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.

OPA551: OPA551

Part Number: OPA551
Other Parts Discussed in Thread: OPA593

VDD=60V SR=15v/us GBW=3Mhz 本电路图不会商用,纯学习比赛用

想问一下各位大佬几个问题?

1:这个电路图能够满足开环增益为120dB的情况吗?

2:差分对的尾电流的上/下的两个mos管的Vov应该怎么分配比较好?

3:中间的两支浮动类的mos对所在的支路电流大概是多少啊?他们两个的Vov应该怎么分配啊?给他们提供偏置电压的支路电流应该怎么算?大概是多少?

4:输出支路的电流大小应该怎么算?

5:补偿电容应该怎么计算啊?

6:整体的开环增益应该怎么计算啊?