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<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/6257ad6560196e4b84bcb1b8/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">模拟工程师<span class="ff2"> </span></div><div class="t m0 x2 h3 y2 ff3 fs1 fc0 sc0 ls0 ws0">电路设计指导手册：运算放大器</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>
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<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/6257ad6560196e4b84bcb1b8/bg2.jpg"><div class="t m0 x3 h4 y3 ff4 fs2 fc1 sc0 ls0 ws0">模拟工程师电路设计指导手册：放大器</div><div class="t m0 x4 h5 y4 ff4 fs3 fc2 sc0 ls0 ws0">第二版</div><div class="t m0 x5 h6 y5 ff5 fs3 fc2 sc0 ls0 ws0"> </div><div class="t m0 x6 h7 y6 ff6 fs4 fc3 sc0 ls0 ws0">ZHCY082<span class="ff7"> - 03/2019</span></div><div class="t m0 x7 h8 y7 ff4 fs5 fc3 sc0 ls0 ws0">编辑者：</div><div class="t m0 x8 h8 y8 ff7 fs5 fc3 sc0 ls0 ws0">Tim Green<span class="ff4">、</span>Pete Semig<span class="ff4"> 和 </span>Collin W<span class="_ _0"></span>ells</div><div class="t m0 x9 h8 y9 ff4 fs5 fc3 sc0 ls0 ws0">特别感谢以下人员在技术方面的贡献：</div><div class="t m0 xa h9 ya ff7 fs5 fc3 sc0 ls0 ws0">Tim Claycomb</div><div class="t m0 xb h9 yb ff7 fs5 fc3 sc0 ls0 ws0">Mamadou Diallo</div><div class="t m0 xc h9 yc ff7 fs5 fc3 sc0 ls0 ws0">Peter Iliya</div><div class="t m0 xd h9 yd ff7 fs5 fc3 sc0 ls0 ws0">Zak Kaye</div><div class="t m0 x4 h9 ye ff7 fs5 fc3 sc0 ls0 ws0">Errol Leon</div><div class="t m0 xe h9 yf ff7 fs5 fc3 sc0 ls0 ws0">Marc Liu</div><div class="t m0 xf h9 y10 ff7 fs5 fc3 sc0 ls0 ws0">Masashi Miyagawa</div><div class="t m0 x10 h9 y11 ff7 fs5 fc3 sc0 ls0 ws0">Gustaf Falk</div><div class="t m0 x11 h9 y12 ff7 fs5 fc3 sc0 ls0 ws0">Olson Bala Ravi</div><div class="t m0 x12 h9 y13 ff7 fs5 fc3 sc0 ls1 ws0">T<span class="ls0">akahiro Saito</span></div><div class="t m0 x4 h9 y14 ff7 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/6257ad6560196e4b84bcb1b8/bg3.jpg"><div class="t m1 x13 ha y15 ff4 fs6 fc4 sc0 ls0 ws0">基本电路</div><div class="t m1 x13 hb y16 ff4 fs7 fc3 sc0 ls0 ws0">缓冲器（跟随器）电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>5</span></div><div class="t m1 x13 hb y17 ff4 fs7 fc3 sc0 ls0 ws0">反相放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>9</span></div><div class="t m1 x13 hb y18 ff4 fs7 fc3 sc0 ls0 ws0">同相放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>14</span></div><div class="t m1 x13 hb y19 ff4 fs7 fc3 sc0 ls0 ws0">反相求和电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>18</span></div><div class="t m1 x13 hb y1a ff4 fs7 fc3 sc0 ls0 ws0">差分放大器（减法器）电路<span class="ff5"> . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>23</span></div><div class="t m1 x13 hb y1b ff4 fs7 fc3 sc0 ls0 ws0">两级运算放大器仪表放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>27</span></div><div class="t m1 x13 hb y1c ff4 fs7 fc3 sc0 ls0 ws0">三级运算放大器仪表放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>31</span></div><div class="t m1 x13 hb y1d ff4 fs7 fc3 sc0 ls0 ws0">积分器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>35</span></div><div class="t m1 x13 hb y1e ff4 fs7 fc3 sc0 ls0 ws0">微分器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>40</span></div><div class="t m1 x13 ha y1f ff4 fs6 fc4 sc0 ls0 ws0">电流感应</div><div class="t m1 x13 hb y20 ff4 fs7 fc3 sc0 ls0 ws0">跨阻放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>45</span></div><div class="t m1 x13 hb y21 ff4 fs7 fc3 sc0 ls0 ws0">输出摆幅可至 GND 电路的单电源低侧单向电流检测解决方案<span class="ff5 ls2 ws1">.....