很大的小和输出很小的数(0X00FFFFBD,0XBDFFFFC2..),不接传感器也是同样的输出,是什么原因,是AD片子损坏了吗?
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ADS1234的输出为二的补码。从你的描述来看,输出的值应该是0XFFFFBD,0XFFFFC2这两个值。那么这两个值看起来很正常,是一个0电压左右的值。
很有可能是前面的传感器输出了0电压。