Hi Jonjan, Thanks for your information. You mentioned the CH3 is used to measure the supercap voltage, but none of the signals in these circuit are connected to the ADC's input (A3_P and A3_N), so it is hard to understand how the ADC could affect the TLV3491. As I recommended, it would be good if you can post it to the amplifier forum so the experts of the amplifier/comparator team can look at the circuit of TLV and help you. BR, Dale
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