SLVS969G october 2009 – august 2023 TL331-Q1 , TL331B-Q1 , TL391B-Q1
PRODMIX
The TL331-Q1 operates solely as a voltage comparator, comparing the differential voltage between the positive and negative pins and outputting a logic low or high impedance (logic high with pull-up) based on the input differential polarity.