SA571 Series

Compandor

Catalog

Compandor

Part	Package / Case [x]	Package / Case	Package / Case [y]	Supplier Device Package	Mounting Type	Function	Package / Case	Package / Case	Specifications	Applications	Interface	Operating Temperature [Max]	Operating Temperature [Min]	Number of Channels [custom]	Voltage - Supply [Max]	Voltage - Supply [Min]
ON Semiconductor SA571D	0.295 in	16-SOIC	7.5 mm	16-SOIC	Surface Mount
ON Semiconductor SA571N		16-DIP		16-PDIP	Through Hole	Compandor	0.3 in	7.62 mm	110 dB	Consumer Audio Telecommunication Systems	Analog	85 °C	-40 °C	2	18 V	6 V
ON Semiconductor SA571DR2G	0.295 in	16-SOIC	7.5 mm	16-SOIC	Surface Mount	Compandor			110 dB	Consumer Audio Telecommunication Systems	Analog	85 °C	-40 °C	2	18 V	6 V

Catalog

Compandor

Key Features

• Complete Compressor and Expandor in one IC

• Temperature Compensated

• Greater than 110 dB Dynamic Range

• Operates Down to 6.0 VDC

• System Levels Adjustable with External Components

• Distortion may be Trimmed Out

• Dynamic Noise Reduction Systems

• Voltage−controlled Amplifier

Description

The SA571 Compandor is a versatile low cost dual gain control circuit in which either channel may be used as a dynamic range compressor or expandor. Each channel has a full-wave rectifier to detect the average value of the signal, a linerarized temperature-compensated variable gain cell, and an operational amplifier. The SA571 is well suited for use in cellular radio and radio communications systems, modems, telephone, and satellite broadcast/receive audio systems.