ON Semiconductor's NCS333 family of high precision op amps feature very low input offset voltages and near-zero drift over time and temperature. These low quiescent current amplifiers have high impedance inputs with a common-mode range 100 mV beyond the rails as well as rail-to-rail output swings within 50 mV of the rails. These op amps operate over a wide supply range from 1.8 V to 5.5 V. The NCS333 family exhibits outstanding CMRR without the crossover associated with traditional complementary input stages. The NCS333, as well as the dual version, NCS2333, and the quad version, NCS4333, come in a variety of packages and pinouts.