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ADS1278精度问题

Other Parts Discussed in Thread: ADS1278

你好,数据现在能读到,我发现波动太大,在24位下最大最小相差1600,只能达到13位的精度,请问这正常吗?你们的ADS1278EVM-PDK能达到多少位?如何解决这个问题?

注:我设置为低速模式,27M晶振,10547采样数率。如果我降低采样数率,1.6M晶振,625采样数率会好一些。