Product Summary

The SA571D is a Compandor. The SA571D 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 SA571D is well suited for use in cellular radio and radio communications systems, modems, telephone, and satellite broadcast/receive audio systems. The applications of the SA571D include Cellular radio, High level limiter, Low level expandor—noise gate, Dynamic filters and CD Player.

Parametrics

SA571D absolute maximum ratings: (1)Maximum operating voltage: 18 VDC; (2)Operating ambient temperature range: -40 to +85 ℃; (3)Power dissipation: 400 mW.

Features

SA571D features: (1)Complete compressor and expandor in one IChip; (2)Temperature compensated; (3)Greater than 110dB dynamic range; (4)Operates down to 6VDC; (5)System levels adjustable with external components; (6)Distortion may be trimmed out; (7)Dynamic noise reduction systems; (8)Voltage-controlled amplifier.

Diagrams

SA571D block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
SA571D
SA571D
ON Semiconductor
Audio Amplifiers Dual Gain Compandor
Data Sheet
Negotiable 
SA571DG
SA571DG
ON Semiconductor
Audio Amplifiers Dual Gain Compandor Industrial Temp
Data Sheet
0-1: $3.36
1-25: $2.70
25-100: $2.45
100-500: $1.99
SA571DR2
SA571DR2
ON Semiconductor
Audio Amplifiers Dual Gain Compandor
Data Sheet
Negotiable 
SA571DR2G
SA571DR2G
ON Semiconductor
Audio Amplifiers Dual Gain Compandor Industrial Temp
Data Sheet
0-490: $2.45
490-500: $1.99
500-1000: $1.68
1000-2000: $1.59