BUY CA3420E https://www.utsource.net/itm/p/442774.html

The CA3420E is a dual operational amplifier from Harris Semiconductor. It is a monolithic integrated circuit with two independent, high-gain, internally frequency-compensated operational amplifiers. Features: * Low power consumption * High gain bandwidth product * Low input offset voltage * Low input bias current * Low input offset current * Low output saturation voltage * High common-mode rejection ratio Applications: * Active filters * Voltage followers * Instrumentation amplifiers * Differential amplifiers * Integrators * Sample-and-hold circuits * Peak detectors * Pulse-width modulators * Voltage regulators (For reference only)