The SA575 is a precision dual gain control circuit designed for low voltage applications. The SA575’s channel 1 is an expandor, while channel 2 can be configured either for expandor, compressor, or automatic level controller (ALC) application.

FEATUREs
•Operating Voltage Range from 3.0 V to 7.0 V
•Reference Voltage of 100 mVRMS= 0 dB
•One Dedicated Summing Op Amp Per Channel and Two Extra Uncommitted Op Amps
•600 Drive Capability
•Single or Split Supply Operation
•Wide Input/Output Swing Capability
•Pb−Free Packages are Available

APPLICATIONs
•Portable Communications
•Cellular Radio
•Cordless Telephone
•Consumer Audio
•Portable Broadcast Mixers
•Wireless Microphones
•Modems
•Electric Organs
•Hearing Aids