TEA6425(1996) Просмотр технического описания (PDF) - STMicroelectronics
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TEA6425 Datasheet PDF : 9 Pages
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. 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
. I2C BUS CONTROL
TEA6425
VIDEO CELLULAR MATRIX
DIP20
(Plastic Package)
ORDER CODE : TEA6425
DESCRIPTION
This device is intended for switching between video
and chroma signals such as CVBS, SVHS, base-
band CVBS, MAC. Each input clamp mode, each
output gain, all switching are controlled through the
I2C bus. The 8 outputscan be set separatelyin high
impedance state, to enable parallel DC connection
of several devices (up to 4).
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
May 1996
1/9
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