<span class="_ _3"></span><span class="ls0 ws0">49</span></span></div><div class="t m1 x13 hb y22 ff4 fs7 fc3 sc0 ls0 ws0">单电源、低侧、单向电流检测电路<span class="ff5"> . . . . . . . . . . . . . . . .<span class="_ _2"> </span>53</span></div><div class="t m1 x13 hb y23 ff4 fs7 fc3 sc0 ls0 ws0">低侧双向电流检测电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>58</span></div><div class="t m1 x13 hb y24 ff4 fs7 fc3 sc0 ls0 ws0">具有瞬态保护功能的高侧、双向电流检测电路<span class="ff5"> . . . . . . . . . . .<span class="_ _2"> </span>64</span></div><div class="t m1 x13 hb y25 ff4 fs7 fc3 sc0 ls0 ws0">高侧电流检测电路设计<span class="ff5"> . . . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>69</span></div><div class="t m1 x13 hb y26 ff4 fs7 fc3 sc0 ls0 ws0">三十倍频负载电流感应电路<span class="ff5"> . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>73</span></div><div class="t m1 x13 hb y27 ff4 fs7 fc3 sc0 ls0 ws0">采用电流输出电流检测放大器的高电压、高侧浮动电流检测电路<span class="ff5"> . . .<span class="_ _2"> </span>77</span></div><div class="t m1 x13 hb y28 ff4 fs7 fc3 sc0 ls0 ws0">具有集成精密增益电阻器的低漂移低侧双向电流检测电路<span class="ff5"> . . . . . .<span class="_ _2"> </span>82</span></div><div class="t m1 x13 hb y29 ff4 fs7 fc3 sc0 ls0 ws0">过流事件检测电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>87</span></div><div class="t m1 x13 ha y2a ff4 fs6 fc4 sc0 ls0 ws0">信号源</div><div class="t m1 x13 hb y2b ff4 fs7 fc3 sc0 ls0 ws0">PWM 发生器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>91</span></div><div class="t m1 x13 hb y2c ff4 fs7 fc3 sc0 ls0 ws0">可调节基准电压电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . .<span class="_ _2"> </span>95</span></div><div class="t m1 x13 ha y2d ff4 fs6 fc4 sc0 ls0 ws0">电流源</div><div class="t m1 x13 hb y2e ff4 fs7 fc3 sc0 ls0 ws0">低电平电压-电流转换电路<span class="ff5 ls2 ws1">....................<span class="_ _3"></span><span class="ls0 ws0">98</span></span></div><div class="t m1 x13 ha y2f ff4 fs6 fc4 sc0 ls0 ws0">滤波器</div><div class="t m1 x13 hb y30 ff4 fs7 fc3 sc0 ls0 ws0">交流耦合 (HPF) 反相放大器电路<span class="ff5 ls2 ws1">................<span class="_ _2"> </span></span><span class="ff5">102</span></div><div class="t m1 x13 hb y31 ff4 fs7 fc3 sc0 ls0 ws0">交流耦合 (HPF) 同相放大器电路<span class="ff5 ls2 ws1">................<span class="_ _2"> </span></span><span class="ff5">106</span></div><div class="t m1 x13 hb y32 ff4 fs7 fc3 sc0 ls0 ws0">带通滤波反相衰减器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>110</span></div><div class="t m1 x13 hb y33 ff4 fs7 fc3 sc0 ls0 ws0">快速趋稳、低通滤波电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>114</span></div><div class="t m1 x13 hb y34 ff4 fs7 fc3 sc0 ls0 ws0">低通滤波、反相放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>118</span></div><div class="t m1 x13 ha y35 ff4 fs6 fc4 sc0 ls0 ws0">非线性电路（整流器/钳位/峰值检测器）</div><div class="t m1 x13 hb y36 ff4 fs7 fc3 sc0 ls0 ws0">半波整流器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>123</span></div><div class="t m1 x13 hb y37 ff4 fs7 fc3 sc0 ls0 ws0">全波整流器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>127</span></div><div class="t m1 x13 hb y38 ff4 fs7 fc3 sc0 ls0 ws0">单电源、低输入电压、全波整流器电路<span class="ff5"> . . . . . . . . . . . . . <span class="_ _2"> </span>131</span></div><div class="t m1 x13 hb y39 ff4 fs7 fc3 sc0 ls0 ws0">压摆率限制器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>135</span></div><div class="t m1 x14 ha y15 ff4 fs6 fc4 sc0 ls0 ws0">信号调节</div><div class="t m1 x14 hb y16 ff4 fs7 fc3 sc0 ls0 