Circuit Cookbook Amplifiers.zip_zip_OP AMPLIFIER_嵌入式Linux_嵌入式/单片机/硬件编程下载-pudn.com

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/626ed6207b37011214012baa/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626ed6207b37011214012baa/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">Analog Engineer’s </div><div class="t m0 x2 h3 y2 ff2 fs1 fc0 sc0 ls0 ws0">Circuit Cookbook: Ampliﬁers</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626ed6207b37011214012baa/bg2.jpg"><div class="t m0 x3 h4 y3 ff3 fs2 fc1 sc0 ls0 ws0">Analog Engineer’<span class="_ _0"></span>s Cir<span class="_ _1"></span>cuit Cookbook:</div><div class="t m0 x4 h4 y4 ff3 fs2 fc1 sc0 ls0 ws0">Ampliﬁers</div><div class="t m0 x5 h5 y5 ff3 fs3 fc2 sc0 ls0 ws0">Second Edition </div><div class="t m0 x6 h6 y6 ff4 fs4 fc3 sc0 ls0 ws0">SL<span class="_ _2"></span>YY137 - 03/2019</div><div class="t m0 x7 h7 y7 ff5 fs5 fc3 sc0 ls0 ws0">Edited by:</div><div class="t m0 x8 h7 y8 ff4 fs5 fc3 sc0 ls0 ws0">Tim Green, Pete Semig and Collin W<span class="_ _3"></span>ells</div><div class="t m0 x9 h7 y9 ff5 fs5 fc3 sc0 ls0 ws0">Special thanks for technical contribution:</div><div class="t m0 xa h7 ya ff4 fs5 fc3 sc0 ls0 ws0">Tim Claycomb</div><div class="t m0 xb h7 yb ff4 fs5 fc3 sc0 ls0 ws0">Mamadou Diallo </div><div class="t m0 xc h7 yc ff4 fs5 fc3 sc0 ls0 ws0">Peter Iliya </div><div class="t m0 xd h7 yd ff4 fs5 fc3 sc0 ls0 ws0">Zak Kaye</div><div class="t m0 x7 h7 ye ff4 fs5 fc3 sc0 ls0 ws0">Errol Leon</div><div class="t m0 xe h7 yf ff4 fs5 fc3 sc0 ls0 ws0">Marc Liu</div><div class="t m0 xf h7 y10 ff4 fs5 fc3 sc0 ls0 ws0">Masashi Miyagawa</div><div class="t m0 x6 h7 y11 ff4 fs5 fc3 sc0 ls0 ws0">Gustaf Falk Olson</div><div class="t m0 xd h7 y12 ff4 fs5 fc3 sc0 ls0 ws0">Bala Ravi</div><div class="t m0 x10 h7 y13 ff4 fs5 fc3 sc0 ls0 ws0">T<span class="_ _2"></span>akahir<span class="_ _1"></span>o Saito</div><div class="t m0 x7 h7 y14 ff4 fs5 fc3 sc0 ls0 ws0">Will W<span class="_ _1"></span>ang</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>

<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626ed6207b37011214012baa/bg3.jpg"><div class="t m0 x11 h8 y15 ff6 fs6 fc1 sc0 ls0 ws0">Analog Engineer’<span class="_ _2"></span>s</div><div class="t m0 x12 h8 y16 ff6 fs6 fc1 sc0 ls0 ws0">Cir<span class="_ _1"></span>cuit Cookbook: Ampliﬁers</div><div class="t m0 x13 h6 y17 ff6 fs4 fc2 sc0 ls0 ws0">(Second Edition)</div><div class="t m0 x14 h9 y18 ff7 fs7 fc3 sc0 ls0 ws0">Message from the editors:</div><div class="t m0 x14 ha y19 ff8 fs7 fc3 sc0 ls0 ws0">The <span class="ff9">Analog Engineer’<span class="_ _1"></span>s Circuit Cookbook<span class="ff8">: </span>Ampliﬁers<span class="ff8"> pr<span class="_ _1"></span>ovides ampliﬁer sub-circuit ideas that can be quickly adapted to meet </span></span></div><div class="t m0 x14 ha y1a ff8 fs7 fc3 sc0 ls0 ws0">your speciﬁc system needs. Each circuit is pr<span class="_ _1"></span>esented as a “deﬁnition-by-example.” They include step-by-step instructions, </div><div class="t m0 x14 ha y1b ff8 fs7 fc3 sc0 ls0 ws0">like a recipe, with formulas enabling you to adapt the cir<span class="_ _1"></span>cuit to meet your design goals. Additionally<span class="_ _3"></span>, all circuits ar<span class="_ _1"></span>e veriﬁed </div><div class="t m0 x14 ha y1c ff8 fs7 fc3 sc0 ls0 ws0">with SPICE simulations. </div><div class="t m0 x14 ha y1d ff8 fs7 fc3 sc0 ls0 ws0">We’ve pr<span class="_ _1"></span>ovided at least one recommended ampliﬁer for each cir<span class="_ _1"></span>cuit, but you can swap it with another device if you’ve found </div><div class="t m0 x14 h9 y1e ff8 fs7 fc3 sc0 ls0 ws0">one that’<span class="_ _2"></span>s a better ﬁt for your design. Y<span class="_ _3"></span>ou can search our large portfolio of ampliﬁers at <span class="ff7 fc4">ti.com/ampliﬁers</span>. </div><div class="t m0 x14 ha y1f ff8 fs7 fc3 sc0 ls0 ws0">Our circuits r<span class="_ _1"></span>equire a basic understanding of ampliﬁer concepts. If you’r<span class="_ _1"></span>e new to ampliﬁer design, we highly recommend </div><div class="t m0 x14 ha y20 ff8 fs7 fc3 sc0 ls0 ws0">completing our TI Precision Labs (TIPL) training series. TIPL includes courses on intr<span class="_ _1"></span>oductory topics, such as device </div><div class="t m0 x14 ha y21 ff8 fs7 fc3 sc0 ls0 ws0">architectur<span class="_ _1"></span>e, as well as advanced, application-speciﬁc problem-solving, using both theory and practical knowledge. </div><div class="t m0 x14 ha y22 ff8 fs7 fc3 sc0 ls0 ws0">Check out our curriculum for operational ampliﬁers (op amps), analog-to-digital converters (ADCs) and more at: </div><div class="t m0 x14 h9 y23 ff7 fs7 fc4 sc0 ls0 ws0">ti.com/precisionlabs<span class="ff8 fc3">. </span></div><div class="t m0 x14 ha y24 ff8 fs7 fc3 sc0 ls0 ws0">We hope you ﬁnd this collection of ampliﬁer cir<span class="_ _1"></span>cuits helpful in developing your designs. Our goal is to regularly update </div><div class="t m0 x14 ha y25 ff8 fs7 fc3 sc0 ls0 ws0">the cookbook with valuable ampliﬁer circuit building blocks. Y<span class="_ _2"></span>ou can check to see if your version is the latest at </div><div class="t m0 x14 h9 y26 ff7 fs7 fc4 sc0 ls0 ws0">ti.com/circuitcookbooks<span class="ff8 fc3">. If you have input on any of the existing cir<span class="_ _1"></span>cuits or would like to request additional ampliﬁer </span></div><div class="t m0 x14 h9 y27 ff8 fs7 fc3 sc0 ls0 ws0">cookbook