[sdiy] RC-4558

[Astbury Paul]

"The 4558 is a dual operational amplifier that is internally compensated.
Excellent channel separation allows the use of a dual device in a single amp
application, providing the highest packaging density. The NE/SA/SE4558 is a
pin-for-pin replacement for the RC/RM/RV4558. "
Quote from Phillips site http://www.semiconductors.philips.com/pip/NE_SA4558

Datasheet (for the Phillips part) also at this location.
Regards

Paul