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hi all，
ADS1258 可以用REF5025供电吗？ REF5025供±2.5V ，同时做参考电压，是否可以
参考电压的驱动能力很差，可以给ADC做基准参考。
ADS1258的demo板上采用的是100mA的LDO，TPS79225.
