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ADS8688能输入真差分信号吗?

Other Parts Discussed in Thread: ADS8688, ADS8684, ADS8332

我现在用ADS8688进行ADC转换,通道1输入真正的差分信号0-10V(直流),但是转换后结果变化很乱,只要把AN_1GND接地,数据就很稳定了,而且数据大小正确,请问:ADS8688能输入真差分信号吗?如果可以,我应该怎么接线?谢谢