circuits for the next edition please contact us at: <span class="ff7 fc4">opampcookbook@list.ti.com</span>. </div><div class="t m0 x14 h9 y28 ff6 fs7 fc0 sc0 ls0 ws0">Additional resour<span class="_ _1"></span>ces to explore </div><div class="t m0 x14 ha y29 ff8 fs7 fc3 sc0 ls0 ws0"> </div><div class="t m0 x14 hb y2a ff7 fs8 fc3 sc0 ls0 ws0">TI Precision Labs</div><div class="t m0 x14 hb y2b ff7 fs8 fc4 sc0 ls0 ws0">ti.com/precisionlabs</div><div class="t m0 x14 hc y2c ff8 fs8 fc3 sc0 ls0 ws0">• On-demand courses and tutorials ranging from intr<span class="_ _1"></span>oductory to </div><div class="t m0 x15 hc y2d ff8 fs8 fc3 sc0 ls0 ws0">advanced concepts that focus on application-speciﬁc problem solving</div><div class="t m0 x14 hc y2e ff8 fs8 fc3 sc0 ls0 ws0">• Hands-on labs and evaluation modules (EVM) available</div><div class="t m0 x14 hb y2f ff8 fs8 fc3 sc0 ls0 ws0"> - TIPL Op Amps experimentation platform, <span class="ff7 fc4">ti.com/TIPL-amp-evm</span></div><div class="t m0 x14 hb y30 ff8 fs8 fc3 sc0 ls0 ws0"> - TIPL SAR ADC experimentation platform, <span class="ff7 fc4">ti.com/TIPL-Data </span></div><div class="t m0 x15 hb y31 ff7 fs8 fc4 sc0 ls0 ws0">Converters-evm</div><div class="t m0 x14 hb y32 ff7 fs8 fc3 sc0 ls0 ws0">Analog Engineer’<span class="_ _1"></span>s Pocket Refer<span class="_ _1"></span>ence</div><div class="t m0 x14 hb y33 ff7 fs8 fc4 sc0 ls0 ws0">ti.com/analogrefguide</div><div class="t m0 x14 hc y34 ff8 fs8 fc3 sc0 ls0 ws0">• PCB, analog and mixed-signal design formulae; includes conversions, </div><div class="t m0 x15 hc y35 ff8 fs8 fc3 sc0 ls0 ws0">tables and equations</div><div class="t m0 x14 hc y36 ff8 fs8 fc3 sc0 ls0 ws0">• e-book, iT<span class="_ _3"></span>unes and Android apps and hardcopy available</div><div class="t m0 x14 hb y37 ffa fs8 fc3 sc0 ls0 ws0">The Signal<span class="ff7"> e-book</span></div><div class="t m0 x14 hb y38 ff7 fs8 fc4 sc0 ls0 ws0">ti.com/signalbook</div><div class="t m0 x14 hc y39 ff8 fs8 fc3 sc0 ls0 ws0">• Op amp e-book with short, bite-sized lessons on design topics </div><div class="t m0 x15 hc y3a ff8 fs8 fc3 sc0 ls0 ws0">such as offset voltage, input bias curr<span class="_ _1"></span>ent, stability<span class="_ _1"></span>, noise and mor<span class="_ _1"></span>e</div><div class="t m0 x14 hb y3b ff7 fs8 fc3 sc0 ls0 ws0">TI Designs</div><div class="t m0 x14 hb y3c ff7 fs8 fc4 sc0 ls0 ws0">ti.com/tidesigns</div><div class="t m0 x14 hc y3d ff8 fs8 fc3 sc0 ls0 ws0">• Ready-to-use refer<span class="_ _1"></span>ence designs with theory<span class="_ _1"></span>, calculations, </div><div class="t m0 x15 hc y3e ff8 fs8 fc3 sc0 ls0 ws0">simulations schematics, PCB ﬁles and bench test results</div><div class="t m0 x14 hb y3f ff7 fs8 fc3 sc0 ls0 ws0">TINA-TI</div><div class="t m0 x16 hd y40 ff7 fs9 fc3 sc0 ls0 ws0">™</div><div class="t m0 x17 hb y3f ff7 fs8 fc3 sc0 ls0 ws0"> Simulation Software</div><div class="t m0 x14 hb y41 ff7 fs8 fc4 sc0 ls0 ws0">ti.com/tool/tina-ti</div><div class="t m0 x14 hc y42 ff8 fs8 fc3 sc0 ls0 ws0">• Complete SPICE simulator for DC, AC, transient and noise analysis </div><div class="t m0 x14 hc y43 ff8 fs8 fc3 sc0 ls0 ws0">• Includes schematic entry and post-processor for waveform math</div><div class="t m0 x14 hb y44 ff7 fs8 fc3 sc0 ls0 ws0">Analog Engineer’<span class="_ _1"></span>s Calculator</div><div class="t m0 x14 hb y45 ff7 fs8 fc4 sc0 ls0 ws0">ti.com/analogcalc</div><div class="t m0 x14 hc y46 ff8 fs8 fc3 sc0 ls0 ws0">• ADC and ampliﬁer design tools, noise and stability analysis, </div><div class="t m0 x15 hc y47 ff8 fs8 fc3 sc0 ls0 ws0">PCB and sensor tools</div><div class="t m0 x18 hb y48 ff7 fs8 fc3 sc0 ls0 ws0">Analog Wire Blog</div><div class="t m0 x18 hb y49 ff7 fs8 fc4 sc0 ls0 ws0">ti.com/analogwire</div><div class="t m0 x18 hc y4a ff8 fs8 fc3 sc0 ls1 ws0">• T<span class="_ _3"></span>echnical blogs written by analog experts that include tips, tricks <span class="ls0"> </span></div><div class="t m0 x19 hc y4b ff8 fs8 fc3 sc0 ls1 ws0">and design techniques</div><div class="t m0 x18 hb y4c ff7 fs8 fc3 sc0 ls0 ws0">TI E2E</div><div class="t m0 x1a hd y4d ff7 fs9 fc3 sc0 ls0 ws0">™</div><div class="t m0 x1b hb y4c ff7 fs8 fc3 sc0 ls0 ws0"> Community</div><div class="t m0 x18 hb y4e ff7 fs8 fc4 sc0 ls0 ws0">ti.com/e2e</div><div class="t m0 x18 hc y4f ff8 fs8 fc3 sc0 ls0 ws0">• Support forums for all TI products</div><div class="t m0 x18 hb y50 ff7 fs8 fc3 sc0 ls0 ws0">Op Amp Circuit Quick Sear<span class="_ _1"></span>ch and Parametric Search</div><div class="t m0 x18 hb y51 ff7 fs8 fc4 sc0 ls0 ws0">ti.com/opamp-search</div><div class="t m0 x18 hc y52 ff8 fs8 fc3 sc0 ls0 ws0">• Search our operational ampliﬁer portfolio by entering key parameters or by </div><div class="t m0 x19 hc y53 ff8 fs8 fc3 sc0 ls0 ws0">selecting a circuit function </div><div class="t m0 x18 hb y54 ff7 fs8 fc3 sc0 ls0 ws0">Op Amp Parametric Cross-Refer<span class="_ _1"></span>ence</div><div class="t m0 x18 hb y55 ff7 fs8 fc4 sc0 ls0 ws0">ti.com/opampcrossr<span class="_ _1"></span>eference</div><div class="t m0 x18 hc y56 ff8 fs8 fc3 sc0 ls0 ws0">• Find similar TI Ampliﬁers using competitive part numbers</div><div class="t m0 x18 hb y57 ff7 fs8 fc3 sc0 ls0 ws0">DIY Ampliﬁer Circuit Evaluation Module (DIY<span class="_ _3"></span>AMP-EVM)</div><div class="t m0 x18 hb y58 ff7 fs8 fc4 sc0 ls0 ws0">ti.com/DIY<span class="_ _1"></span>AMP-EVM</div><div class="t m0 x18 hc y59 ff8 fs8 fc3 sc0 ls0 