M52743SP Datasheet, PDF (1/19 Pages) Mitsubishi Electric Semiconductor – I 2 C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER

MITSUBISHI ICs (Monitor)
M52743SP/M52744SP
I²C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER
DESCRIPTION
M52743SP and M52744SP is semiconductor integrated circuit for
CRT display monitor.
It includes OSD blanking, OSD mixing, retrace blanking, wide band
amplifre, brightness control.
Main/sub contrast and OSD adjust function can be controlled by I²C
bus.
FEATURES
• Frequency band width: RGB.............................150MHz (at -3dB)
OSD..............................................80MHz
Input :RGB.............................................................0.7VP-P (typ.)
OSD..........................................3VP-P minimum (positive)
BLK (for OSD)...........................3VP-P minimum (positive)
Retrace BLK.............................3VP-P minimum (positive)
Output :RGB...........................................................5.5VP-P (max.)
OSD..............................................................5VP-P (max.)
• Main contrast and sub contrast can be controlled by I²C bus.
• Include internal and external pedestal clamp circuit.
STRUCTURE
Bipola silicon monolisic IC
APPLICATION
CRT display monitor
RECOMMENDED OPERATING CONDITION
Supply voltage range......................11.5 to 12.5V (V3, V8, V12, V36)
4.5 to 4.4V (V17)
Rated supply voltage..................................12.0V (V3, V8, V12, V36)
5.0V (V17)
MAJOR SPECIFICATION
Bus controlled 3ch video pre-amp with OSD mixing function and
retrace blanking function
PIN CONFIGURATION (TOP VIEW)
OSD BLK IN 1
INPUT(R) 2
VCC1(R) 3
OSD IN(R) 4
GND 1(R) 5
INPUT(G) 6
INPUT(SOG) 7
VCC1(G) 8
OSD IN(G) 9
GND 1(G) 10
INPUT(B) 11
VCC1(B) 12
OSD IN(B) 13
GND 1(B) 14
ABL IN 15
NC 16
VCC (5V) 17
SOG SEP OUT 18
36 VCC2
35 OUTPUT(R)
34 EXT FEED BACK(R)
33 GND2
32 OUTPUT(G)
31 EXT FEED BACK(G)
30 MAIN BRIGHTNESS
29 OUTPUT(B)
28 EXT FEED BACK(B)
27 RETRACE BLK IN
26 D/A OUT1
25 D/A OUT2
24 D/A OUT3
23 D/A OUT4
22 GND(5V)
21 SDA
20 SCL
19 CLAMP PULSE IN
Outline 36P4E
NC:NO CONNECTION
1