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你好,
可以看看,LMP2021.谢谢。
http://www.ti.com/product/LMP2021?keyMatch=LMP2021&tisearch=Search-EN-Everything
我所询问的关键是第一级的运放选择,第二级的我已经选好芯片了Kailyn Chen 说:可以考虑第一级使用低输入失调电压,低输入噪音密度的运放,第二级可考虑使用仪表放大比如INA163。