M52743BSP
I
2
C BUS Controlled 3-Channel Video Preamplifier
REJ03F0193-0201
Rev.2.01
Mar 31, 2008
Description
M52743BSP is semiconductor integrated circuit for CRT display monitor.
It includes OSD blanking, OSD mixing, retrace blanking, wide band amplifier, brightness control.
Main/sub contrast and OSD adjust function can be controlled by I
2
C BUS.
Features
•
Frequency band width: RGB
150 MHz (at
−3
dB)
OSD
80 MHz
Input: RGB
0.7 V
P-P
(typ.)
OSD
3 V
P-P
min. (positive)
BLK (for OSD)
3 V
P-P
min. (positive)
Retrace BLK
3 V
P-P
min. (positive)
Output: RGB
5.5 V
P-P
(max.)
OSD
5 V
P-P
(max.)
•
Main contrast and sub contrast can be controlled by I
2
C BUS.
•
Include internal and external pedestal clamp circuit.
Application
CRT display monitor
Recommended Operating Condition
Supply voltage range:
11.5 to 12.5 V (V3, V8, V12, V36)
4.5 to 4.4 V (V17)
Rated supply voltage:
12.0 V (V3, V8, V12, V36)
5.0 V (V17)
Major Specification
BUS controlled 3ch video pre-amp with OSD mixing function and retrace blanking function
REJ03F0193-0201 Rev.2.01 Mar 31, 2008
Page 1 of 25
RENESAS [ RENESAS TECHNOLOGY CORP ]
