This post explains for the OP AMP.
The Part Number is C4558C, UPC4558C. The package is DIP or SOP 8 pin.
The function of this semiconductor is Dual Operational Amplifier.
Manufacturer: NEC
Images
Description
A high-performance dual operational amplifier refers to an integrated circuit (IC) that contains two independent operational amplifiers (op-amps) within a single package. These op-amps are designed to provide superior performance and characteristics, making them suitable for a wide range of precision analog applications.
The C4558C is a dual type operational amplifier having internal phase compensating circuits, its electrical characteristics features higher speed, broader bandwidth, and low noise compared with such conventional general purpose operational amplifier as uPC741.
High-performance dual operational amplifiers find applications in precision instrumentation, audio equipment, medical devices, data acquisition systems, communication systems, and other circuits requiring accurate signal amplification and processing.
Features
1. Internal frequecny compensation
2. Low noise
3. Ouput short circuit protection
C4558C PDF Datasheet
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