The ICL7650SCBA-1ZT from Renesas is a Power Operational Amplifier with Supply Voltage 18 V, Input Offset Voltage -8 to 8 uV, Input Bias Current 4 to 20 pA, Input Offset Current 8 to 40 pA, Input Current Noise 0.01 pA/vHz. Tags: Surface Mount, Zero Drift Op Amp. More details for ICL7650SCBA-1ZT can be seen below.