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ADS8681 采集2通道数据出现干扰

Other Parts Discussed in Thread: ADS8681

ADS8681芯片+选通器(型号为TS5A3160DBVR)以16K的采样速率对两路模拟信号进行交替采样发现两个通道的数据出现互相干扰,经测试发现选通器切换通道后需要等待90μs以上ADC芯片采样的数据才是正确的,当降低采样速率后采集的数据也是正确。请问

         1、在不降低16k的速率条件下,ADS8681能否实现两路模拟信号的交替采集?

         2、如ADS8681不能实现,TI是否有pin对pin的其它型号芯片