ws1">• Single-channel circuit evaluation module pr<span class="_ _1"></span>oviding SC70, SOT23 and SOIC </div><div class="t m0 x19 hc y5a ff8 fs8 fc3 sc0 ls0 ws0">package options in 12 popular ampliﬁer conﬁgurations</div><div class="t m0 x18 hb y5b ff7 fs8 fc3 sc0 ls0 ws0">Dual-Channel DIY Ampliﬁer Circuit Evaluation Module </div><div class="t m0 x18 hb y5c ff7 fs8 fc3 sc0 ls0 ws0">(DUAL-DIY<span class="_ _1"></span>AMP-EVM) </div><div class="t m0 x18 hb y5d ff7 fs8 fc4 sc0 ls0 ws0">ti.com/dual-diyamp-evm</div><div class="t m0 x18 hc y5e ff8 fs8 fc3 sc0 ls0 ws0">• Dual-channel circuit evaluation module in an SOIC-8 package with 10 </div><div class="t m0 x19 hc y5f ff8 fs8 fc3 sc0 ls0 ws0">popular ampliﬁer conﬁgurations</div><div class="t m0 x14 he y60 ffb fsa fc3 sc0 ls0 ws0">The platform bar is a trademark of T<span class="_ _3"></span>exas Instruments. © 2019 T<span class="_ _3"></span>exas Instruments Incorporated. </div><div class="t m0 x1c hf y61 ffc fsb fc0 sc0 ls0 ws0">Analog Engineer’s </div><div class="t m0 x1d h10 y62 ffd fsc fc0 sc0 ls0 ws0">Circuit Cookbook: Data Converters</div><div class="t m1 x1e h11 y63 ffe fsd fc0 sc0 ls0 ws0">IN</div><div class="t m0 x1f h11 y64 ffe fsd fc0 sc0 ls0 ws0">VREF</div><div class="t m0 x1f h11 y65 ffe fsd fc0 sc0 ls0 ws0">GND</div><div class="t m2 x20 h12 y66 ffe fse fc0 sc0 ls0 ws0"><span class="fc5 sc0">V</span></div><div class="t m3 x20 h13 y67 ffe fsf fc0 sc0 ls0 ws0"><span class="fc5 sc0">DAC</span></div><div class="t m2 x21 h12 y68 ffe fse fc0 sc0 ls0 ws0"><span class="fc5 sc0">DAC</span></div><div class="t m4 x22 h14 y69 ffe fs10 fc0 sc0 ls0 ws0"><span class="fc5 sc0">V</span><span class="fc5 sc0">i</span><span class="fc5 sc0">n</span></div><div class="t m4 x23 h14 y6a ffe fs10 fc0 sc0 ls0 ws0"><span class="fc5 sc0">5</span><span class="fc5 sc0">.</span><span class="fc5 sc0">0</span><span class="fc5 sc0">V</span><span class="_ _4"> </span><span class="fc5 sc0">3.</span><span class="fc5 sc0">0</span><span class="fc5 sc0">V</span></div><div class="t m4 x23 h14 y6b ffe fs10 fc0 sc0 ls0 ws0"><span class="fc5 sc0">A</span><span class="fc5 sc0">V</span><span class="fc5 sc0">DD</span><span class="fc5 sc0">DV</span><span class="fc5 sc0">DD</span></div><div class="t m4 x24 h14 y6c ffe fs10 fc0 sc0 ls0 ws0"><span class="fc5 sc0">GND</span></div><div class="c x25 y6d w2 h15"><div class="t m5 x26 h16 y6e fff fs11 fc0 sc0 ls0 ws0">Analog Engineer’s </div><div class="t m6 x27 h17 y6f ff10 fs12 fc0 sc0 ls0 ws0">Circuit Cookbook: Ampliﬁers</div></div><div class="t m7 x28 h18 y70 ff6 fs13 fc4 sc0 ls0 ws0">W<span class="_ _1"></span>ant more cir<span class="_ _1"></span>cuits?</div><div class="t m8 x28 h19 y71 ff6 fs14 fc3 sc0 ls2 ws0">• Download the <span class="ff11">Analog Engineer’s <span class="ls0"> </span></span></div><div class="t m8 x1a h19 y72 ff11 fs14 fc3 sc0 ls2 ws0">Circuit Cookbook<span class="ff6"> for data converters </span></div><div class="t m8 x28 h19 y73 ff6 fs14 fc3 sc0 ls2 ws0">• Browse a complete list of ampliﬁer <span class="ls0"> </span></div><div class="t m8 x1a h19 y74 ff6 fs14 fc3 sc0 ls2 ws0">and data converters circuits</div><div class="t m7 x28 h1a y75 ff7 fs15 fc4 sc0 ls0 ws0">Visit ti.com/circuitcookbooks</div><a class="l" rel='nofollow' onclick='return false;'><div class="d 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<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626ed6207b37011214012baa/bg4.jpg"><div class="t ma x14 h6 y76 ff3 fs4 fc4 sc0 ls0 ws0">Basic Circuits</div><div class="t mb x14 h1b y77 ff4 fs16 fc3 sc0 ls0 ws0">Buffer (follower) circuit <span class="_ _5"></span><span class="ws2">..........................................................................<span class="ff12">..<span class="ff13"> <span class="ff14 ws0">5</span></span></span></span></div><div class="t mb x14 h1b y78 ff4 fs16 fc3 sc0 ls0 ws0">Inverting amplifier circuit <span class="_ _3"></span><span class="ws3">......................................................................<span class="ff12">..<span class="ff15"> <span class="ff14 ws0">9</span></span></span></span></div><div class="t mb x14 h1b y79 ff4 fs16 fc3 sc0 ls0 ws0">Non-inverting amplifier circuit <span class="ws4"> <span class="ws3">..............................................................<span class="ff16"> </span></span></span><span class="ff17">14</span></div><div class="t mb x14 h1b y7a ff4 fs16 fc3 sc0 ls0 ws0">Inverting summer circuit <span class="_ _0"></span><span class="ws2">.......................................................................<span class="ff16"> <span class="ff18 ws0">18</span></span></span></div><div class="t mb x14 h1b y7b ff4 fs16 fc3 sc0 ls0 ws0">Difference amplifier (subtractor) circuit <span class="ws5"> <span class="ws6">................................................<span class="ff16"> </span></span></span><span class="ff19">2<span class="ff1a">3</span></span></div><div class="t mb x14 h1b y7c ff4 fs16 fc3 sc0 ls3 ws0">T<span class="ls0">wo op amp instrumentation amplifier circuit <span class="_ _3"></span><span class="ws6">.......................................<span class="ff16"> <span class="ff19 ws0">2<span class="ff1b">7</span></span></span></span></span></div><div class="t mb x14 h1b y7d ff4 fs16 fc3 sc0 ls0 ws0">Three op amp instrumentation amplifier circuit <span class="ws7"> <span class="ws6">....................................