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按照规格书，LMP8603的默认放大倍数是100倍，当offset脚接Vs的时候，空载输出是Vs/2.
但是当我按照式样书，通过在A1,A2端串接10K对地电阻将放大倍数调节至10倍的时候，这时候空载输出却变成了0V，不是Vs/2了。这是为什么？
LMP8603.pdf
