The OA2ZHA34S from STMicroelectronics is a Power Operational Amplifier with Supply Voltage 1.8 to 5.5 V, Input Offset Voltage 1 to 8 µV, Input Bias Current 50 to 300 pA, Input Offset Current 100 to 600 pA, Input Offset Voltage Drift 10 to 30 nV/°C. Tags: Surface Mount, Low Power Op Amp. More details for OA2ZHA34S can be seen below.