<span class="ff1c"> </span></span></span><span class="ff1d">31</span></div><div class="t mb x14 h1b y7e ff4 fs16 fc3 sc0 ls0 ws0">Integrator circuit <span class="_ _3"></span><span class="ws2">...................................................................................<span class="ff1c"> <span class="ff1e ws0">35</span></span></span></div><div class="t mb x14 h1b y7f ff4 fs16 fc3 sc0 ls0 ws0">Differentiator circuit <span class="_ _3"></span><span class="ws2">..............................................................................<span class="ff1c"> <span class="ff1f ws0">40</span></span></span></div><div class="t ma x14 h6 y80 ff3 fs4 fc4 sc0 ls0 ws0">Current Sensing</div><div class="t mb x14 h1b y81 ff4 fs16 fc3 sc0 ls4 ws0">T<span class="ls0">ransimpedance amplifier circuit <span class="ws8"> <span class="_ _1"></span><span class="ws3">..........................................................<span class="ff1c"> <span class="ff20 ws0">45</span></span></span></span></span></div><div class="t ma x14 h1b y82 ff4 fs16 fc3 sc0 ls0 ws0">Single-supply<span class="_ _3"></span>, low-side, unidirectional current-sensing solution with </div><div class="t mb x14 h1b y83 ff4 fs16 fc3 sc0 ls0 ws0">output swing to GND circuit <span class="_ _0"></span><span class="ws2">.................................................................<span class="ff1c"> <span class="ff21 ws0">49</span></span></span></div><div class="t mb x14 h1b y84 ff4 fs16 fc3 sc0 ls0 ws0">Single-supply, low-side, unidirectional current-sensing circuit <span class="ws9"> <span class="wsa">............<span class="ff1c"> </span></span></span><span class="ff22">53</span></div><div class="t mb x14 h1b y85 ff4 fs16 fc3 sc0 ls0 ws0">Low-side, bidirectional current sensing circuit <span class="wsb"> <span class="ws6">.....................................<span class="ff1c"> <span class="_ _1"></span><span class="ff23 ws0">57</span></span></span></span></div><div class="t mb x14 h1b y86 ff4 fs16 fc3 sc0 ls5 ws0">High-side, b<span class="_ _1"></span>idirectional curren<span class="_ _1"></span>t-sensing circuit w<span class="_ _1"></span>ith transient pr<span class="wsc">ote<span class="_ _1"></span>ction <span class="ls0 wsd"> <span class="wse">..<span class="ff1c"> <span class="ff24 ws0">63</span></span></span></span></span></div><div class="t mb x14 h1b y87 ff4 fs16 fc3 sc0 ls0 ws0">High-side current-sensing circuit design <span class="wsf"> <span class="ws3">.............................................<span class="ff1c"> </span></span></span><span class="ff25">68</span></div><div class="t ma x14 h1b y88 ff4 fs16 fc3 sc0 ls0 ws0">3-</div><div class="t mb x29 h1b y89 ff4 fs16 fc3 sc0 ls0 ws0">decade, load-current sensing circuit <span class="ws10"> <span class="ws3">................................................<span class="ff26"> </span></span></span><span class="ff27">7<span class="ff19">2</span></span></div><div class="t ma x14 h1b y8a ff4 fs16 fc3 sc0 ls0 ws0">High-voltage, high-side oating current sensing cir<span class="_ _1"></span>cuit using current </div><div class="t mb x14 h1b y8b ff4 fs16 fc3 sc0 ls0 ws0">output, current sense amplifier <span class="_ _5"></span><span class="ws2">.............................................................<span class="ff26"> <span class="ff28 ws0">76</span></span></span></div><div class="t ma x14 h1b y8c ff4 fs16 fc3 sc0 ls0 ws0">Low-drift, low-side, bidirectional curr<span class="_ _1"></span>ent-sensing circuit with integrated </div><div class="t mb x14 h1b y8d ff4 fs16 fc3 sc0 ls0 ws0">precision gain resistors <span class="wsf">.........................................................................<span class="ff29"> </span></span><span class="ff2a">81</span></div><div class="t mb x14 h1b y8e ff4 fs16 fc3 sc0 ls0 ws0">Overcurrent event detection circuit <span class="ws11"> <span class="ws3">......................................................<span class="ff2b"> </span></span></span><span class="ff2c">86</span></div><div class="t ma x14 h6 y8f ff3 fs4 fc4 sc0 ls0 ws0">Signal Sources</div><div class="t mb x14 h1b y90 ff4 fs16 fc3 sc0 ls0 ws0">PWM generator circuit <span class="ws12"> <span class="ws2">..........................................................................<span class="ff2b"> <span class="_ _1"></span><span class="ff2d ws0">90</span></span></span></span></div><div class="t mb x14 h1b y91 ff4 fs16 fc3 sc0 ls0 ws0">Adjustable reference voltage circuit <span class="ws13"> <span class="ws3">.....................................................<span class="ff2e"> </span></span></span><span class="ff2f">94</span></div><div class="t ma x14 h6 y92 ff3 fs4 fc4 sc0 ls0 ws0">Current Sour<span class="_ _1"></span>ces</div><div class="t mb x14 h1b y93 ff4 fs16 fc3 sc0 ls0 ws0">Low-level voltage-to-current converter circuit <span class="ws14"> <span class="ws6">....................................<span class="ff2e"> </span></span></span><span class="ff30">97</span></div><div class="t ma x14 h6 y94 ff3 fs4 fc4 sc0 ls0 ws0">Filters</div><div class="t mb x14 h1b y95 ff4 fs16 fc3 sc0 ls0 ws0">AC coupled (HPF) inverting amplifier circuit <span class="ws15"> <span class="_ _1"></span><span class="ws6">.........................................<span class="ff31 ws0">101</span></span></span></div><div class="t mb x14 h1b y96 ff4 fs16 fc3 sc0 ls0 ws0">AC coupled (HPF) non-inverting amplifier circuit <span class="ws16"> <span class="ws6">.................................