SA5753 datasheet(2/15 Pages) PHILIPS

2 / 15 page

Philips Semiconductors

Product specification

SA5753

Audio processor – filter and control section

1997 Nov 07

853-1722 18666

DESCRIPTION

The SA5753 is a high performance low power CMOS audio signal

processing system especially designed to meet the requirements for

small size and low voltage operation of hand-held equipment. The

SA5753 subsystem includes complementary transmit/receive voice

band (300-3000Hz), switched capacitor bandpass filters with

pre-emphasis and de-emphasis respectively, a transmit low pass

filter, peak deviation limiter for transmit, digitally controlled

attenuators for signal level and volume control, audio path mute

switches, a programmable DTMF generator, power-down circuitry

for low current standby, power-on reset capability, and an I2C

interface. When the SA5753 is used with an SA5752 (companding

function), the complete audio processing system of an AMPS,

TACS, NAMPS or NTACS cellular telephone is easily implemented.

The system also meets the requirements of the proposed NAMPS or

NTACS specification, and can be used in cordless telephone

applications.

The SA5753 can be operated without the I2C bus interface by

pulling DFT (Pin 13) HIGH.

BENEFITS

• Very compact application

• Long battery life in portable equipment

• Complete cellular audio function with the SA5752

APPLICATIONS

• Cellular radio

• Mobile communications

• High performance cordless telephones

• 2-way radio

PIN CONFIGURATION

TXBFIN

PREMPIN

VOXCTL

HPDN

DEMPOUT

AUDIOIN

DFT

CLKIN

GND

TX MUTE

TXOUT

DK Package

TXBFOUT

VDD

SPKROUT

EAROUT

DATAIN

SDA

SCL

RX MUTE

SA5753

RX DEMODIN

SR00666

Figure 1. Pin Configuration

FEATURES

• Low 3V supply

• Miniature SSOP package

• Low power

• High performance

• Built-in programmable DTMF generator

• Built-in digitally controlled attenuators for modulation and volume

control

• Built-in peak-deviation limiter

• I2C Bus controlled

• Power-on reset

• Power down capability

• Programmable mute control

• Meets AMPS/TACS/NAMPS/NTACS requirements

ORDERING INFORMATION

DESCRIPTION

TEMPERATURE RANGE

ORDER CODE

DWG #

20-Pin Plastic Shrink Small Outline Package (SSOP)

-40 to +85

°C

SA5753DK

SOT266-1

ABSOLUTE MAXIMUM RATINGS

SYMBOL

PARAMETER

RATING

UNIT

VDD

Power supply voltage range

-0.3 to 6

VIN

Voltage applied to any other pin

-0.3 to VDD+0.3

Storage temperature

-65 to +150

Ambient operating temperature

-40 to +85

°C

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