BUY LM224N https://www.utsource.net/itm/p/34953.html
QUAD DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS
Description: LM224N is a 14-pin dual operational amplifier from STMicroelectronics.
Features:
* Low power consumption
* Wide supply voltage range (3V to 32V)
* High input impedance
* Low noise
* High slew rate
* Low offset voltage
Applications: LM224N is used in a wide range of applications such as signal conditioning, active filters, audio amplifiers, and motor control. It is also used in medical devices, instrumentation, and industrial control systems.
(For reference only)