</span></span><span class="ff32">105</span></div><div class="t mb x14 h1b y97 ff4 fs16 fc3 sc0 ls0 ws0">Band pass filtered inverting attenuator circuit <span class="wsf">......................................</span><span class="ff33">109</span></div><div class="t mb x14 h1b y98 ff4 fs16 fc3 sc0 ls0 ws0">Fast-settling low-pass filter circuit <span class="ws17"> <span class="ws3">.......................................................</span></span><span class="ff34">113</span></div><div class="t mb x14 h1b y99 ff4 fs16 fc3 sc0 ls0 ws0">Low-pass filtered, inverting amplifier circuit <span class="ws15"> <span class="_ _1"></span><span class="ws6">.........................................<span class="ff35 ws0">117</span></span></span></div><div class="t ma x14 h6 y9a ff3 fs4 fc4 sc0 ls0 ws0">Non-Linear Circuits (Rectiﬁers/Clamps/Peak Detectors)</div><div class="t mb x14 h1b y9b ff4 fs16 fc3 sc0 ls0 ws0">Half-wave rectifier circuit <span class="ws18"> <span class="ws3">......................................................................<span class="ff2e"> <span class="ff36">1</span></span></span></span><span class="ff19">22</span></div><div class="t mb x14 h1b y9c ff4 fs16 fc3 sc0 ls0 ws0">Full-wave rectifier circuit <span class="ws2">......................................................................<span class="ff2e"> <span class="_ _1"></span><span class="ff37 ws0">126</span></span></span></div><div class="t mb x14 h1b y9d ff4 fs16 fc3 sc0 ls0 ws0">Single-supply, low-input voltage, full-wave rectifier circuit <span class="ws19"> <span class="ws1a">..................<span class="ff2e"> </span></span></span><span class="ff38">130</span></div><div class="t mb x2a h1b y9e ff4 fs16 fc3 sc0 ls0 ws0">Slew rate limiter circuit <span class="_ _2"></span><span class="ws3">.........................................................................<span class="ff39">.<span class="ff3a ws0">134</span></span></span></div><div class="t ma x18 h6 y76 ff3 fs4 fc4 sc0 ls0 ws0">Signal Conditioning</div><div class="t mb x18 h1b y9f ff4 fs16 fc3 sc0 ls0 ws0">Single-ended input to differential output circuit <span class="ws1b"> <span class="ws6">...................................</span></span><span class="ff3b">138</span></div><div class="t mb x18 h1b ya0 ff4 fs16 fc3 sc0 ls0 ws0">Inverting op amp with inverting positive reference voltage circuit <span class="_ _2"></span><span class="ws1a">........<span class="ff3c ws0">14<span class="ff19">2</span></span></span></div><div class="t mb x18 h1b ya1 ff4 fs16 fc3 sc0 ls6 ws0">Non-inverting<span class="ws1c"> </span>op<span class="ws1c"> </span>amp<span class="ws1c"> </span>with<span class="ws1c"> </span>i<span class="_ _1"></span>nverting<span class="ws1c"> </span>positive<span class="ws1d"> </span>reference<span class="ws1c"> </span>voltage<span class="ws1d"> </span>circuit<span class="ls0 ws1e"> <span class="_ _1"></span><span class="ws1a">...<span class="ff3d ws0">146</span></span></span></div><div class="t ma x18 h1b ya2 ff4 fs16 fc3 sc0 ls0 ws0">Non-inverting op amp with non-inverting positive refer<span class="_ _1"></span>ence voltage </div><div class="t mb x18 h1b ya3 ff4 fs16 fc3 sc0 ls0 ws0">circuit <span class="_ _0"></span><span class="wsf">....................................................................................................<span class="ff3e ws0">150</span><span class="ws1f"> </span></span></div><div class="t mb x18 h1b ya4 ff4 fs16 fc3 sc0 ls0 ws0">Inverting op amp with non-inverting positive reference voltage circuit <span class="_ _5"></span><span class="ws1a">.<span class="ff3f ws0">154</span></span></div><div class="t mb x18 h1b ya5 ff4 fs16 fc3 sc0 ls0 ws0">Single-supply diff-in to diff-out AC amplifier circuit <span class="ws20"> <span class="wsa">.............................</span></span><span class="ff40">158</span></div><div class="t mb x18 h1b ya6 ff4 fs16 fc3 sc0 ls0 ws0">Inverting dual-supply to single-supply amplifier circuit <span class="ws21"> <span class="_ _1"></span><span class="wsa">........................<span class="ff41 ws0">16<span class="ff19">2</span></span></span></span></div><div class="t mb x18 h1b ya7 ff4 fs16 fc3 sc0 ls0 ws0">Dual-supply, discrete, programmable gain amplifier circuit <span class="ws22"> <span class="wsa">.................</span></span><span class="ff42">167</span></div><div class="t mb x18 h1b ya8 ff4 fs16 fc3 sc0 ls0 ws0">AC coupled instrumentation amplifier circuit <span class="ws23"> <span class="ws6">.......................................</span></span><span class="ff43">171</span></div><div class="t mb x18 h1b ya9 ff4 fs16 fc3 sc0 ls0 ws0">Discrete wide bandwidth INA circuit <span class="_ _2"></span><span class="ws3">....................................................<span class="ff44 ws0">175</span></span></div><div class="t mb x18 h1b yaa ff4 fs16 fc3 sc0 ls0 ws0">Low-noise and long-range PIR sensor conditioner circuit <span class="ws24"> <span class="ws6">...................</span></span><span class="ff45">179</span></div><div class="t mb x18 h1b yab ff4 fs16 fc3 sc0 ls3 ws0">T<span class="ls0">emperature sensing with NTC circuit <span class="_ _1"></span><span class="ws3">.................................................<span class="ff46 ws0">183</span></span></span></div><div class="t mb x18 h1b yac ff4 fs16 fc3 sc0 ls3 ws0">T<span class="ls0">emperature sensing with PTC circuit <span class="ws25"> <span class="_ _1"></span><span class="ws3">..................................................