TDA9203 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA9203

I²C BUS CONTROLLED 70MHz RGB PREAMPLIFIER

STMicroelectronics 

TDA9203A

PIN DESCRIPTION

Name

IN1

OSD1

AVDD

IN2

OSD2

AGND

IN3

OSD3

ABL

LGND

SDA

SCL

Pin Type

Fun ction

1

I 1st Channel Main Picture Input

2

I 1st Channel OSD Input

3

I 12V Analog VDD

4

I 2nd Channel Main Picture Input

5

I 2nd Channel OSD Input

6 I/O Analog Ground

7

I 3rd Channel Main Picture Input

8

I 3rd Channel OSD Input

9

I ABL Input

10 I/O Logic Ground

11 I/O Serial Data Line

12 I Serial Clock Line

Name Pin Type

Function

FBLK 13 I Fast Blanking Input

BLK 14

PGND3 15

OUT3 16

PVCC3 17

PGND2 18

OUT2 19

PVCC2 20

PGND1 21

OUT1 22

PVCC1 23

HSYNC 24

I Blanking Input

I/O 3rd Channel Power Ground

O 3rd Channel Output

I 3rd Channel Power VCC

I/O 2nd Channel Power Ground

O 2nd Channel Output

I 2nd Channel Power VCC

I/O 1st Channel Power Ground

O 1st Channel Output

I 1st Channel Power VCC

I Horizontal Synch Input

BLOCK DIAGRAM

BLK

14

FBLK

13

PVCC1

23

CLAMP

AVDD 3

VREF

CONTRAST

IN1 1

AGND 6

IN2 4

BLUE CHANNEL

IN3 7

GREEN CHANNEL

ABL 9

LGND 10

BPCP

LATCHES

I2C

BUS D/A

DECODER

OSD

CONT

TDA9203A

24

11

12

HSYNC SDA SCL

2

OSD1

BRIGHTNESS

DRIVE

BPCP

OUTPUT

STAGE

8 bits

22 OUT1

21 PGND1

20 PVCC2

19 OUT2

18 PGND2

16 OUT3

17 PVCC3

15 PGND3

5

OSD2

I2C

8

OSD3

VREF

OUTPUT

DC LEVEL

ADJUST

2/13

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