各位大神,用OPA2350搭了一个15倍的差分放大电路,采样电阻是100欧,当电流是15uA时,放大有时是35倍有时是7倍,而电流是3mA的时候就是稳定的15倍,麻烦看下是什么问题呗,谢谢
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.
各位大神,用OPA2350搭了一个15倍的差分放大电路,采样电阻是100欧,当电流是15uA时,放大有时是35倍有时是7倍,而电流是3mA的时候就是稳定的15倍,麻烦看下是什么问题呗,谢谢