CA3280_datasheet.rar

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CA3280,一个很有用的部件,提供给大家参考
CA3280_datasheet.rar
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<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/6256593232672e2930293478/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/6256593232672e2930293478/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">1</div><div class="t m0 x2 h3 y2 ff2 fs1 fc0 sc0 ls0 ws0">&#174;</div><div class="t m0 x3 h4 y3 ff3 fs2 fc0 sc0 ls1 ws1">CA3280, CA3280A</div><div class="t m0 x4 h5 y4 ff3 fs3 fc0 sc0 ls2 ws2">Dual, 9MHz, Operational </div><div class="t m0 x4 h5 y5 ff3 fs3 fc0 sc0 ls3 ws3">Transconductance Amplifier (OTA)</div><div class="t m0 x4 h6 y6 ff2 fs0 fc0 sc0 ls4 ws4">The CA3280 and CA3280A types consist of two variable </div><div class="t m0 x4 h6 y7 ff2 fs0 fc0 sc0 ls5 ws5">operational amplifiers <span class="_ _0"></span>that are <span class="ws6">desi<span class="_ _0"></span>gned to substantially reduce </span></div><div class="t m0 x4 h6 y8 ff2 fs0 fc0 sc0 ls6 ws7">the initial input offset voltage and the offse<span class="_ _0"></span>t voltage variation </div><div class="t m0 x4 h6 y9 ff2 fs0 fc0 sc0 ls6 ws7">with respect to changes in programming current. This design </div><div class="t m0 x4 h6 ya ff2 fs0 fc0 sc0 ls7 ws8">results in reduced &#8220;AGC thump,&#8221; <span class="ls8 ws9">an objectionable characteristic </span></div><div class="t m0 x4 h6 yb ff2 fs0 fc0 sc0 ls7 wsa">of many AGC systems. Interdig<span class="ls9 wsb">itation, or crosscoupling, of </span></div><div class="t m0 x4 h6 yc ff2 fs0 fc0 sc0 ls8 ws3">critical portions of the circuit reduces the amplifier dependen<span class="_ _0"></span>ce </div><div class="t m0 x4 h6 yd ff2 fs0 fc0 sc0 lsa wsc">upon thermal and proc<span class="_ _0"></span>essing variables.</div><div class="t m0 x4 h6 ye ff2 fs0 fc0 sc0 lsb wsd">The CA3280 has all the generic characteristics of an </div><div class="t m0 x4 h6 yf ff2 fs0 fc0 sc0 ls6 ws7">operational voltage amplifier exc<span class="_ _0"></span><span class="lsc wse">ept that the forward transfer </span></div><div class="t m0 x4 h6 y10 ff2 fs0 fc0 sc0 lsd wsf">characteristics is best descri<span class="ls8 ws3">bed by transconductance rather </span></div><div class="t m0 x4 h6 y11 ff2 fs0 fc0 sc0 ls5 ws10">than voltage gain, and the output<span class="ws6"> is current, not vo<span class="_ _0"></span>ltage. The </span></div><div class="t m0 x4 h6 y12 ff2 fs0 fc0 sc0 lsb ws11">magnitude of the o<span class="_ _0"></span>utput current <span class="ws12">is equal to the produ<span class="_ _0"></span>ct of </span></div><div class="t m0 x4 h6 y13 ff2 fs0 fc0 sc0 lse ws13">transconductance and<span class="_ _0"></span> the input<span class="lsf ws14"> vo<span