ads1256支持30KSPS,这个怎么理解呀。是8路,每路都支持30K的采样率吗? 我这有个需求,8路,每路的采样率至少2K,能否支持?
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1258和1256同为SD型ADC,从功能上来说,1256带PGA和buffer,1258不带,从性能上来说,1258速度更快,而且拥有较快的通道切换速度,从噪声特性上来说,1256在低速时表现非常好,1258在高速上表现比1256好,具体数据您可以参考datasheet。