M52742ASP Preamp Datasheet

M52742ASP Datasheet, PDF, Equivalent


Part Number

M52742ASP

Description

BUS Controlled 3-Channel Video Preamp

Manufacture

Renesas

Total Page 27 Pages
Datasheet
Download M52742ASP Datasheet


M52742ASP
M52742ASP
BUS Controlled 3-Channel Video Preamp for CRT Display Monitor
REJ03F0192-0201
Rev.2.01
Mar 31, 2008
Description
M52742ASP is semiconductor integrated circuit for CRT display monitor.
It includes OSD blanking, OSD mixing, retrace blanking, wide band amplifier, brightness control, uniformity function.
Main/sub contrast and OSD adjust function can be controlled by I2C BUS.
Features
Frequency band width: RGB
200 MHz (at 3 dB)
OSD
80 MHz
Input: RGB
0.7 VP-P (typ.)
OSD
3 VP-P min. (positive)
BLK (for OSD)
3 VP-P min. (positive)
Retrace BLK
3 VP-P min. (positive)
Output: RGB
5.5 VP-P (max.)
OSD
5 VP-P (max.)
Main contrast and sub contrast can be controlled by I2C 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 5.5 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
REJ03F0192-0201 Rev.2.01 Mar 31, 2008
Page 1 of 26

M52742ASP
M52742ASP
Block Diagram
OSD IN (R) 4
MAIN
BRIGHTNESS
30
RETRACE
BLK IN
27
INPUT (R) 2
VCC1 (R) 12 V 3
GND1 (R) 5
OSD IN (G) 9
Clamp
INPUT (G) 6
VCC1 (G) 12 V 8
GND1 (G) 10
Clamp
OSD IN (B) 13
INPUT (B) 11
Clamp
VCC1 (B) 12 V 12
GND1 (B) 14
CONTRAST 15
(ABL) IN
INPUT (SOG) 7
SOG SEP OUT 18
Sync on
Green Sep
Sub
contrast
Sub Cont
(8 bit)
Main
contrast
OSD Mix
Amp
Clamp
F/B
Sub
contrast
Sub Cont
(8 bit)
Main
contrast
OSD Mix
Amp
Clamp
F/B
Sub
contrast
Sub Cont
(8 bit)
Main
contrast
Main
contrast
8 bit
OSD Mix
Amp
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
35 OUTPUT (R)
34 EXT
FEED BACK (R)
Retrace
blanking
32 OUTPUT (G)
31 EXT
FEED BACK (G)
Retrace
blanking
29 OUTPUT (B)
BUS
I/F
28 EXT
FEED BACK (B)
17
VCC 5 V
(DIGITAL)
21 SDA
20 SCL
22 GND (5 V)
19
CLAMP
PULSE
IN
16 36 33 1
UNIFORMITY VCC2 GND2 OSD
IN = 12 V
BLK IN
23 24 25 26
DAC OUTPUT
FOR CUT-OFF adj
REJ03F0192-0201 Rev.2.01 Mar 31, 2008
Page 2 of 26


Features M52742ASP BUS Controlled 3-Channel Vide o Preamp for CRT Display Monitor REJ03F 0192-0201 Rev.2.01 Mar 31, 2008 Descrip tion M52742ASP is semiconductor integra ted circuit for CRT display monitor. It includes OSD blanking, OSD mixing, ret race blanking, wide band amplifier, bri ghtness control, uniformity function. M ain/sub contrast and OSD adjust functio n can be controlled by I2C BUS. Featur es • Frequency band width: RGB 200 MHz (at −3 dB) OSD 80 MHz Input: R GB 0.7 VP-P (typ.) OSD 3 VP-P min. ( positive) BLK (for OSD) 3 VP-P min. ( positive) Retrace BLK 3 VP-P min. (po sitive) Output: RGB 5.5 VP-P (max.) OSD 5 VP-P (max.) • Main contrast a nd sub contrast can be controlled by I2 C BUS. • Include internal and extern al pedestal clamp circuit. Application CRT display monitor Recommended Opera ting Condition Supply voltage range: 11.5 to 12.5 V (V3, V8, V12, V36) 4.5 to 5.5 V (V17) Rated supply voltage: 12.0 V (V3, V8, V12, V36) 5.0 V (V17) Major Specification BUS control.
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