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ADS1271模式选择

Other Parts Discussed in Thread: ADS1271

1.  根据数据手册

我让ADS1271和STM32利用SPI进行通信,应该选择高分辨率模式还是高速模式?

2. 

FORMAT选择SPI方式时,是直接接地,还是接个电阻接地呢?

3. ADS1271内部本身的AGND,DGND是否隔离了?

 数据手册布线要求上注明  地平面:可以使用连接AGND和DGND引脚的单个接地层。如果使用单独的数字和模拟地,则在转换器上将这些地连接在一起。