TDA7429T datasheet(1/20 Pages) STMICROELECTRONICS

No de pièce	TDA7429T

Description	DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX

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TDA7429S

TDA7429T

DIGITALLY CONTROLLED AUDIO PROCESSOR

WITH SURROUND SOUND MATRIX

3 STEREO/4 STEREO INPUTS

INPUT ATTENUATION CONTROL IN 0.5dB

STEP

TREBLE MIDDLE AND BASS CONTROL

THREE SURROUND MODES ARE AVAIL-

ABLE:

- MUSIC: 4 SELECTABLE RESPONSES

- MOVIE AND SIMULATED:

256 SELECTABLE RESPONSES

FOUR SPEAKERS ATTENUATORS:

- 4 INDEPENDENT SPEAKERS CONTROL

IN 1dB STEPS FOR BALANCE FACILITY

- INDEPENDENT MUTE FUNCTION

ALL FUNCTIONS PROGRAMMABLE VIA SE-

RIAL BUS

DESCRIPTION

The TDA7429 is volume tone (bass middle and

treble) balance (Left/Right) processors for quality

audio applications in TV and Hi-Fi systems.

It reproduces surround sound by using program-

mable phase shifters and a signal matrix. Control

of all the functions is accomplished by serial bus.

The AC signal setting is obtained by resistor net-

works and switches combined with operational

amplifiers.

Thanks to the used BIPOLAR/CMOS Technology,

Low Distortion, Low Noise and DC stepping are

obtained.

July 1999

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VAR_L

REARIN

REAROUT

HP1

LP1

HP2.

BASS_LI

BASS_LO

BASSO_R

BASSO_L

VAR_R

L_IN4

AUXOUT_L

AUXOUT_R

R_OUT

DIG_GND

L_OUT

MONITOR_L

MONITOR_R

L_IN1

L_IN3

L_IN2

D96AU532

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PIN CONNECTION (TQFP44)

ORDERING NUMBERS:

TDA7429S

TDA7429T

SDIP42

TQFP44

®

1/20

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