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Part Name
Description
M52743BSP View Datasheet(PDF) - Renesas Electronics
Part Name
Description
Manufacturer
M52743BSP
I2C BUS Controlled 3-Channel Video Preamplifier
Renesas Electronics
M52743BSP Datasheet PDF : 26 Pages
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M52743BSP
Block Diagram
OSD IN (R) 4
INPUT (R) 2
V
CC1
(R) 12 V 3
GND1 (R) 5
OSD IN (G) 9
Clamp
INPUT (G) 6
V
CC1
(G) 12 V 8
GND1 (G) 10
Clamp
OSD IN (B)
13
INPUT (B) 11
Clamp
V
CC1
(B) 12 V 12
GND1 (B) 14
CONTRAST 15
(ABL) IN
INPUT (SOG) 7
SOG SEP OUT 18
Sync on
Green Sep
19
CLAMP
PULSE
IN
Sub
contrast
Sub Cont
(8 bit)
Main
contrast
OSD Mix
MAIN
BRIGHTNESS
30
RETRACE
BLK IN
27
Amp
Retrace
blanking
35 OUTPUT (R)
Clamp
F/B
34 EXT
FEED BACK (R)
Sub
contrast
Sub Cont
(8 bit)
Main
contrast
OSD Mix
Amp
Clamp
F/B
Retrace
blanking
32 OUTPUT (G)
31
EXT
FEED BACK (G)
Sub
contrast
Sub Cont
(8 bit)
Main
contrast
OSD Mix
Amp
Main
contrast
8 bit
OSD
level 4 bit
Clamp
F/B
R Sub Cont 8 bit
G Sub Cont 8 bit
B Sub Cont 8 bit
DAC
Retrace
blanking
BUS
I/F
36
33
1
V
CC2
GND2 OSD
= 12 V
BLK IN
23 24 25 26
DAC OUTPUT
FOR CUT-OFF Adj
29 OUTPUT (B)
28
EXT
FEED BACK (B)
17
V
CC
5 V
(DIGITAL)
21 SDA
20 SCL
22
GND (5V)
REJ03F0193-0201 Rev.2.01 Mar 31, 2008
Page 2 of 25
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