The APX321SEG-7 from Diodes Incorporated is a Power Operational Amplifier with Supply Voltage 2.5 to 5.5 V, Input Offset Voltage 1.7 to 9 mV, Input Bias Current 10 to 500 nA, Input Offset Current 5 to 150 nA, Input Offset Voltage Drift 5 µV/°C. Tags: Surface Mount. More details for APX321SEG-7 can be seen below.