BUY ULQ2003AD https://www.utsource.net/itm/p/1112997.html
DARLINGTON TRANSISTOR ARRAY
Description: ULQ2003AD is a low-power quad operational amplifier from Texas Instruments/STMicroelectronics. Features: - Low power consumption - Low input offset voltage - High input impedance - High common-mode rejection ratio - High output current - Low noise Applications: - Audio signal processing - Active filters - Instrumentation amplifiers - Motor control - Medical instrumentation - Portable/battery-powered equipment (For reference only)