MITSUBISHI< LINEAR IC >
M52746SP
MITSUBISHI
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
25
1
DISCRIPTION
M52746SP 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 AdjustFunction can be
controlled by I2C Bus.
Frequency Band Width: RGB 200 MHz (at -3dB)
OSD 80 MHz
Input : RGB 0.7 Vp-p (Typ)
OSD light 4 Vp-p minimum (positive)
OSD harf 2.5Vp-p minimum (positive)
3.0Vp-p maximum (positive)
BLK(for OSD) 3 Vp-p minimum (positive)
Retrace BLK 3 Vp-p minimum (positive)
Output : RGB 5.5 Vp-p (maximum)
OSD 5 Vp-p (maximum)
Main Contrast and Sub Contrast can be controlled by I2C
Bus.
STRUCTURE
Bipola Silicon Monolisic IC
APPLICATION
CRT Display Monitor
RECOMMENDED OPERATING CONDITIONS
Supply Voltage Range 11.5V~12.5V(V7,V12,V25,V29,V32)
4.5V~4.4V(V17)
Rated Supply Voltage 12.0V(V7,V12,V25,V29,V32)
5.0V(V17)
MAJOR SPECIFICATION
Bus Controlled 3ch Video Pre-Amp with OSD Mixing Function
FEATURES
PIN CONFIGURATION
Outside Package: 32P4B
Brightness
1
32
2
31
3
30
4
29
5
28
6
27
7
26
8
25
9
24
10
23
11
22
12
21
13
20
14
19
15
18
VCC 12V
INPUT (R)
INPUT (G)
INPUT (B)
GND
OSD BLK IN
OSD IN (R)
OSD IN (G)
OSD IN (B)
OUTPUT(R)
GND(R)
OUTPUT(B)
GND(B)
OUTPUT(G)
GND(G)
Retrace BLK IN
SDA
ABL IN
SCL
Clamp Pulse IN
GND
VCC 12V (G)
VCC 12V (B)
VCC 12V (R)
GND
VCC 5V
VCC 12V
INPUT(SOG)
SOG Sep OUT
16
17
NC
GND
32 pin plastic SDIP
MITSUBISHI< LINEAR IC >
M52746SP
MITSUBISHI
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
25
SDA,SCL CHARACTERISTICS
parameter
symbol
MIN
MAX
unit
min. input LOW voltage.
max. input HIGH voltage.
SCL clock frequency.
Time the bus must be free before a new transmission can start.
Hold time start condition.After this period the first clock pulse
is generated.
The LOW period of the clock.
The HIGH period of the clock.
Srt up time for start condition. (Only relevant for a repeated
start condition.)
Hold time DATA.
Set-up time DATA.
Rise time of both SDA and SCL lines.
Fall time of both SDA and SCL lines.
Set-up time for stop condition.
f
SCL
t
BUF
t
HD:STA
t
LOW
t
HIGH
t
SU:STA
t
HD:DAT
t
SU:DAT
t
R
t
F
t
SU:STO
V
IL
V
IH
-0.5
1.5
V
3.0
5.5
V
0
100
KHz
4.7
4.0
4.7
4.0
4.7
0
250
1000
300
4.0
us
ns
ns
ns
us
us
us
us
us
us
-
-
-
-
-
-
-
-
-
-
t
R,
t
F
t
BUF
t
LOW
t
HIGH
t
HD:DAT
t
SU:DAT
SDA
SCL
V
IL
V
IH
V
IL
V
IH
t
HD:STA
t
SU:STA
t
SU:ST
O
S
S
P
S
5
I C BUS CONTROL SECTION
2
PDF 
ZIP
