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.

opa615峰值保持问题请教

Other Parts Discussed in Thread: OPA615

请教一下,最近要做一个峰值保持器,频率为5M,信号幅值为0.05-2.5v的脉冲,用opa615仿真时发现只有信号1.3v以上才可以保持住,1.3v以下的信号就完全不行了。请问有什么方法可以保持住微弱信号吗?或者哪一款芯片合适呢?我的电路是按照opa615数据手册的参考电路搭的,谢谢!