ws0">单端输入转差分输出电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>139</span></div><div class="t m1 x14 hb y17 ff4 fs7 fc3 sc0 ls0 ws0">采用反相正基准电压电路的反相运算放大器<span class="ff5"> . . . . . . . . . . . <span class="_ _2"> </span>143</span></div><div class="t m1 x14 hb y18 ff4 fs7 fc3 sc0 ls0 ws0">采用反相正基准电压电路的同相运算放大器<span class="ff5"> . . . . . . . . . . . <span class="_ _2"> </span>147</span></div><div class="t m1 x14 hb y19 ff4 fs7 fc3 sc0 ls0 ws0">采用同相正基准电压电路的同相运算放大器<span class="ff5"> . . . . . . . . . . . <span class="_ _2"> </span>151</span></div><div class="t m1 x14 hb y1a ff4 fs7 fc3 sc0 ls0 ws0">采用同相正基准电压电路的反相运算放大器。<span class="ff5"> . . . . . . . . . . <span class="_ _2"> </span>155 </span></div><div class="t m1 x14 hb y1b ff4 fs7 fc3 sc0 ls0 ws0">单电源差动输入至差动输出交流放大器电路<span class="ff5"> . . . . . . . . . . . <span class="_ _2"> </span>159</span></div><div class="t m1 x14 hb y1c ff4 fs7 fc3 sc0 ls0 ws0">反相双电源至单电源放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . <span class="_ _2"> </span>163</span></div><div class="t m1 x14 hb y1d ff4 fs7 fc3 sc0 ls0 ws0">双电源、分立式、可编程增益放大器电路<span class="ff5"> . . . . . . . . . . . . <span class="_ _2"> </span>168</span></div><div class="t m1 x14 hb y1e ff4 fs7 fc3 sc0 ls0 ws0">交流耦合仪表放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>172</span></div><div class="t m1 x14 hb y3a ff4 fs7 fc3 sc0 ls0 ws0">分立式宽带宽 INA 电路<span class="ff5 ls2 ws1">....................<span class="_ _2"> </span></span><span class="ff5">176</span></div><div class="t m1 x14 hb y3b ff4 fs7 fc3 sc0 ls0 ws0">低噪声、远距离 PIR 传感器调节器电路<span class="ff5 ls2 ws1">.............<span class="_ _2"> </span></span><span class="ff5">180</span></div><div class="t m1 x14 hb y3c ff4 fs7 fc3 sc0 ls0 ws0">利用 NTC 电路检测温度<span class="ff5 ls2 ws1">....................<span class="_ _2"> </span></span><span class="ff5">184</span></div><div class="t m1 x14 hb y3d ff4 fs7 fc3 sc0 ls0 ws0">利用 PTC 电路检测温度<span class="ff5 ls2 ws1">....................<span class="_ _2"> </span></span><span class="ff5">188</span></div><div class="t m1 x14 hb y3e ff4 fs7 fc3 sc0 ls0 ws0">采用全差分放大器的差分输入至差分输出电路<span class="ff5"> . . . . . . . . . . <span class="_ _2"> </span>192</span></div><div class="t m1 x14 hb y3f ff4 fs7 fc3 sc0 ls0 ws0">使用全差分放大器设计单端输入至差分输出电路<span class="ff5"> . . . . . . . . . <span class="_ _2"> </span>198</span></div><div class="t m1 x14 ha y25 ff4 fs6 fc4 sc0 ls0 ws0">比较器</div><div class="t m1 x14 hb y26 ff4 fs7 fc3 sc0 ls0 ws0">信号与时钟恢复电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>202</span></div><div class="t m1 x14 hb y27 ff4 fs7 fc3 sc0 ls0 ws0">具有和不具有迟滞的比较器电路<span class="ff5"> . . . . . . . . . . . . . . . . <span class="_ _2"> </span>206</span></div><div class="t m1 x14 hb y28 ff4 fs7 fc3 sc0 ls0 ws0">采用比较器的高侧电流检测电路<span class="ff5"> . . . . . . . . . . . . . . . . <span class="_ _2"> </span>210</span></div><div class="t m1 x14 hb y29 ff4 fs7 fc3 sc0 ls0 ws0">高速过流检测电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>215</span></div><div class="t m1 x14 hb y40 ff4 fs7 fc3 sc0 ls0 ws0">具有迟滞功能的反相比较器电路<span class="ff5"> . . . . . . . . . . . . . . . . <span class="_ _2"> </span>220</span></div><div class="t m1 x14 hb y41 ff4 fs7 fc3 sc0 ls0 ws0">低功耗双向电流检测电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>225</span></div><div class="t m1 x14 hb y42 ff4 fs7 fc3 sc0 ls0 ws0">具有迟滞功能的同相比较器电路<span class="ff5"> . . . . . . . . . . . . . . . . <span class="_ _2"> </span>230</span></div><div class="t m1 x14 hb y43 ff4 fs7 fc3 sc0 ls0 ws0">采用比较器的过压保护电路<span class="ff5"> . