BUY ULQ2003AN https://www.utsource.net/itm/p/5364499.html
HIGH-VOLTAGE HIGH-CURRENT DARLINGTON TRANSISTOR ARRAY
The ULQ2003AN is a monolithic integrated circuit from Texas Instruments. It is a dual low-power operational amplifier designed for use in audio and general purpose applications. Features: Low quiescent current: 1.2 mA/amplifier Wide common-mode voltage range: 0 V to VCC 1.5 V Low input bias current: ±1 nA Low input offset voltage: ±1 mV High open-loop gain: 115 dB High slew rate: 0.5 V/μs Low noise: 5.5 nV/√Hz Applications: Audio applications Instrumentation amplifiers Active filters DC gain blocks Voltage followers Low-power applications (For reference only)