想要使用LMH6552进行单端输入,差分输出给驱动AD,输入是一个直流电压信号,VCM可以直接接电容然后接地吗?
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想要使用LMH6552进行单端输入,差分输出给驱动AD,输入是一个直流电压信号,VCM可以直接接电容然后接地吗?
可以,差分输出的共模电压Vcm=(Vo1+Vo2)/2。
双电源供电的话,差分输出Vcm=0 没问题。