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ADS1271电路图问题

Other Parts Discussed in Thread: ADS1271, PGA202, OPA1632

我只用一个ADS1271,SYNC引脚怎么接,接地?拉高?还是接普通IO口?DRDY接SPI1-NSS还是接普通IO口?SCLK多大时钟比较好?

ADS1271输出的是16进制吗?如果我用的ICP传感器输出信号比较大,可以不用调理电路吗?谢谢了