ADS1246读写没问题,pga为1倍时没问题,改了PGA后数据不对。输入信号小于VREF/PGA,出来的读书不成比例。请问什么原因???
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我也遇到这种情况。测一个5mv的电压,用1 2 4 8 倍增益可以正确测出来。用16倍增益以后的就测不正确了。求救。