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How to deal with unused channel input pin of INA3221

Other Parts Discussed in Thread: INA3221

Hi,

I have one question from customer about INA3221.

How to deal with unused channel of INA3221? Below description is based on power-valid alert consideration, if not considering any register, how to connect unused IN+/IN- pin? Should IN+/IN- be left floating or connected to GND with a 1k resistor?

Thanks.

Johnny