DESCRIPTION
The NE/SA575A is a precision dual gain control circuit designed for low voltage applications. The NE/SA575A’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 2V to 7V
• Reference voltage of 100mVRMS = 0dB
• One dedicated summing op amp per channel and two extra uncommitted op amps
• 600Ω drive capability
• Single or split supply operation
• Wide input/output swing capability
• 3000V ESD protection

APPLICATIONS
• Portable communications
• Cellular radio
• Cordless telephone
• Consumer audio
• Portable broadcast mixers
• Wireless microphones
• Modems
• Electric organs
• Hearing aids