SA577 datasheet(2/7 Pages) PHILIPS

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Philips Semiconductors

Product specification

SA577

Unity gain level programmable low power compandor

1997 Nov 07

853-1535 18666

DESCRIPTION

The SA577 is a unity gain level programmable compandor designed

for low power applications. The SA577 is internally configured as an

expandor and a compressor to minimize external component count.

FEATURES

• Operating voltage range: 1.8V to 7V

• Low power consumption (1.4mA @ 3.6V)

• 0dB level programmable (10mV

RMS to 1.0VRMS)

• Over 90dB of dynamic range

• Wide input/output swing capability (rail-to-rail)

• Low external component count

• SA577 meets cellular radio specifications

• ESD hardened

PIN CONFIGURATION

GCELLIN

RECTIN

EXPCAP

EXPOUT

VREF

GND

VCC

COMPCAP2

COMPIN

COMPCAP1

RECTIN

GCELLIN

COMPOUT

IREF

D Package

SR00716

Figure 1. Pin Configuration

APPLICATIONS

• High performance portable communications

• Cellular radio

• Cordless telephone

• Consumer audio

• Wireless microphones

• Modems

• Electric organs

• Hearing aids

• Automatic level control (ALC)

ORDERING INFORMATION

DESCRIPTION

TEMPERATURE RANGE

ORDER CODE

DWG #

14-Pin Plastic Small Outline (SO)

–40 to +85

°C

SA577D

SOT108-1

ABSOLUTE MAXIMUM RATINGS

SYMBOL

PARAMETER

RATING

UNITS

SYMBOL

PARAMETER

SA577

UNITS

VCC

Supply voltage

Operating ambient temperature range

–40 to +85

°C

TSTG

Storage temperature range

–65 to +150

°C

θJA

Thermal impedance

125

°C/W

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