ABLIC's S-19630AB is a zero-drift operational amplifier with rail-to-rail input and output that uses chopper stabilization to provide low input bias voltage. It is a dual op amp (two circuits) for applications requiring less bias voltage, ideal for systems requiring highly accurate current sensing, such as linear solenoids.
The S-19630AB has the advantages of a zero-drift amplifier with a wide operating voltage range of 4.0 V to 36 V. Its low offset voltage is about 1/100 of that of a bipolar amplifier. Low bias voltage drift (temperature dependence of bias voltage) is about 1/10 that of an amplifier whose bias voltage is corrected by trimming, and about 1/100 that of a bipolar amplifier. The S-19630AB's high withstand voltage operation of 36v and rail-to-rail input enables direct connection to the battery for high-side current sensing.
