Package: SOP-8
Manufacturer: ST/NS

Description:
The LM4558 is a dual operational amplifier from ST/NS. It is a high performance, low power, low noise, wide bandwidth, and low distortion device. The LM4558 is designed to provide excellent performance in a variety of audio applications.

Features:

Wide bandwidth: 1.5MHz

Low distortion: 0.0008%

Low noise: 5nV/√Hz

Low power consumption: 1.2mA

High slew rate: 16V/μs

Low input bias current: 10pA

High output current: 40mA

High common mode rejection ratio: 90dB

High input impedance: 10MΩ

High output voltage swing: ±13V

Applications:

Audio preamplifiers

Audio power amplifiers

Audio mixers

Audio filters

Audio signal processing

Audio signal routing

Audio signal conditioning

Audio signal conditioning(For reference only)
https://www.utsource.net/itm/p/35746.html