class="_ _0"></span>ltage. This type of </span></div><div class="t m0 x4 h6 y14 ff2 fs0 fc0 sc0 ls10 ws15">operational transco<span class="_ _0"></span>nductance amp<span class="ls11 ws16">lifie<span class="_ _0"></span>r was first introduced in </span></div><div class="t m0 x4 h6 y15 ff2 fs0 fc0 sc0 ls12 ws17">1969, and it has si<span class="_ _0"></span>nce gained wide <span class="_ _0"></span>acceptance as a <span class="_ _0"></span>gateable, </div><div class="t m0 x4 h6 y16 ff2 fs0 fc0 sc0 ls12 ws18">gain controlled buildin<span class="_ _0"></span>g block for instrumentation and audio<span class="_ _0"></span> </div><div class="t m0 x4 h6 y17 ff2 fs0 fc0 sc0 ls4 ws4">applications, such as lineariz<span class="ls9 wsb">ation of transducer outputs, </span></div><div class="t m0 x4 h6 y18 ff2 fs0 fc0 sc0 ls4 ws19">standardization of widely changin<span class="_ _0"></span>g signals for data processing, </div><div class="t m0 x4 h6 y19 ff2 fs0 fc0 sc0 ls4 wsd">multiplexing, instrumentation am<span class="_ _0"></span><span class="ls13 ws1a">plifiers operating from the </span></div><div class="t m0 x4 h6 y1a ff2 fs0 fc0 sc0 lsb wsd">nanopower range to high current and high speed<span class="_ _0"></span> comparators.</div><div class="t m0 x4 h6 y1b ff2 fs0 fc0 sc0 ls14 ws10">For additional applicatio<span class="_ _0"></span>n information on this device and on </div><div class="t m0 x4 h6 y1c ff2 fs0 fc0 sc0 ls15 ws1b">OTAs in general, <span class="_ _0"></span>please refer to App<span class="_ _0"></span>lication Notes: AN681<span class="_ _0"></span>8, </div><div class="t m0 x4 h6 y1d ff2 fs0 fc0 sc0 ls15 ws13">AN6668, and AN6077.</div><div class="t m0 x4 h5 y1e ff3 fs3 fc0 sc0 ls3 ws0">Pinout</div><div class="t m0 x5 h7 y1f ff4 fs4 fc0 sc0 ls16 ws1c">CA3280 (PDIP)</div><div class="t m0 x6 h8 y20 ff2 fs4 fc0 sc0 ls17 ws1d">TOP VIEW</div><div class="t m0 x4 h5 y21 ff3 fs3 fc0 sc0 ls18 ws1e">Ordering Information</div><div class="t m0 x7 h5 y4 ff3 fs3 fc0 sc0 ls3 ws0">Features</div><div class="t m0 x7 h9 y22 ff2 fs0 fc0 sc0 lsb ws11">&#8226;<span class="_ _1"> </span>Low Initial Input Offset <span class="_ _0"></span>Voltage:<span class="_ _2"> </span>500<span class="ff5 ls0 ws0">&#181;</span><span class="ls19 ws1f">V (Max) (CA3280A)</span></div><div class="t m0 x7 h6 y23 ff2 fs0 fc0 sc0 ls1a ws20">&#8226;<span class="_ _1"> </span>Low Offset Voltage Change vs I</div><div class="t m0 x8 ha y24 ff2 fs5 fc0 sc0 ls1b ws0">ABC</div><div class="t m0 x9 h9 y25 ff2 fs0 fc0 sc0 ls1c ws21">: &lt;500<span class="ff5 ls0 ws0">&#181;</span><span class="ls1d ws22">V (Typ) </span></div><div class="t m0 xa h6 y26 ff2 fs0 fc0 sc0 ls1e ws23">for All Types</div><div class="t m0 x7 h9 y27 ff2 fs0 fc0 sc0 ls1f ws24">&#8226;<span class="_ _1"> </span>Low Off<span class="_ _3"></span>set Voltage Drift: 5<span class="ff5 ls0 ws0">&#181;<span class="ff2 ls20">V/</span></span></div><div class="t m0 xb ha y28 ff2 fs5 fc0 sc0 ls0 ws0">o</div><div class="t m0 xc h6 y29 ff2 fs0 fc0 sc0 ls1a ws3">C (Max) (CA3280A)</div><div class="t m0 x7 h6 y2a ff2 fs0 fc0 sc0 ls1a ws1a">&#8226;<span class="_ _1"> </span>Excellent Matching of the Two Amplifiers for All<span class="_ _0"></span> </div><div class="t m0 xa h6 y2b ff2 fs0 fc0 sc0 ls21 ws0">Characteristics</div><div class="t m0 x7 h6 y2c ff2 fs0 fc0 sc0 ls14 ws10">&#8226;<span class="_ _1"> </span>Internal Current-Driven Linearizing Diodes Redu<span class="_ _0"></span>ce the </div><div class="t m0 xa h6 y2d ff2 fs0 fc0 sc0 ls22 ws12">External Input Current to an Offset Component</div><div class="t m0 x7 h9 y2e ff2 fs0 fc0 sc0 ls23 wsb">&#8226;<span class="_ _1"> </span>Flexible Supply Voltage Range<span class="_ _4"></span> . . . . . . . . . . <span class="_ _5"> </span> <span class="ff5 ls0 ws0">&#177;</span><span class="ls14 ws10">2V to <span class="ff5 ls0 ws0">&#177;<span class="ff2 ls24">15V</span></span></span></div><div class="t m0 x7 h5 y2f ff3 fs3 fc0 sc0 ls25 ws0">Applications</div><div class="t m0 x7 h6 y30 ff2 fs0 fc0 sc0 ls26 ws7">&#8226;<span class="_ _1"> </span>Voltage Controlled Amplifiers</div><div class="t m0 x7 h6 y31 ff2 fs0 fc0 sc0 ls1a ws3">&#8226;<span class="_ _1"> </span>Voltage Controlled Oscillators</div><div class="t m0 x7 h6 y32 ff2 fs0 fc0 sc0 ls22 ws0">&#8226;<span class="_ _1"> </span>Multipliers</div><div class="t m0 x7 h6 y33 ff2 fs0 fc0 sc0 ls27 ws0">&#8226;<span class="_ _1"> </span>Demodulators</div><div class="t m0 x7 h6 y34 ff2 fs0 fc0 sc0 ls15 ws13">&#8226;<span class="_ _1"> </span>Sample and Hold</div><div class="t m0 x7 h6 y35 ff2 fs0 fc0 sc0 ls28 ws25">&#8226;<span class="_ _1"> </span>Instrumentation Amplifiers</div><div class="t m0 x7 h6 y36 ff2 fs0 fc0 sc0 ls22 ws12">&#8226;<span class="_ _1"> </span>Function Generators</div><div class="t m0 x7 h6 y37 ff2 fs0 fc0 sc0 ls29 ws26">&#8226;<span class="_ _1"> </span>Triangle Wave-to-Sine Wave Converters</div><div class="t m0 x7 h6 y38 ff2 fs0 fc0 sc0 ls2a ws0">&#8226;<span class="_ _1"> </span>Comparators</div><div class="t m0 x7 h6 y39 ff2 fs0 fc0 sc0 ls2b ws14">&#8226;<span class="_ _1"> </span>Audio Preamplifier</div><div class="t m0 x7 h5 y3a ff3 fs3 fc0 sc0 ls0 ws27">Functional Diagram</div><div class="t m0 xd h7 y3b ff4 fs4 fc0 sc0 ls2c ws28">PART NUMBE<span class="_ _0"></span>R</div><div class="t m0 xe h7 y3c ff4 fs4 fc0 sc0 ls2d ws0">TEMP. </div><div class="t m0 xf h7 y3b ff4 fs4 fc0 sc0 ls2e ws1">RANGE (</div><div class="t m0 x10 hb y3d ff4 fs6 fc0 sc0 ls0 ws0">o</div><div class="t m0 x11 h7 y3b ff4 fs4 fc0 sc0 ls2f ws0">C)<span class="_ _6"> </span>PACKAGE</div><div class="t m0 x12 h7 y3c ff4 fs4 fc0 sc0 ls1 ws0">PKG. </div><div class="t m0 x13 h7 y3b ff4 fs4 fc0 sc0 ls30 ws0">NO.