This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

一个简单的电路仿真分析(求教)

Other Parts Discussed in Thread: OPA657

我用TINA的瞬态仿真分析一个电路如附件中图1所示。我想输入50mv的电压,理论上输出应该是50*20=1000mv=1V,但是分析的结果如图2所示。

一直搞不懂反相输入端(即in1)的-394.71mv是怎么来的?OPA657的输入失调电压电流都不会产生这么大的电压啊。为什么反相输入端和同相输入端的电压差别这么大?