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最近遇到一个问题，我用TLE2142CP做运算放大器，供电是40V，输入3.1V，放大12倍，测量输出电压为37V，但是输出电流始终都是20uA，请问这是为啥？为啥输出电流几乎为零？
你好，你是怎么测量的？负载是多少？
问题找到了，是我负载的原因。谢谢。
不妨把这个问题和负载详述下，跟大家分享。
