BUY L603C https://www.utsource.net/itm/p/1016490.html
DARLINGTON ARRAYS
The L603C is a monolithic integrated circuit manufactured by STMicroelectronics. It is a dual-channel, low-power, low-noise operational amplifier designed for use in audio applications. Features: * Low noise: 4.5nV/√Hz * Low power consumption: 1.2mA/channel * High slew rate: 1.2V/μs * High common-mode rejection ratio: 80dB * High input impedance: 10MΩ Applications: * Audio signal processing * Audio amplifiers * Active filters * Instrumentation amplifiers * Medical instrumentation * Industrial control systems (For reference only)