你好,
我现在使用INA826作为ADC前端缓冲,抑制共模信号,供电电压±12V,REF接地,RG配置为单位增益,每个输入端有1/3分压。现在没有输入时,即使直接将放大的的IN-和IN-短接后接到GND,常温下输出端也有0.6mV左右的失调电压。请问这个电压正常吗?
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