The MCP6441T-E/LT from Microchip Technology is a Power Operational Amplifier with Supply Voltage 1.4 to 6 V, Input Offset Voltage -4.5 to 4.5 mV, Input Bias Current 400 pA, Quiescent Current 0.25 to 0.65 µA, Input Offset Current -1 to 1 pA. Tags: Surface Mount, General Purpose Op Amp. More details for MCP6441T-E/LT can be seen below.