TDA7319 datasheet(1/16 Pages) STMICROELECTRONICS

Numer części	TDA7319

Szczegółowy opis	3 BAND DIGITAL CONTROLLED AUDIO PROCESSOR

PDF	16 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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TDA7319

3 BAND DIGITAL CONTROLLED AUDIO PROCESSOR

ONE STEREO INPUT

ONE STEREO OUTPUT

TWO INDEPENDENT VOLUME CONTROL IN

1.0dB STEPS

TREBLE, MIDDLE AND BASS CONTROL IN

1.0dB STEPS

ALL FUNCTIONS PROGRAMMABLE VIA SE-

RIAL I

2 CBUS

DESCRIPTION

The TDA7319 is a volume and tone (bass , mid-

dle and treble) processor for quality audio appli-

cation in car radio and Hi-Fi system.

Control is accomplished by serial I

2C bus micro-

processor interface.

The AC signal setting is obtained by resistor net-

works and switches combined with operational

amplifiers.

Thanks to the used BIPOLAR/MOS Technology,

Low Distortion, Low Noise and Low Dc stepping

are obtained.

May 1995

C1 2.2

µF

C2 2.2

µF

L

R

1st VOL

TREBLE

SERIAL BUS DECODE & LATCHES

MIDDLE

BASS

2nd VOL

MIDDLE

BASS

SUPPLY

OUT L

SCL

SDA

DIGGND

OUT R

TREBLE(R)

MOUT(R)

MIN(R)

BOUT(R)

BIN(L)

C4

5.6nF

C7

15nF

C8

22nF

C11

100nF

C12

100nF

CREF

AGND

VS

CREF

10

µF

I2C

BUS

C3

5.6nF

MOUT(L)

TREBLE(L)

MIN(L)

BOUT(L)

BIN(L)

C5

15nF

C6

22nF

C9

100nF

C10

100nF

R1

2.7K

R3

5.6K

R2

2.7K

R4

5.6K

D93AU042E

2

19

1

12

20

18

17

16

15

14

13

11

9

10

8

7

6

5

4

3

BLOCK DIAGRAM AND APPLICATION CIRCUIT

ORDERING NUMBERS: TDA7319 (DIP20)

TDA7319D (SO20)

DIP20

SO20

1/16

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