BUY LTC1044CN8 https://www.utsource.net/itm/p/11254179.html

Description: The LTC1044CN8 is a low power, monolithic, 8-pin CMOS dual operational amplifier. Features: Low Power: 1.5mA/Amplifier Wide Supply Range: 2.5V to 16V Low Input Offset Voltage: 250μV Low Input Bias Current: 0.1nA Low Input Offset Current: 0.1nA Low Output Saturation Voltage: 0.2V High Open Loop Gain: 100dB High Slew Rate: 0.5V/μs High Common Mode Rejection: 90dB Applications: Audio Systems Instrumentation Active Filters High Impedance Buffers Voltage Follower Precision Timing Circuits Precision Rectifiers Sample and Hold Circuits Differential Amplifiers (For reference only)