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>235</span></div><div class="t m1 x14 hb y44 ff4 fs7 fc3 sc0 ls0 ws0">采用集成基准的窗口比较器电路<span class="ff5"> . . . . . . . . . . . . . . . . <span class="_ _2"> </span>239</span></div><div class="t m1 x14 hb y45 ff4 fs7 fc3 sc0 ls0 ws0">弛张振荡器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>243</span></div><div class="t m1 x14 hb y46 ff4 fs7 fc3 sc0 ls0 ws0">热敏开关电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>247</span></div><div class="t m1 x14 hb y47 ff4 fs7 fc3 sc0 ls0 ws0">采用比较器的欠压保护电路<span class="ff5"> . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>251</span></div><div class="t m1 x14 hb y48 ff4 fs7 fc3 sc0 ls0 ws0">窗口比较器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>255</span></div><div class="t m1 x14 hb y49 ff4 fs7 fc3 sc0 ls0 ws0">采用比较器的过零检测电路.<span class="ff5 ls2 ws1">..................<span class="_ _2"> </span></span><span class="ff5">258</span></div><div class="t m1 x14 ha y4a ff4 fs6 fc4 sc0 ls0 ws0">传感器采集</div><div class="t m1 x14 hb y4b ff4 fs7 fc3 sc0 ls0 ws0">单电源应变仪桥式放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>262</span></div><div class="t m1 x14 hb y4c ff4 fs7 fc3 sc0 ls0 ws0">光电二极管放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>266</span></div><div class="t m1 x14 ha y4d ff4 fs6 fc4 sc0 ls0 ws0">音频</div><div class="t m1 x14 hb y4e ff4 fs7 fc3 sc0 ls0 ws0">同相麦克风前置放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>270</span></div><div class="t m1 x14 hb y4f ff4 fs7 fc3 sc0 ls0 ws0">TIA 麦克风放大器电路<span class="ff5"> . . . . . . . . . . . . . . . . . . . . <span class="_ _2"> </span>275</span></div><div class="t m0 x15 h5 y50 ff4 fs3 fc1 sc0 ls0 ws0">目录</div><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' 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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/6257ad6560196e4b84bcb1b8/bg4.jpg"><div class="t m0 x16 hc y51 ff8 fs8 fc1 sc0 ls0 ws0">模拟工程师电路设计指导手册：放大器</div><div class="t m0 x4 hd y52 ff8 fs4 fc2 sc0 ls0 ws0">（第二版）</div><div class="t m0 x13 he y53 ff9 fs9 fc3 sc0 ls0 ws0"> </div><div class="t m0 x13 hf y54 ff8 fs9 fc3 sc0 ls0 ws0">编辑者的话：</div><div class="t m0 x13 hf y55 ff8 fs9 fc3 sc0 ls0 ws0">模拟工程师电路设计指导手册：放大器可提供放大器子电路设计理念，便于您快速借鉴这些理念来满足特定系统需求。每</div><div class="t m0 x13 hf y56 ff8 fs9 fc3 sc0 ls0 ws0">种电路都以“示例定义”的形式呈现。里面包括一些像食谱一样的分步式说明，并且带有能帮助您改进电路从而满足您的</div><div class="t m0 x13 hf y57 ff8 fs9 fc3 sc0 ls0 ws0">设计目标的公式。而且，所有电路都通过 <span class="ffa">SPICE</span> 仿真的验证。</div><div class="t m0 x13 hf y58 ff8 fs9 fc3 sc0 ls0 ws0">我们为每个电路推荐了至少一种放大器，但是如果有更适合您的设计的器件，您仍可进行更换。若想查看我们丰富的放大</div><div class="t m0 x13 hf y59 ff8 fs9 fc3 sc0 ls0 ws0">器产品组合，您可访问 <span class="ffb fc4">ti.com/amplifiers</span>。</div><div class="t m0 x13 hf y5a ff8 fs9 fc3 sc0 ls0 ws0">我们的电路要求您对放大器的概念有一个基本的了解。如果您不熟悉放大器设计，我们强烈建议您完成 <span class="ffa">TI</span> 高精度实验室 </div><div class="t m0 x13 hf y5b ffa fs9 fc3 sc0 ls0 ws0">(TIPL)<span class="ff8"> 系列培训。</span>TIPL<span class="ff8"> 包括一些有关介绍性主题的课程，比如器件架构以及应用特定的高级问题解决方案（使用理论和实</span></div><div class="t m0 x13 hf y5c ff8 fs9 fc3 sc0 ls0 ws0">践知识）。</div><div class="t m0 x13 hf y5d ff8 fs9 fc3 sc0 ls0 ws0">若想查看有关运算放大器、模数转换器 <span class="ffa">(ADC)</span> 等内容的课程，请访问：<span class="ffb fc4">ti.com.cn/precisionlabs</span><span class="ffc">.</span></div><div class="t m0 x13 hf y5e ff8 fs9 fc3 sc0 ls0 ws0">我们希望这一放大器电路资源汇总可以帮助改善您的设计。我们的目标是利用超值放大器电路构建块定期更新指导手册。