<span class="ff47 ws0">187</span></span></span></span></div><div class="t ma x18 h1b yad ff4 fs16 fc3 sc0 ls0 ws0">Differ<span class="_ _1"></span>ential input to differential output cir<span class="_ _1"></span>cuit using a fully -differ<span class="_ _1"></span>ential </div><div class="t mb x18 h1b yae ff4 fs16 fc3 sc0 ls0 ws0">amplifier <span class="_ _0"></span><span class="ws2">................................................................................................<span class="ff48 ws0">191</span></span></div><div class="t ma x18 h1b yaf ff4 fs16 fc3 sc0 ls0 ws0">Single-ended input to differ<span class="_ _1"></span>ential output circuit using a fully-differ<span class="_ _1"></span>ential </div><div class="t mb x18 h1b yb0 ff4 fs16 fc3 sc0 ls0 ws0">amplifier <span class="_ _0"></span><span class="ws2">................................................................................................<span class="ff49 ws0">197</span></span></div><div class="t ma x18 h6 yb1 ff3 fs4 fc4 sc0 ls0 ws0">Comparators</div><div class="t mb x18 h1b yb2 ff4 fs16 fc3 sc0 ls0 ws0">Signal and clock restoration circuit <span class="ws26"> <span class="ws3">......................................................<span class="ff4a"> </span></span></span><span class="ff19">2<span class="ff4b">0<span class="ff49">1</span></span></span></div><div class="t mb x18 h1b yb3 ff4 fs16 fc3 sc0 ls0 ws0">Comparator with and without hysteresis circuit <span class="ws27"> <span class="ws6">...................................<span class="ff4a"> </span></span></span><span class="ff19">2<span class="ff49">05</span></span></div><div class="t mb x18 h1b yb4 ff4 fs16 fc3 sc0 ls0 ws0">High-side current sensing with comparator circuit <span class="ws28"> <span class="ws6">..............................<span class="ff4c"> </span></span></span><span class="ff19">2<span class="ff4d">09</span></span></div><div class="t mb x18 h1b yb5 ff4 fs16 fc3 sc0 ls0 ws0">High-speed overcurrent detection circuit <span class="ws18"> <span class="ws6">............................................<span class="ff4c"> </span></span></span><span class="ff19">2<span class="ff4e">14</span></span></div><div class="t mb x18 h1b yb6 ff4 fs16 fc3 sc0 ls0 ws0">Inverting comparator with hysteresis circuit <span class="wsf">.........................................<span class="ff4c"> </span></span><span class="ff19">2<span class="ff4f">19</span></span></div><div class="t mb x18 h1b yb7 ff4 fs16 fc3 sc0 ls0 ws0">Low-power<span class="_ _3"></span>, bidirectional current sensing circuit <span class="ws29"> <span class="ws6">..................................<span class="ff4c"> </span></span></span><span class="ff19">22<span class="ff50">4</span></span></div><div class="t mb x18 h1b yb8 ff4 fs16 fc3 sc0 ls0 ws0">Non-inverting comparator with hysteresis circuit <span class="ws29"> <span class="ws6">.................................<span class="ff4c"> <span class="_ _1"></span><span class="ff19 ws0">22<span class="ff51">9</span></span></span></span></span></div><div class="t mb x18 h1b yb9 ff4 fs16 fc3 sc0 ls0 ws0">Overvoltage protection with comparator circuit <span class="ws27"> <span class="ws6">...................................<span class="ff4c"> </span></span></span><span class="ff19">2<span class="ff52">34</span></span></div><div class="t mb x18 h1b yba ff4 fs16 fc3 sc0 ls0 ws0">Window comparator with integrated reference circuit <span class="ws2a"> <span class="ws6">.........................<span class="ff4c"> </span></span></span><span class="ff19">2<span class="ff53">38</span></span></div><div class="t mb x18 h1b ybb ff4 fs16 fc3 sc0 ls0 ws0">Relaxation oscillator circuit <span class="ff54"> </span><span class="ws2b"> <span class="ws3">................................................................</span></span><span class="ff12">.<span class="ff54 ws3"> </span></span>2<span class="ff55">4<span class="ff19">2</span></span></div><div class="t mb x18 h1b ybc ff56 fs16 fc3 sc0 ls0 ws0">Thermal switch circuit <span class="_ _1"></span><span class="ws2">........................................................................<span class="ff12 ws3">. </span><span class="ws0">2<span class="ff57">46</span></span></span></div><div class="t mb x18 h1b ybd ff56 fs16 fc3 sc0 ls0 ws0">Undervoltage protection with comparator circuit <span class="ws29"> <span class="ws6">...............................<span class="ff12">.<span class="ff58"> <span class="_ _1"></span><span class="ff59"> <span class="ff56 ws0">2<span class="ff5a">50</span></span></span></span></span></span></span></div><div class="t mb x18 h1b ybe ff56 fs16 fc3 sc0 ls0 ws0">Window comparator circuit <span class="_ _2"></span><span class="ws3">................................................................<span class="ff12">.<span class="ff58"> <span class="ff59"> </span></span></span><span class="ws0">2<span class="ff5b">54</span></span></span></div><div class="t mb x18 h1b ybf ff56 fs16 fc3 sc0 ls0 ws0">Zero crossing detection using comparator circuit...............................<span class="ff12 wsf">. </span>2<span class="ff5c">57</span></div><div class="t ma x18 h6 yc0 ff3 fs4 fc4 sc0 ls0 ws0">Sensor Acquisition</div><div class="t mb x18 h1b yc1 ff56 fs16 fc3 sc0 ls0 ws0">Single-supply strain gauge bridge amplifier circuit <span class="_ _2"></span><span class="ws6">.............................<span class="ff12">..