在使用INA128采集数据时,好几个芯片的偏置电压不一致,有的偏置看不出来,有的达到2V,居多的在0.5V到1.5V之间(其中Vref全接地);用AD627的时候,偏置也有100mv,AD8227有500mv的偏置,不理解怎么那么大偏置,求高人指点
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