</div><div class="t m0 x13 hf y5f ff8 fs9 fc3 sc0 ls0 ws0">您可以访问 <span class="ffb fc4">ti.com/circuitcookbooks</span>，了解您的版本是否为最新版本。如果您对我们的现有电路有任何意见或建议，或者</div><div class="t m0 x13 hf y60 ff8 fs9 fc3 sc0 ls0 ws0">希望下一版指导手册中包含其他放大器电路，请通过以下电子邮件地址联系我们：<span class="ffb fc4">opampcookbook@list.ti.com</span>。</div><div class="t m0 x13 he y61 ffd fs9 fc0 sc0 ls0 ws0"> <span class="ff8">其他资源<span class="fc3"> </span></span></div><div class="t m0 x13 hb y62 ffb fsa fc3 sc0 ls0 ws0">TI<span class="ff8 fs7"> 高精度实验室 </span><span class="fc4">ti.com/precisionlabs</span></div><div class="t m0 x13 hb y63 ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>从介绍性概念到高级概念都包含的按需课程和教程，聚焦于应用</div><div class="t m0 x17 hb y64 ff8 fs7 fc3 sc0 ls0 ws0">特定的高级问题解决方案</div><div class="t m0 x13 hb y65 ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>提供实践实验室和评估模块</div><div class="t m0 x18 h10 y66 ffb fsa fc3 sc0 ls0 ws0"> (EVM)</div><div class="t m0 x13 hb y67 ff8 fs7 fc3 sc0 ls0 ws0"> <span class="_ _5"> </span>- <span class="ffb fsa">TIPL</span> 运算放大器实验平台， <span class="ffb fsa fc4">ti.com/TIPL-amp-evm</span></div><div class="t m0 x13 hb y68 ff8 fs7 fc3 sc0 ls0 ws0"> <span class="_ _5"> </span>- <span class="ffb fsa">TIPL SAR ADC</span> 实验平台，<span class="ffb fsa fc4">ti.com/TIPL-Data Converters-evm</span></div><div class="t m0 x13 hb y69 ff8 fs7 fc3 sc0 ls0 ws0">《模拟工程师口袋参考书》<span class="ffb fsa fc4">ti.com/analogrefguide</span></div><div class="t m0 x13 hb y6a ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span><span class="ffb fsa">PCB<span class="ff8 fs7">、模拟和混合信号设计公式；包括转换、表格和方程式</span></span></div><div class="t m0 x13 hb y6b ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>提供电子书、</div><div class="t m0 x19 hb y6c ffb fsa fc3 sc0 ls0 ws0">iT<span class="_ _0"></span>unes<span class="ff8 fs7"> 和 </span>Android<span class="ff8 fs7"> 应用程序及硬拷贝</span></div><div class="t m0 x13 hb y6d ff8 fs7 fc3 sc0 ls0 ws0">《信号》电子版 </div><div class="t m0 x1a h10 y6e ffb fsa fc4 sc0 ls0 ws0">ti.com/signalbook</div><div class="t m0 x13 hb y6f ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>包含有关设计主题（如失调电压、输入偏置电流、稳定性、噪声</div><div class="t m0 x17 hb y70 ff8 fs7 fc3 sc0 ls0 ws0">等）的简短课程的运算放大器电子书</div><div class="t m0 x13 hb y71 ffb fsa fc3 sc0 ls0 ws0">TI Designs<span class="ff8 fs7"> </span><span class="fc4">ti.com/tidesigns</span></div><div class="t m0 x13 hb y72 ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>随时可用的参考设计（包含理论、计算、仿真原理图、<span class="ffb fsa">PCB</span> 文件</div><div class="t m0 x17 hb y73 ff8 fs7 fc3 sc0 ls0 ws0">和基准测试结果）</div><div class="t m0 x13 hb y74 ffb fsa fc3 sc0 ls0 ws0">TINA-TI™<span class="ff8 fs7"> 仿真软件 </span><span class="fc4">ti.com.cn/tool/cn/tina-ti</span></div><div class="t m0 x13 hb y75 ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>全套 SPICE 仿真器，用于直流、交流、瞬变和噪声分析</div><div class="t m0 x13 hb y76 ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>包含用于波形加成的电路输入和后处理器</div><div class="t m0 x13 hb y77 ff8 fs7 fc3 sc0 ls0 ws0">模拟工程师计算器 <span class="ffb fsa fc4">ti.com/analogcalc</span></div><div class="t m0 x13 hb y78 ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span><span class="ffb fsa">ADC<span class="ff8 fs7"> 和放大器设计工具、噪声和稳定性分析、PCB 和传感器工具</span></span></div><div class="t m0 x13 hb y79 ff8 fs7 fc3 sc0 ls0 ws0"> </div><div class="t m0 x13 hb y7a ffb fsa fc3 sc0 ls0 ws0">Analog Wire<span class="ff8 fs7"> 博客 </span><span class="fc4">ti.com/analogwir<span class="_ _1"></span>e</span></div><div