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ADS1299 差分输入,电极怎么接法?

Other Parts Discussed in Thread: ADS1299, ADS1299EEGFE-PDK

如题,为了提高信号抗干扰性,采用差分输入,INxP 接脑电极片的模拟输入信号,INxN怎么接?

INxN接信号线里的屏蔽线?如果是这样,屏蔽线一端接INxN,另一端悬空?如果也接到电极片上,未反向,真实信号都被抵消了。

求TI帮告知下,INxP和INxN  具体怎么接?谢谢了。