BUY LM11CN https://www.utsource.net/itm/p/1507700.html
PRECISION OPERATIONAL AMPLIFIERS
The LM11CN is an 8-pin dual operational amplifier from National Semiconductor. It is a monolithic integrated circuit designed for general purpose applications. Features: * Low power consumption * High input impedance * Low noise * Low offset voltage * High gain Applications: * Active filters * Instrumentation amplifiers * Voltage followers * Signal conditioning * Differential amplifiers * Audio amplifiers * Motor control (For reference only)