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ADS125H02: ADS125H02电源异常

GE BAOSHAN
Prodigy 180 points

Part Number: ADS125H02

我给ADS125H02施加的电源是DVDD=3.3V，AVDD=5V，结果发现DVDD变成了4.1V。这是为什么呢？我断开DVDD供电，单独测量为3.3V，供电正常，但一加到ADS125H02上，就变成了4.1V。我把AVDD不加电的话，DVDD为3.3V，正常。