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请教:ADC124S021同时使用两个通道,两个通道的转换数据发生串扰,请赐教是哪里的问题!

Other Parts Discussed in Thread: ADC124S021

用DSP的SPI接口接ADC124S021,如果只是进行单通道的信号采集,则转换后的数值稳定,但是同时使用两个通道时则两个通道的数据发生串扰现象。如,我单独使用2通道,则转换后数值稳定,但是如果间隔采集通道2和通道3的信号,则通道3的转换数据对应于通道2的输入信号,通道2的转换数据对应于通道3的输入信号,请教一下,这是怎么回事?感觉好像SPI的接收BUF发生了延迟,该如何解决?