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.

关于rail to rail 放大电路的问题

Other Parts Discussed in Thread: ADS1158, OPA365

我在使用两个ADS1158设计压力采集电路时,使用ADS1158手册中5V单电源、OP365组成RAIL TO RAIL放大电路的参考设计。 当我把放大倍数提高到1000倍时,输入直流差分电压 1.70V和1.67V(差分电压30MV),放大电路输出电压端出现大概周期400ns的振荡信号。甚至影响到输入端直流信号也出现锯齿波。请问是什么原因?