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THS4522全差分运放共模输出电压问题

Other Parts Discussed in Thread: THS4522

两个问题:

1、THS4522器件手册8.5.1.1小节的的公式和图有矛盾。公式应该有错。

2、在我的电路中,THS4522正负电源接+ -2.5V,Vocm脚接一82K电阻到+2.5V电源。如图所示

在Vocm点,实际测到电压为1.02V。

若根据Figure 78计算,Vocm点电压应该为1.56V。