The MCP6421T-E/OTVAO from Microchip Technology is a Power Operational Amplifier with Supply Voltage 1.8 to 5.5 V, Input Offset Voltage -1 to 1 mV, Input Bias Current 800 pA, Quiescent Current 3 to 5.5 µA, Input Offset Current -1 to 1 pA. Tags: Surface Mount, General Purpose Op Amp. More details for MCP6421T-E/OTVAO can be seen below.