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求推荐配套ADS1247芯片的电压参考源?

Other Parts Discussed in Thread: REF5020, ADS1247, REF5025, INA333

最近打算用ADS1247芯片进行小信号(0-20mV)采集 ,工作电压5V,为避免干扰,不想采用运放进行信号放大,而是想直接进行采集,请问TI专家,在利用ADS1247设计电路时应该注意哪些方面呢?还有,能不能帮忙推荐一款TI的电压基准芯片呢?非常感谢!另外,不知道REF5020能否满足要求呢?