class="t m0 x13 hb y7b ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>由模拟专家撰写的技术博客（包括一些提示、技巧和设计技术）</div><div class="t m0 x14 hb y7c ffb fsa fc3 sc0 ls0 ws0">TI E2E™<span class="ff8 fs7"> 社区 </span><span class="fc4">ti.com/e2e</span></div><div class="t m0 x14 hb y7d ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>适合所有 TI 产品的支持论坛</div><div class="t m0 x14 hb y7e ff8 fs7 fc3 sc0 ls0 ws0">运算放大器电路快速搜索及参数搜索 </div><div class="t m0 x1b h10 y7f ffb fsa fc4 sc0 ls0 ws0">ti.com/opamp-search</div><div class="t m0 x14 hb y80 ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>通过输入关键参数或选择电路功能搜索我们的运算放大器</div><div class="t m0 x14 hb y81 ff8 fs7 fc3 sc0 ls0 ws0">运算放大器参数交叉参考 </div><div class="t m0 x1c h10 y82 ffb fsa fc4 sc0 ls0 ws0">ti.com/opampcrossr<span class="_ _1"></span>eference</div><div class="t m0 x14 hb y83 ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>使用竞争产品器件编号查找类似的 <span class="ffb fsa">TI</span> 放大器</div><div class="t m0 x14 hb y84 ffb fsa fc3 sc0 ls0 ws0">DIY<span class="ff8 fs7"> 放大器电路评估模块 </span>(DIY<span class="_ _1"></span>AMP-EVM)<span class="ff8 fs7"> </span><span class="fc4">ti.com/DIY<span class="_ _0"></span>AMP-EVM</span></div><div class="t m0 x14 hb y85 ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>提供三种封装选项<span class="ffb fsa"> (SC70<span class="ff8">、</span>SOT23</span> 和 <span class="ffb fsa">SOIC) </span>以及 <span class="ffb fsa">12</span> 种热门放大</div><div class="t m0 x1d hb y86 ff8 fs7 fc3 sc0 ls0 ws0">器配置的单通道电路评估模块</div><div class="t m0 x14 hb y87 ff8 fs7 fc3 sc0 ls0 ws0">双通道 <span class="ffb fsa">DIY</span> 放大器电路评估模块 <span class="ffb fsa">(DUAL-DIY<span class="_ _1"></span>AMP-EVM)</span></div><div class="t m0 x14 h10 y88 ffb fsa fc4 sc0 ls0 ws0">ti.com/dual-diyamp-evm</div><div class="t m0 x14 hb y89 ff8 fs7 fc3 sc0 ls0 ws0">• <span class="_ _4"></span>采用 <span class="ffb fsa">SOIC-8</span> 封装并提供 <span class="ffb fsa">10</span> 种热门放大器配置的双通道电路评</div><div class="t m0 x1d hb y8a ff8 fs7 fc3 sc0 ls0 ws0">估模块</div><div class="t m0 x13 h11 y8b ff8 fsb fc3 sc0 ls0 ws0">德州仪器 <span class="ffa">(TI)</span> 公司 <span class="ffa">2019</span> 年版权所有.<span class="ff9"> <span class="ffa">© 2019 T<span class="_ _0"></span>exas Instruments Incorporated. </span></span></div><div class="c x1e y8c w2 h12"><div class="t m3 x1f h13 y8d ffe fsc fc0 sc0 ls0 ws0">模拟工程师<span class="fff"> </span></div><div class="t m3 x20 h14 y8e ff10 fsd fc0 sc0 ls0 ws0">电路设计指导手册：运算放大器</div></div><div class="c x21 y8f w3 h15"><div class="t m4 x22 h16 y90 ff11 fse fc0 sc0 ls3 ws2">电路设计指导手册<span class="ls0 ws0">：</span></div><div class="t m5 x23 h17 y91 ff12 fsf fc0 sc0 ls0 ws0">模拟工程师<span class="ff13"> </span></div><div class="t m4 x24 h16 y92 ff11 fse fc0 sc0 ls4 ws3">数据转换器</div><div class="t m6 x25 h18 y93 ff14 fs10 fc0 sc0 ls0 ws0">V</div><div class="t m7 x25 h19 y94 ff14 fs11 fc0 sc0 ls0 ws0">DAC</div><div class="t m6 x26 h18 y95 ff14 fs10 fc0 sc0 ls0 ws0">DAC</div><div class="t m8 x27 h1a y96 ff14 fs12 fc0 sc0 ls0 ws0">Vin</div><div class="t m8 x28 h1a y97 ff14 fs12 fc0 sc0 ls0 ws0">5.0V<span class="_ _6"> </span>3.0V</div><div class="t m8 x28 h1a y98 ff14 fs12 fc0 sc0 ls0 ws0">AVDD<span class="_ _7"> </span>DVDD</div><div class="t m8 x28 h1a y99 ff14 fs12 fc0 sc0 ls0 ws0">GND</div><div class="t m9 x24 h1b y9a ff14 fs13 fc0 sc0 ls0 ws0">IN</div><div class="t ma x17 h1b y9b ff14 fs13 fc0 sc0 ls0 ws0">VREF</div><div class="t ma x24 h1b y9c ff14 fs13 fc0 sc0 ls0 ws0">GND</div></div><div class="t m0 x29 hc y9d ff8 fs8 fc4 sc0 ls0 ws0">想了解更多电路？