How much time can I turn off the sensor before to wait the burn in (20 minutes) , For example how many hours can I leave powered off the sensor before I need to wait 20 minutes again, for example if I disconnect the sensor at night and then power on again in the morning?
That would depend on the environment mostly; the burn-in phase is as the chip/components are warming up…so it’d happen again anytime the chip has equilibrated with room temp, which I’d guess is probably an hour or less after power-off :-/