用ADS1256测微安级电流,采样电阻用的3.3欧姆,有时候会出现得到的AD值不准,应该是干扰的原因,我自己调试的时候没出现这个问题,在车间里出现了这个问题,用手摸摸采样电路,有时候会恢复正常。求解???
谢谢!
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用ADS1256测微安级电流,采样电阻用的3.3欧姆,有时候会出现得到的AD值不准,应该是干扰的原因,我自己调试的时候没出现这个问题,在车间里出现了这个问题,用手摸摸采样电路,有时候会恢复正常。求解???
谢谢!