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多通道采集时,怎么隔离。

Other Parts Discussed in Thread: ADS1675

想问一下,目前5个采集通道,用了5片ADS1675,不想各自干扰,数据线和时钟是差分的,这些控制线还有数据线都要隔离吗?如果做隔离,选择什么芯片好?还有可不可以只隔离控制线部分,上面几对差分对不进行隔离?