Part Number: ADS131A04 Hi, In datasheet there is a phrase: The minimum ADC absolute input voltage range is –1.5 V with the negative charge pump enabled. The maximum analog supply limit (AVDD – AVSS) is restricted to 3.6 V maximum. Exceeding this limit can permanently damage the device. What limit are you talking about: about -1.5 V or 3.6 V or both? What happens if the input voltage is -2 V?
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