<span class="ff58"> </span></span><span class="ws0">2<span class="ff5d">61</span></span></span></div><div class="t mb x18 h1b yc2 ff56 fs16 fc3 sc0 ls0 ws0">Photodiode amplifier circuit <span class="ws2c"> <span class="ws3">...............................................................<span class="ff12">.. </span></span></span>2<span class="ff5e">65</span></div><div class="t ma x18 h6 yc3 ff3 fs4 fc4 sc0 ls0 ws0">Audio</div><div class="t mb x18 h1b yc4 ff56 fs16 fc3 sc0 ls0 ws0">Non-inverting microphone pre-amplifier circuit <span class="_ _5"></span><span class="ws6">...................................<span class="ff12">..<span class="ff58"> </span></span><span class="ws0">2<span class="ff5f">6<span class="ff60">9</span></span></span></span></div><div class="t mb x18 h1b yc5 ff56 fs16 fc3 sc0 ls0 ws0">TIA microphone amplifier circuit <span class="ws2d"> <span class="ws3">.........................................................<span class="ff12">..<span class="ff58"> <span class="_ _1"></span><span class="ff56 ws0">2<span class="ff61">74</span></span></span></span></span></span></div><div class="t m7 x2b h5 yc6 ff3 fs3 fc1 sc0 ls0 ws0">T<span class="_ _0"></span>able of Contents</div><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a><a class="l" rel='nofollow' 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<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/626ed6207b37011214012baa/bg5.jpg"><div class="c x2c yc7 w3 h1c"><div class="t m0 x2d h1d yc8 ff62 fs17 fc6 sc0 ls0 ws0">-</div><div class="t m0 x2d h1d yc9 ff62 fs17 fc6 sc0 ls0 ws0">+</div><div class="t m0 x2e h1d yca ff62 fs17 fc6 sc0 ls0 ws0">+</div><div class="t m0 x17 h1e ycb ff63 fs17 fc6 sc0 ls0 ws0">U1 LM7332</div><div class="t m0 x2f h1e ycc ff63 fs17 fc6 sc0 ls0 ws0">Vcc 15</div><div class="t m0 x16 h1e ycd ff63 fs17 fc6 sc0 ls0 ws0">Vee 15</div><div class="t mc x30 h1e yce ff63 fs17 fc6 sc0 ls0 ws0">+</div><div class="t m0 x0 h1e ycf ff63 fs17 fc6 sc0 ls0 ws0">Vi</div><div class="t m0 x31 h1e yd0 ff63 fs17 fc6 sc0 ls0 ws0">Vo</div></div><div class="t m0 x2e h1f yd1 ff64 fs8 fc6 sc0 ls0 ws0">SBOA269A<span class="_ _4"></span>–<span class="_ _6"></span>February<span class="_ _7"> </span>2018<span class="_ _4"></span>–<span class="_ _6"></span>Revised<span class="_ _7"> </span>January<span class="_ _7"> </span>2019</div><div class="t m0 x2e h20 yd2 ff2c fs8 fc7 sc0 ls0 ws0">Submit<span class="_ _7"> </span>Documentation<span class="_ _7"> </span>Feedback</div><div class="t m0 x32 h21 yd3 ff64 fsa fc6 sc0 ls0 ws0">Copyright<span class="_ _8"> </span>©<span class="_ _8"> </span>2018–2019,<span class="_ _8"> </span>Texas<span class="_ _8"> </span>Instruments<span class="_ _8"> </span>Incorporated</div><div class="t m0 x33 h20 yd1 ff2c fs8 fc6 sc0 ls0 ws0">Buffer<span class="_ _7"> </span>(follower)<span class="_ _7"> </span>circuit</div><div class="t m0 x34 h22 yd4 ff2c fs6 fc6 sc0 ls0 ws0">Analog<span class="_ _9"> </span>Engineer's<span class="_ _9"> </span>Circuit:<span class="_ _9"> </span>Amplifiers</div><div class="t m0 x35 h23 yd5 ff2c fs16 fc6 sc0 ls0 ws0">SBOA269A<span class="_ _6"></span>–<span class="_ _4"></span>February<span class="_ _a"> </span>2018<span class="_ _6"></span>–<span class="_ _4"></span>Revised<span class="_ _a"> </span>January<span class="_ _a"> </span>2019</div><div class="t m0 x36 h24 yd6 ff65 fs3 fc6 sc0 ls0 ws0">Buffer<span class="_ _b"> </span>(follower)<span class="_ _b"> </span>circuit</div><div class="t m0 x37 h25 yd7 ff66 fs7 fc6 sc0 ls0 ws0">Design<span class="_ _a"> </span>Goals</div><div class="t m0 x38 h26 yd8 ff66 fs8 fc6 sc0 ls0 ws0">Input<span class="_ _c"> </span>Output<span class="_ _d"> </span>Freq.<span class="_ _d"> </span>Supply</div><div class="t m0 x39 h1f yd9 ff64 fs8 fc6 sc0 ls0 ws0">V</div><div class="t m0 x3a h27 yda ff64 fs18 fc6 sc0 ls0 ws0">iMin</div><div class="t m0 x3b h1f yd9 ff64 fs8 fc6 sc0 ls0 ws0">V</div><div class="t m0 x3c h27 yda ff64 fs18 fc6 sc0 ls0 ws0">iMax</div><div class="t m0 x3d h1f yd9 ff64 fs8 fc6 sc0 ls0 ws0">V</div><div class="t m0 x3e h27 yda ff64 fs18 fc6 sc0 ls0 ws0">oMin</div><div class="t m0 x18 h1f yd9 ff64 fs8 fc6 sc0 ls0 ws0">V</div><div class="t m0 x3f h27 yda ff64 fs18 fc6 sc0 ls0 ws0">oMax</div><div class="t m0 x40 h1f yd9 ff64 fs8 fc6 sc0 ls0 ws0">f<span class="_ _e"> </span>V</div><div class="t m0 x41 h27 yda ff64 fs18 fc6 sc0 ls0 ws0">cc</div><div class="t m0 x42 h1f yd9 ff64 fs8 fc6 sc0 ls0 ws0">V</div><div class="t m0 x43 h27 yda ff64 fs18 fc6 sc0 ls0 ws0">ee</div><div class="t m0 x44 h1f ydb ff64 fs8 fc6 sc0 ls0 ws0">–10V<span class="_ _f"> </span>10V<span class="_ _f"> </span>–10V<span class="_ _f"> </span>10V<span class="_ _10"> </span>100kHz<span class="_ _10"> </span>15V<span class="_ _f"> </span>–15V</div><div class="t m0 x37 h25 ydc ff66 fs7 fc6 sc0 ls0 ws0">Design<span class="_ _a"> </span>Description</div><div class="t m0 x37 h28 ydd ff64 fs7 fc6 sc0 ls0 ws0">This<span class="_ _a"> </span>design<span class="_ _a"> </span>is<span class="_ _11"> </span>used<span class="_ _a"> </span>to<span class="_ _a"> </span>buffer<span class="_ _11"> </span>signals<span class="_ _a"> </span>by<span class="_ _a"> </span>presenting<span class="_ _11"> </span>a<span class="_ _a"> </span>high<span class="_ _a"> </span>input<span class="_ _11"> </span>impedance<span class="_ _a"> </span>and<span class="_ _a"> </span>a<span class="_ _11"> </span>low<span class="_ _a"> </span>output<span class="_ _a"> </span>impedance.