</div><div class="t m0 x29 h1c y9e ff8 fsa fc3 sc0 ls0 ws0">• 下载有关数据转换器的《模拟工</div><div class="t m0 x2a h1c y9f ff8 fsa fc3 sc0 ls0 ws0">程师电路设计指导手册》</div><div class="t m0 x29 h1c ya0 ff8 fsa fc3 sc0 ls0 ws0">• <span class="_ _8"></span>浏览放大器和数据转换器电路的</div><div class="t m0 x2a h1c ya1 ff8 fsa fc3 sc0 ls0 ws0">完整列表</div><div class="t mb x29 h1c ya2 ff8 fsa fc4 sc0 ls0 ws0">请访问<span class="ffb"> ti.com/circuitcookbooks</span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a><a class="l" rel='nofollow' onclick='return false;'><div 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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/6257ad6560196e4b84bcb1b8/bg5.jpg"><div class="c x2b ya3 w4 h1d"><div class="t m0 x2c h1e ya4 ff15 fs14 fc5 sc0 ls0 ws0">-</div><div class="t m0 x2c h1e ya5 ff15 fs14 fc5 sc0 ls0 ws0">+</div><div class="t m0 x2d h1e ya6 ff15 fs14 fc5 sc0 ls0 ws0">+</div><div class="t m0 x2e h1f ya7 ff16 fs14 fc5 sc0 ls0 ws0">U1 LM7332</div><div class="t m0 x28 h1f ya8 ff16 fs14 fc5 sc0 ls0 ws0">Vcc 15</div><div class="t m0 x28 h1f ya9 ff16 fs14 fc5 sc0 ls0 ws0">Vee 15</div><div class="t mc x1f h1f yaa ff16 fs14 fc5 sc0 ls0 ws0">+</div><div class="t m0 x0 h1f yab ff16 fs14 fc5 sc0 ls0 ws0">Vi</div><div class="t m0 x2f h1f yac ff16 fs14 fc5 sc0 ls0 ws0">Vo</div></div><div class="t m0 x2d h20 yad ff17 fsa fc5 sc0 ls0 ws0">ZHCA785A<span class="_ _6"></span>–<span class="_ _6"></span>February<span class="_ _5"> </span>2018<span class="_ _6"></span>–<span class="_ _6"></span>Revised<span class="_ _5"> </span>January<span class="_ _5"> </span>2019</div><div class="t m0 x30 h20 yae ff17 fsa fc6 sc0 ls0 ws0">SBOA269<span class="_ _9"> </span>—<span class="_ _9"> </span>http://www-s.ti.com/sc/techlit/SBOA269</div><div class="t m0 x31 h21 yaf ff18 fsb fc5 sc0 ls0 ws0">版权<span class="_ _2"> </span><span class="ff17">©<span class="_ _2"> </span>2018–2019,<span class="_ _5"> </span>Texas<span class="_ _2"> </span>Instruments<span class="_ _2"> </span>Incorporated</span></div><div class="t md x32 h22 yad ff18 fs15 fc5 sc0 ls0 ws0">缓冲器（跟随器）电路</div><div class="t m0 x5 h23 yb0 ff19 fs8 fc5 sc0 ls0 ws0">Analog<span class="_ _a"> </span>Engineer's<span class="_ _a"> </span>Circuit:<span class="_ _a"> </span>Amplifiers</div><div class="t m0 x33 h24 yb1 ff19 fs7 fc5 sc0 ls0 ws0">ZHCA785A<span class="_ _6"></span>–<span class="_ _b"></span>February<span class="_ _5"> </span>2018<span class="_ _b"></span>–<span class="_ _6"></span>Revised<span class="_ _c"> </span>January<span class="_ _5"> </span>2019</div><div class="t md x34 h25 yb2 ff18 fs16 fc5 sc0 ls0 ws0">缓<span class="_ _d"></span>缓冲<span class="_ _d"></span>冲器<span class="_ _d"></span>器<span class="_ _1"></span>（<span class="_ _d"></span>（跟<span class="_ _d"></span>跟随<span class="_ _d"></span>随器<span class="_ _d"></span>器<span class="_ _1"></span>）<span class="_ _d"></span>）电<span class="_ _d"></span>电路<span class="_ _d"></span>路</div><div class="t m0 x35 hf yb3 ff18 fs9 fc5 sc0 ls0 ws0">设<span class="_ _e"></span>设计<span class="_ _e"></span>计目<span class="_ _e"></span>目<span class="_ _1"></span>标<span class="_ _e"></span>标</div><div class="t m0 x36 h1c yb4 ff18 fsa fc5 sc0 ls0 ws0">输<span class="_ _f"></span>输入<span class="_ _f"></span>入<span class="_ _10"> </span>输<span class="_ _f"></span>输出<span class="_ _f"></span>出<span class="_ _11"> </span>频<span class="_ _f"></span>频率<span