The LMV324DR2G is a low-voltage quad CMOS Operational Amplifier with rail-to-rail output swing. Rail-to-rail operation provides improved signal-to-noise performance. Ultra low quiescent current makes this series of amplifier ideal for battery operated equipment. The common-mode input range includes ground making the device useful for low-side current-shunt measurements. It allow for placement on the PCB in close proximity to the signal source thereby reducing noise pickup.