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.

PGA460 C(inp) 和C(inn)的取值如何确定?

Other Parts Discussed in Thread: PGA460

我在PGA460 datasheet看到Cinp的计算公式是21.22乘以10的-6次再除探头频率,Cinn的值是0.0024除以探头频率,但是我看了其设计文件中的参考图纸中的取值对不上这个公式,例如58khz的探头用了390pf和0.033uf的指,请问一下这个公式到底如何使用呢?谢谢