</div><div class="t m0 x37 h28 yde ff64 fs7 fc6 sc0 ls0 ws0">This<span class="_ _a"> </span>circuit<span class="_ _a"> </span>is<span class="_ _11"> </span>commonly<span class="_ _a"> </span>used<span class="_ _a"> </span>to<span class="_ _11"> </span>drive<span class="_ _a"> </span>low-impedance<span class="_ _a"> </span>loads,<span class="_ _11"> </span>analog-to-digital<span class="_ _a"> </span>converters<span class="_ _a"> </span>(ADC)<span class="_ _11"> </span>and<span class="_ _a"> </span>buffer</div><div class="t m0 x37 h28 ydf ff64 fs7 fc6 sc0 ls0 ws0">reference<span class="_ _a"> </span>voltages.<span class="_ _a"> </span>The<span class="_ _11"> </span>output<span class="_ _a"> </span>voltage<span class="_ _a"> </span>of<span class="_ _11"> </span>this<span class="_ _a"> </span>circuit<span class="_ _a"> </span>is<span class="_ _11"> </span>equal<span class="_ _a"> </span>to<span class="_ _a"> </span>the<span class="_ _11"> </span>input<span class="_ _a"> </span>voltage.</div><div class="t m0 x37 h25 ye0 ff66 fs7 fc6 sc0 ls0 ws0">Design<span class="_ _a"> </span>Notes</div><div class="t m0 x37 h28 ye1 ff64 fs7 fc6 sc0 ls0 ws0">1.<span class="_ _12"> </span>Use<span class="_ _a"> </span>the<span class="_ _a"> </span>op-amp<span class="_ _11"> </span>linear<span class="_ _a"> </span>output<span class="_ _a"> </span>operating<span class="_ _11"> </span>range,<span class="_ _a"> </span>which<span class="_ _a"> </span>is<span class="_ _11"> </span>usually<span class="_ _a"> </span>specified<span class="_ _a"> </span>under<span class="_ _11"> </span>the<span class="_ _a"> </span>A</div><div class="t m0 x33 h29 ye2 ff64 fs14 fc6 sc0 ls0 ws0">OL</div><div class="t m0 x20 h28 ye1 ff64 fs7 fc6 sc0 ls0 ws0">test<span class="_ _a"> </span>conditions.</div><div class="t m0 x37 h28 ye3 ff64 fs7 fc6 sc0 ls0 ws0">2.<span class="_ _12"> </span>The<span class="_ _a"> </span>small-signal<span class="_ _a"> </span>bandwidth<span class="_ _11"> </span>is<span class="_ _a"> </span>determined<span class="_ _a"> </span>by<span class="_ _11"> </span>the<span class="_ _a"> </span>unity-gain<span class="_ _a"> </span>bandwidth<span class="_ _11"> </span>of<span class="_ _a"> </span>the<span class="_ _a"> </span>amplifier.</div><div class="t m0 x37 h28 ye4 ff64 fs7 fc6 sc0 ls0 ws0">3.<span class="_ _12"> </span>Check<span class="_ _a"> </span>the<span class="_ _a"> </span>maximum<span class="_ _11"> </span>output<span class="_ _a"> </span>voltage<span class="_ _a"> </span>swing<span class="_ _11"> </span>versus<span class="_ _a"> </span>frequency<span class="_ _a"> </span>graph<span class="_ _11"> </span>in<span class="_ _a"> </span>the<span class="_ _a"> </span>datasheet<span class="_ _11"> </span>to<span class="_ _a"> </span>minimize<span class="_ _a"> </span>slew-</div><div class="t m0 x45 h28 ye5 ff64 fs7 fc6 sc0 ls0 ws0">induced<span class="_ _a"> </span>distortion.</div><div class="t m0 x37 h28 ye6 ff64 fs7 fc6 sc0 ls0 ws0">4.<span class="_ _12"> </span>The<span class="_ _a"> </span>common<span class="_ _a"> </span>mode<span class="_ _11"> </span>voltage<span class="_ _a"> </span>is<span class="_ _a"> </span>equal<span class="_ _11"> </span>to<span class="_ _a"> </span>the<span class="_ _a"> </span>input<span class="_ _11"> </span>signal.</div><div class="t m0 x37 h28 ye7 ff64 fs7 fc6 sc0 ls0 ws0">5.<span class="_ _12"> </span>Do<span class="_ _a"> </span>not<span class="_ _a"> </span>place<span class="_ _11"> </span>capacitive<span class="_ _a"> </span>loads<span class="_ _a"> </span>directly<span class="_ _11"> </span>on<span class="_ _a"> </span>the<span class="_ _a"> </span>output<span class="_ _11"> </span>that<span class="_ _a"> </span>are<span class="_ _a"> </span>greater<span class="_ _11"> </span>than<span class="_ _a"> </span>the<span class="_ _a"> </span>values<span class="_ _11"> </span>recommended<span class="_ _a"> </span>in</div><div class="t m0 x45 h28 ye8 ff64 fs7 fc6 sc0 ls0 ws0">the<span class="_ _a"> </span>datasheet.</div><div class="t m0 x37 h28 ye9 ff64 fs7 fc6 sc0 ls0 ws0">6.<span class="_ _12"> </span>High<span class="_ _a"> </span>output<span class="_ _a"> </span>current<span class="_ _11"> </span>amplifiers<span class="_ _a"> </span>may<span class="_ _a"> </span>be<span class="_ _11"> </span>required<span class="_ _a"> </span>if<span class="_ _a"> </span>driving<span class="_ _11"> </span>low<span class="_ _a"> </span>impedance<span class="_ _a"> </span>loads.</div><div class="t m0 x37 h28 yea ff64 fs7 fc6 sc0 ls0 ws0">7.<span class="_ _12"> </span>For<span class="_ _a"> </span>more<span class="_ _a"> </span>information<span class="_ _11"> </span>on<span class="_ _a"> </span>op-amp<span class="_ _a"> </span>linear<span class="_ _11"> </span>operating<span class="_ _a"> </span>region,<span class="_ _a"> </span>stability,<span class="_ _11"> </span>slew-induced<span class="_ _a"> </span>distortion,<span class="_ _a"> </span>capacitive</div><div class="t m0 x45 h28 yeb ff64 fs7 fc6 sc0 ls0 ws0">load<span class="_ _a"> </span>drive,<span class="_ _a"> </span>driving<span class="_ _11"> </span>ADCs,<span class="_ _a"> </span>and<span class="_ _a"> </span>bandwidth,<span class="_ _11"> </span>see<span class="_ _a"> </span>the<span class="_ _a"> </span><span class="ff2c">Design<span class="_ _11"> </span>References<span class="_ _a"> </span></span>section.</div><div class="c x46 yec w4 h2a"><div class="t m0 x0 h2b yed ff67 fs8 fc6 sc0 ls0 ws0">5</div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m9"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>