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TEA6425_03 Datasheet

  • TEA6425_03

  • VIDEO CELLULAR MATRIX

  • 10頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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TEA6425
VIDEO CELLULAR MATRIX
s
s
s
s
s
s
s
s
s
6 Video Inputs - 8 Video Outputs
2 Internal Selectable YC Adders
15MHz Bandwidth @ -3dB
Selectable 0.5/6.5dB Gain FOR EACH Output
High Impedance Switch for each Output (3-
state operation)
Programmable Clamp Mode on each Input
(sync bottom or average value)
-60dB Crosstalk @ 5MHz
4 Sub-address Capability
I
2
C 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 I
2
C bus. The 8 outputs can be set sep-
arately in high impedance state, to enable parallel
DC connection of several devices (up to 4).
SO20L
(Plastic Micropackage)
ORDER CODE: TEA6425D
Figure 1. Pin Connections
IN 1
SDA
1
20
V
CC
OUT 1
2
3
4
5
6
19
18
17
16
15
IN 2
SCL
IN 3
IN 4
SUB
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
7
8
9
10
14
13
12
11
IN 5
V
CCP
IN 6
OUT 7
OUT 8
GND
September 2003
1/10
6425-01.eps
1

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