4558

From NeoGeo Development Wiki
Jump to: navigation, search
4558.png

The 4558 is a dual high-gain operational amplifier chip commonly found as JRC 4558D or DA4558.

This opamp is used in some MVS and in some AES for the audio system.

On some boards this is replaced with a 4741 opamp.

Found in DILP-8 packages.

Pinout

4558sch.png