Other Parts Discussed in Thread: REF3125, OPA350
我的ads1258 采集精度要大 5mv,是用正负1.024v 参考电压,正负2.5v电源
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您好,参考电压VREF = VREFP – VREFN的范围为0.5V~AVDD – AVSS,典型值为4.096V。 参考电压电路可以参考datasheet中的电路使用REF3125和OPA350.