As their names suggest, single-supply op amps aim to operate with one power supply, and their dual counterparts aim to operate with two power supplies.

Therefore, it is often a practical necessity to power op-amp circuits from a single polarity supply. But single-supply operation has its drawbacks: It requires additional passive components in each ...

With its typical 160-nA supply current, the single-channel LMR1901YG-M has the company claiming the title to lowest-power general-purpose op amp, reducing power by 38% over the nearest competitor.