TEA6425 データシートの表示（PDF） - STMicroelectronics

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TEA6425

VIDEO CELLULAR MATRIX

STMicroelectronics 

TEA6425

VIDEO CELLULAR MATRIX

s 6 Video Inputs - 8 Video Outputs

s 2 Internal Selectable YC Adders

s 15MHz Bandwidth @ -3dB

s Selectable 0.5/6.5dB Gain FOR EACH Output

s High Impedance Switch for each Output (3-

state operation)

s Programmable Clamp Mode on each Input

(sync bottom or average value)

s -60dB Crosstalk @ 5MHz

s 4 Sub-address Capability

s I2C Bus Control

DIP20

(Plastic Package)

ORDER CODE: TEA6425

DESCRIPTION

This device is intended for switching between vid-

eo and chroma signals such as CVBS, SVHS,

baseband CVBS, MAC. Each input clamp mode,

each output gain, all switching are controlled

through the I2C bus. The 8 outputs can be set sep-

arately in high impedance state, to enable parallel

DC connection of several devices (up to 4).

Figure 1. Pin Connections

SO20L

(Plastic Micropackage)

ORDER CODE: TEA6425D

IN 1

1

SDA

2

IN 2

3

SCL

4

IN 3

5

IN 4

6

SUB

7

IN 5

8

VCCP

9

IN 6

10

20

VCC

19

OUT 1

18

OUT 2

17

OUT 3

16

OUT 4

15

OUT 5

14

OUT 6

13

OUT 7

12

OUT 8

11

GND

September 2003

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