TDA7433 datasheet(1/10 Pages) STMICROELECTRONICS

Numer części	TDA7433

Szczegółowy opis	BASIC FUNCTION AUDIO PROCESSOR

PDF	10 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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1 / 10 page

TDA7433

BASIC FUNCTION AUDIO PROCESSOR

TWO STEREO AND ONE MONO INPUTS

CONTROLLED

MUTE FUNCTION (SOFTWARE AND HARD-

WARE)

VOLUME CONTROL IN 1dB STEP

FOUR SPEAKER ATTENUATORS:

– Independentattenuation control

– Independentmute function

ALL

FUNCTIONS

PROGRAMMABLE

VIA

I

2CBUS

DESCRIPTION

The TDA7433 is a volume, tone (bass and treble)

balance (Left/Right) processor for quality audio

applications in car radio and Hi-Fi systems.

Control is accomplished by serial bus microproc-

essor interface.

The AC signal setting is obtained by resistor net-

works and switches combined with operational

amplifiers.

Thanks to the advanced BIPOLAR/CMOS Tech-

nology, the external components have been re-

duced.

November 1999

®

IN1_L

SUPPLY

VS

GND

VOL

BASS

TREBLE

D95AU354A

S BUS DECODER + LATCHES

SPKR

ATT

SPKR

ATT

VOL

BASS

TREBLE

SPKR

ATT

SPKR

ATT

SCL

SDA

RIGHT FRONT

RIGHT REAR

LEFT REAR

LEFT FRONT

IN1_R

MUX

MONO IN/MUTE

IN2_L

IN2_R

10

9

11

6

3

4

2

5

17

18

7

12

16

14

18

19

15

13

20

BINL

BOUTL

TRL

BINR

BOUTR

TRR

CREF

100nF

4.7K

2.7nF

100nF

2.7nF

4.7K

BLOCK DIAGRAM

SO20

ORDERING NUMBER: TDA7433D

1/10

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