●General Description
Normal BA4558 and high-reliability BA4558R integrate two independent Op-Amps on a single chip Especially, this series is
suitable for any audio applications due to low noise and low distortion characteristics and are usable for other many
applications by wide operating supply voltage range.BA4558R is high-reliability products with extended operating
temperature range and high ESD tolerance.

●Features
 High voltage gain, low noise, low distortion
 Wide operating supply voltage
 Internal ESD protection
 Wide operating temperature Range