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INA302-Q1: start up delay with REF tied to GND

Part Number: INA302-Q1
Other Parts Discussed in Thread: TINA-TI

Hi team,

I simulated the start up behavior using TINA-TI model on TI.com and found that there is about 150us start up delay

only when I connect REF to GND(this is my use case).

If I apply some reference voltage, then there is almost no delay.

Could you explain what is causing this delay?

Is this only seen on the simulation model? or does the real device behave the same?


regards,