</div><div class="t m0 x14 h8 y3e ff2 fs4 fc0 sc0 ls31 ws0">CA3280AE<span class="_ _7"> </span>-55 to 125<span class="_ _8"> </span>16 Ld PDIP<span class="_ _9"> </span>E16.3</div><div class="t m0 x14 h8 y3f ff2 fs4 fc0 sc0 ls32 ws29">CA3280E<span class="_ _a"> </span>0 to 70<span class="_ _b"> </span>16 Ld PDIP<span class="_ _9"> </span>E16.3</div><div class="t m0 x15 hc y40 ff4 fs7 fc0 sc0 ls33 ws0">14</div><div class="t m0 x15 hc y41 ff4 fs7 fc0 sc0 ls33 ws0">15</div><div class="t m0 x15 hc y42 ff4 fs7 fc0 sc0 ls33 ws0">16</div><div class="t m0 x16 hc y43 ff4 fs7 fc0 sc0 ls0 ws0">9</div><div class="t m0 x15 hc y44 ff4 fs7 fc0 sc0 ls33 ws0">13</div><div class="t m0 x15 hc y45 ff4 fs7 fc0 sc0 ls33 ws0">12</div><div class="t m0 x15 hc y46 ff4 fs7 fc0 sc0 ls33 ws0">11</div><div class="t m0 x15 hc y47 ff4 fs7 fc0 sc0 ls33 ws0">10</div><div class="t m0 x17 hc y48 ff4 fs7 fc0 sc0 ls0 ws0">1</div><div class="t m0 x17 hc y49 ff4 fs7 fc0 sc0 ls0 ws0">2</div><div class="t m0 x17 hc y4a ff4 fs7 fc0 sc0 ls0 ws0">3</div><div class="t m0 x17 hc y4b ff4 fs7 fc0 sc0 ls0 ws0">4</div><div class="t m0 x17 hc y4c ff4 fs7 fc0 sc0 ls0 ws0">5</div><div class="t m0 x17 hc y4d ff4 fs7 fc0 sc0 ls0 ws0">7</div><div class="t m0 x17 hc y4e ff4 fs7 fc0 sc0 ls0 ws0">6</div><div class="t m0 x17 hc y4f ff4 fs7 fc0 sc0 ls0 ws0">8</div><div class="t m0 x18 hc y48 ff4 fs7 fc0 sc0 ls0 ws0">I</div><div class="t m0 x19 hd y50 ff4 fs8 fc0 sc0 ls0 ws0">D</div><div class="t m0 x1a hc y48 ff4 fs7 fc0 sc0 ls34 ws2a">, A1</div><div class="t m0 x1b hc y51 ff4 fs7 fc0 sc0 ls35 ws2b">EMITTER, A1</div><div class="t m0 x1c hc y52 ff4 fs7 fc0 sc0 ls0 ws0">I</div><div class="t m0 x1d hd y53 ff4 fs8 fc0 sc0 ls36 ws0">ABC</div><div class="t m0 x1a hc y4a ff4 fs7 fc0 sc0 ls34 ws2a">, A1</div><div class="t m0 x1e hc y54 ff4 fs7 fc0 sc0 ls37 ws0">V-</div><div class="t m0 x1f hc y55 ff4 fs7 fc0 sc0 ls38 ws0">NC</div><div class="t m0 x1c hc y56 ff4 fs7 fc0 sc0 ls0 ws0">I</div><div class="t m0 x1d hd y57 ff4 fs8 fc0 sc0 ls36 ws0">ABC</div><div class="t m0 x1a hc y4e ff4 fs7 fc0 sc0 ls34 ws2a">, A2</div><div class="t m0 x18 hc y58 ff4 fs7 fc0 sc0 ls0 ws0">I</div><div class="t m0 x19 hd y59 ff4 fs8 fc0 sc0 ls0 ws0">D</div><div class="t m0 x1a hc y4f ff4 fs7 fc0 sc0 ls34 ws2a">, A2</div><div class="t m0 x1b hc y5a ff4 fs7 fc0 sc0 ls35 ws2b">EMITTER, A2</div><div class="t m0 x20 hc y5b ff4 fs7 fc0 sc0 ls39 ws2c">+IN, A1</div><div class="t m0 x20 hc y5c ff4 fs7 fc0 sc0 ls3a ws2d">V+, A1</div><div class="t m0 x20 hc y5d ff4 fs7 fc0 sc0 ls3b ws2e">OUT, A1</div><div class="t m0 x20 hc y5e ff4 fs7 fc0 sc0 ls3b ws2e">OUT, A2</div><div class="t m0 x20 hc y5f ff4 fs7 fc0 sc0 ls3a ws2d">V+, A2</div><div class="t