st5092 STMicroelectronics, st5092 Datasheet

st5092

Manufacturer Part Number

st5092

Description

2.7v Supply 14-bit Linear Codec With High-performance Audio Front-end

Manufacturer

STMicroelectronics

Datasheet

1.ST5092.pdf (29 pages)

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FEATURES:

Complete CODEC and FILTER system including:

Phone Features:

General Features:

June 1997

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

DIGITAL TO ANALOG CONVERTERS.

AND DIGITAL TO ANALOG CONVERTERS

A-LAW OR -LAW.

PLIFIER INPUTS. GAIN PROGRAMMABLE:

20 dB PREAMP. (+MUTE), 0 . . 22.5 dB AM-

PLIFIER, 1.5 dB STEPS.

PROGRAMMABLE: 0 . . 30 dB, 2 dB STEPS.

POWER ON

SWITCHING.

CIRCUIT. ATTENUATION PROGRAMMABLE:

16 dB RANGE, 1 dB STEP. ROUTING POSSI-

BLE TO BOTH OUTPUTS.

CLUDING DTMF TONES, SINEWAVE OR

SQUAREWAVE

ATION PROGRAMMABLE: 27dB RANGE,

3dB STEP. THREE FREQUENCY RANGES:

a) 3.9Hz . . . . 996Hz, 3.9Hz STEP

b) 7.8Hz . . . . 1992Hz, 7.8Hz STEP

c) 15.6Hz . . . . 3984Hz, 15.6Hz STEP

LATED BUZZER DRIVER OUTPUT.

TION (*) -40 C to 85 C.

TERFACE MICROWIRE COMPATIBLE.

14 BIT LINEAR ANALOG TO DIGITAL AND

8 BIT COMPANDED ANALOG TO DIGITAL

TRANSMIT AND RECEIVE BAND-PASS FILTERS

ACTIVE ANTIALIAS NOISE FILTER.

THREE SWITCHABLE MICROPHONE AM-

EARPIECE AUDIO OUTPUT. ATTENUATION

EXTERNAL AUDIO OUTPUT. ATTENUATION

TRANSIENT SUPRESSION SIGNAL DURING

INTERNAL

INTERNAL RING OR TONE GENERATOR IN-

PROGRAMMABLE PULSE WIDTH MODU-

SINGLE 2.7V to 3.6V SUPPLY

EXTENDED TEMPERATURE RANGE OPERA-

1.5 W STANDBY POWER (TYP. AT 3.0V).

15mW OPERATING POWER (TYP. AT 3.0V).

13mW OPERATING POWER (TYP. AT 2.7V).

CMOS COMPATIBLE DIGITAL INTERFACES.

PROGRAMMABLE PCM AND CONTROL IN-

PROGRAMMABLE

AND DURING AMPLIFIER

WITH HIGH-PERFORMANCE AUDIO FRONT-END

WAVEFORMS.

SIDETONE

ATTENU-

2.7V SUPPLY 14-BIT LINEAR CODEC

APPLICATIONS:

(*) Functionality guaranteed in the range – 40 C to +85 C;

GENERAL DESCRIPTION

ST5092 is a high performance low power combined

PCM CODEC/FILTER device tailored to implement

the audio front-end functions required by the next

generation low voltage/low power consumption

digital terminals.

ST5092 offers a number of programmable func-

tions accessed through a serial control channel that

easily interfaces to any classical microcontroller.

The PCM interface supports both non-delayed (nor-

mal and reverse) and delayed frame synchroniza-

tion modes.

ST5092 can be configurated either as a 14-bit lin-

ear or as an 8-bit companded PCM coder.

Additionally to the CODEC/FILTER function,

ST5092 includes a Tone/Ring/DTMF generator, a

sidetone generation, and a buzzer driver output.

ST5092 fulfills and exceeds D3/D4 and CCITT rec-

ommendations and ETSI requirements for digital

handset terminals.

Main applications include digital mobile phones, as

cellular and cordless phones, or any battery pow-

ered equipment that requires audio codecs operat-

ing at low single supply voltages

ST5092AD

ST5092ADTR

ST5092TQFP

ST5092TQFPTR

– 30 C to +85 C.

Timing and Electrical Specifications are guaranteed in the range

GSM DIGITAL CELLULAR TELEPHONES.

CT2 DIGITAL CORDLESS TELEPHONES.

DECT DIGITAL CORDLESS TELEPHONES.

BATTERY OPERATED AUDIO FRONT-ENDS

FOR DSPs.

TQFP44(10x10x1.4)

ORDERING NUMBERS:

SO28

TQFP44

Package

10x10x1.4

PRELIMINARY DATA

Dim.

ST5092

SO28

Tube

Tape&Reel

Tray 8x20

Tape&Reel

Cond.

1/29

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