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从你的电路可以看出,电源是在范围之内,这里的C1和C2是正负电源的去耦电容,增益=5。看起来是没问题。
理论上来说一般正负电压不平衡的没问题,不过还是建议你验证下,比如+-2.5V再试试。
其次,是否由于焊接时不注意导致电源是否对地短路,最后可能就要怀疑是不是芯片本身的问题了。