用运放构成电压跟随器应注意的几个问题

题外话：用运放构成电压跟从器的电路，传统教科书仅是简单的把输出和反相输入端连接起来完事儿（如图一），而实践电路要杂乱的多，安稳性问题不可忽略！这篇文章是在一家R本IC厂家网站上找到的，希望对实践使用有一点帮忙。

(Digression: Op amps are used to form a voltage follower circuit. Traditional textbooks simply connect the output and the inverting input (as shown in Figure 1), but the actual circuit is much more complicated, and the stability problem cannot be ignored! This article was found on the website of a Japanese IC manufacturer, and I hope it will help a little in practice.)

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