class="_ _f"></span>率<span class="_ _11"> </span>电<span class="_ _f"></span>电源<span class="_ _f"></span>源</div><div class="t m0 x37 h20 yb5 ff17 fsa fc5 sc0 ls0 ws0">V</div><div class="t m0 x38 h26 yb6 ff17 fs17 fc5 sc0 ls0 ws0">iMin</div><div class="t m0 x39 h20 yb5 ff17 fsa fc5 sc0 ls0 ws0">V</div><div class="t m0 x3a h26 yb6 ff17 fs17 fc5 sc0 ls0 ws0">iMax</div><div class="t m0 x3b h20 yb5 ff17 fsa fc5 sc0 ls0 ws0">V</div><div class="t m0 x3c h26 yb6 ff17 fs17 fc5 sc0 ls0 ws0">oMin</div><div class="t m0 x14 h20 yb5 ff17 fsa fc5 sc0 ls0 ws0">V</div><div class="t m0 x3d h26 yb6 ff17 fs17 fc5 sc0 ls0 ws0">oMax</div><div class="t m0 x3e h20 yb5 ff17 fsa fc5 sc0 ls0 ws0">f<span class="_ _12"> </span>V</div><div class="t m0 x3f h26 yb6 ff17 fs17 fc5 sc0 ls0 ws0">cc</div><div class="t m0 x40 h20 yb5 ff17 fsa fc5 sc0 ls0 ws0">V</div><div class="t m0 x41 h26 yb6 ff17 fs17 fc5 sc0 ls0 ws0">ee</div><div class="t m0 x42 h20 yb7 ff17 fsa fc5 sc0 ls0 ws0">–10V<span class="_ _13"> </span>10V<span class="_ _13"> </span>–10V<span class="_ _13"> </span>10V<span class="_ _14"> </span>100kHz<span class="_ _14"> </span>15V<span class="_ _13"> </span>–15V</div><div class="t m0 x35 hf yb8 ff18 fs9 fc5 sc0 ls0 ws0">设<span class="_ _e"></span>设计<span class="_ _e"></span>计<span class="_ _c"> </span>说<span class="_ _e"></span>说明<span class="_ _e"></span>明</div><div class="t m0 x35 hf yb9 ff18 fs9 fc5 sc0 ls0 ws0">此设计用于通过提供高输入阻抗和低输出阻抗来缓冲信号。该电路通常用于驱动低阻抗负载、模数转换器</div><div class="t m0 x35 h27 yba ff17 fs9 fc5 sc0 ls0 ws0">(ADC)<span class="_ _c"> </span><span class="ff18">和缓冲器基准电压。该电路的输出电压等于输入电压。</span></div><div class="t m0 x35 hf ybb ff18 fs9 fc5 sc0 ls0 ws0">设<span class="_ _e"></span>设计<span class="_ _e"></span>计说<span class="_ _e"></span>说<span class="_ _1"></span>明<span class="_ _e"></span>明</div><div class="t m0 x35 h27 ybc ff17 fs9 fc5 sc0 ls0 ws0">1.<span class="_ _15"> </span><span class="ff18">使用运算放大器线性输出运行范围，通常在<span class="_ _c"> </span></span>A</div><div class="t m0 x43 h28 ybd ff17 fs18 fc5 sc0 ls0 ws0">OL</div><div class="t m0 x44 hf ybc ff18 fs9 fc5 sc0 ls0 ws0">测试条件下指定该范围。</div><div class="t m0 x35 h27 ybe ff17 fs9 fc5 sc0 ls0 ws0">2.<span class="_ _15"> </span><span class="ff18">小信号带宽由放大器的单位增益带宽决定。</span></div><div class="t m0 x35 h27 ybf ff17 fs9 fc5 sc0 ls0 ws0">3.<span class="_ _15"> </span><span class="ff18">检查数据表中的最大输出电压摆幅与频率间的关系图，以最大限度地减小转换导致的失真。</span></div><div class="t m0 x35 h27 yc0 ff17 fs9 fc5 sc0 ls0 ws0">4.<span class="_ _15"> </span><span class="ff18">共模电压等于输入信号。</span></div><div class="t m0 x35 h27 yc1 ff17 fs9 fc5 sc0 ls0 ws0">5.<span class="_ _15"> </span><span class="ff18">不要将电容负载直接放置在大于数据表推荐值的输出上。</span></div><div class="t m0 x35 h27 yc2 ff17 fs9 fc5 sc0 ls0 ws0">6.<span class="_ _15"> </span><span class="ff18">如果驱动低阻抗负载，可能需要高输出电流放大器。</span></div><div class="t m0 x35 h27 yc3 ff17 fs9 fc5 sc0 ls0 ws0">7.<span class="_ _15"> </span><span class="ff18">有关运算放大器线性运行区域、稳定性、转换导致的失真、电容负载驱动、驱动<span class="_ _c"> </span></span>ADC<span class="_ _16"> </span><span class="ff18">和带宽的更多信</span></div><div class="t m0 x45 hf yc4 ff18 fs9 fc5 sc0 ls0 ws0">息，请参阅</div><div class="t md x46 h29 yc4 ff18 fs19 fc5 sc0 ls0 ws0">设计参考</div><div class="t m0 x47 hf yc4 ff18 fs9 fc5 sc0 ls0 ws0">部分。</div><div class="c x48 yc5 w5 h2a"><div class="t m0 x0 h2b yc6 ff1a fsa fc5 sc0 ls0 ws0">5</div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m2"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>