m0 x20 hc y60 ff4 fs7 fc0 sc0 ls3c ws2f">-IN, A2</div><div class="t m0 x20 hc y61 ff4 fs7 fc0 sc0 ls39 ws2c">+IN, A2</div><div class="t m0 x20 hc y62 ff4 fs7 fc0 sc0 ls3c ws2f">-IN, A1</div><div class="t m0 x21 he y63 ff4 fs0 fc0 sc0 ls0 ws0">-</div><div class="t m0 x22 hc y64 ff4 fs7 fc0 sc0 ls0 ws0">+</div><div class="t m0 x23 hc y65 ff4 fs7 fc0 sc0 ls38 ws0">A1</div><div class="t m0 x21 he y66 ff4 fs0 fc0 sc0 ls0 ws0">-</div><div class="t m0 x22 hc y67 ff4 fs7 fc0 sc0 ls0 ws0">+</div><div class="t m0 x24 hc y68 ff4 fs7 fc0 sc0 ls38 ws0">A2</div><div class="t m1 x25 hf y69 ff4 fs9 fc0 sc0 ls0 ws0">4</div><div class="t m1 x26 hf y6a ff4 fs9 fc0 sc0 ls3d ws0">14</div><div class="t m0 x25 hc y6b ff4 fs7 fc0 sc0 ls0 ws0">2</div><div class="t m1 x27 hf y6c ff4 fs9 fc0 sc0 ls0 ws0">3</div><div class="t m1 x28 hf y6d ff4 fs9 fc0 sc0 ls0 ws0">1</div><div class="t m1 x29 hf y6e ff4 fs9 fc0 sc0 ls3e ws0">16</div><div class="t m1 x29 hf y6f ff4 fs9 fc0 sc0 ls3e ws0">15</div><div class="t m1 x26 hf y70 ff4 fs9 fc0 sc0 ls3d ws0">13</div><div class="t m2 x7 h10 y71 ff4 fsa fc0 sc0 ls0 ws0">-</div><div class="t m1 x7 hf y72 ff4 fs9 fc0 sc0 ls0 ws0">+</div><div class="t m0 x29 hc y73 ff4 fs7 fc0 sc0 ls3f ws0">10</div><div class="t m0 x28 hc y74 ff4 fs7 fc0 sc0 ls0 ws0">9</div><div class="t m0 x28 hc y75 ff4 fs7 fc0 sc0 ls0 ws0">8</div><div class="t m0 x2a hc y76 ff4 fs7 fc0 sc0 ls0 ws0">6</div><div class="t m0 x26 hc y77 ff4 fs7 fc0 sc0 ls40 ws0">12</div><div class="t m0 x25 hc y78 ff4 fs7 fc0 sc0 ls0 ws0">7</div><div class="t m0 x26 hc y79 ff4 fs7 fc0 sc0 ls40 ws0">11</div><div class="t m1 x2b hf y77 ff4 fs9 fc0 sc0 ls3e ws0">2K<span class="_ _c"> </span>2K</div><div class="t m0 x2c hc y7a ff4 fs7 fc0 sc0 ls40 ws30">1/2 CA32<span class="_ _0"></span>80</div><div class="t m0 x2d h11 y7b ff3 fsb fc1 sc0 ls41 ws31">Data Sheet<span class="_ _d"> </span>May 2002<span class="_ _e"> </span>FN1174.6</div><div class="t m0 x2e h12 y7c ff2 fsc fc0 sc0 ls42 ws32">CAUTION: These devices are sensitive to electrosta<span class="ls43 ws0">tic dischar<span class="_ _3"></span>ge; follow proper IC Handling Procedur<span class="_ _3"></span>es.</span></div><div class="t m0 x2f h12 y7d ff2 fsc fc0 sc0 ls44 ws33">1-888-INTERSIL or 321-724-7143</div><div class="t m0 x30 h8 y7e ff2 fs4 fc0 sc0 ls0 ws0">|<span class="_ _f"> </span><span class="fsc ls42 ws32">Intersil (and design) is a trademark of Inte<span class="_ _3"></span>rsil Americas Inc.</span></div><div class="t m0 x31 h12 y7f ff2 fsc fc0 sc0 ls45 ws34">Copyright &#169; Intersil Americas Inc. 2002. All Rights Reser<span class="_ _3"></span>ved</div></div><div class="pi" data-data='{"ctm":[1.571195,0.000000,0.000000,1.571195,0.000000,0.000000]}'></div></div> </body> </html>
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