
MITSUBISHI ICs (Monitor)
M52734SP
3-CHANNEL VIDEO AMPLIFICATION WITH OSD BLANKING
1
DESCRIPTION
The M52734SP is a semiconductor integrated circuit amplifies
video signals, having a 3-channel amplifier with a band width of
130MHz. The circuit also features the OSD mixing function.
The circuit is most useful with high resolution displays that have
OSD, and its function are available for each channel, including OSD
blanking, OSD mixing, wide-band amplification, contrast control
(main and sub), and brightness control.
FEATURES
Frequency band width: RGB................................130MHz (3V
OSD..............................................50MHz
Input
:RGB.............................................................0.7V
OSD...............................................3.0V
BLK ...............................................3.0V
Output :RGB...........................................................4.0V
OSD...........................................................4.0V
To adjust contrast, two types of controls are provided, main and
sub. With the main control, the contrast of the 3-channels can be
changed simultaneously. Sub controls are used to adjust the
contrast of a given channel individually. The control terminals can
be controlled by applying a voltage of 0 to 5V.
The DC power remains stable at the IC output terminal because
a feedback circuit is built in.
P-P
)
P-P
(typ.)
P-P
P-P
min. (positive)
min. (positive)
P-P
P-P
(max.)
(max.)
APPLICATION
Display monitor
RECOMMENDED OPERATING CONDITION
Supply voltage range....................................................11.5 to 12.5V
Rated supply voltage................................................................12.0V
PIN CONFIGURATION (TOP VIEW)
Outline 36P4E
36
33
34
35
1
4
3
2
32
5
31
6
28
9
27
10
26
11
25
12
13
14
24
23
7
8
30
29
15
22
16
21
17
20
18
19
OUTPUT (G)
V
CC2
(B)
HOLD (B)
OUTPUT (R)
OUTPUT (B)
GND2 (B)
V
CC2
(G)
INPUT (B)
V
CC1
(G)
SUB CONTRAST (B)
GND1 (G)
GND1 (B)
V
CC1
(B)
V
CC1
(R)
SUB CONTRAST (G)
OSD BLK IN
OSD ADJUST
GND2 (G)
INPUT (G)
HOLD (G)
NC
GND2 (R)
HOLD (R)
GND1 (R)
MAIN CONTRAST
SUB CONTRAST (R)
INPUT (R)
V
CC2
(R)
M
CP IN
BRIGHTNESS
NC : NO CONNECTION
OSD IN (B)
OSD IN (G)
OSD IN (R)
NC
NC
NC
BLOCK DIAGRAM
OUTPUT (B)
OSD ADJUST
B
Hold
B
Blanking
B
Contrast
G
G
G
G
R
R
R
R
B
AMP
B
Clamp
G
G
R
R
B
Brightness
Hold
Blanking
Contrast
AMP
Clamp
Brightness
Hold
Blanking
Contrast
AMP
Clamp
Brightness
B
OSD Mix
G
R
OSD Mix
OSD Mix
3
5
4
6
7
11
10
12
14
13
8
9
2
1
15
16
18
17
34
32
33
31
30
26
27
25
23
24
29
28
35
22
21
19
20
36
OUTPUT (G)
V
CC2
(B)
HOLD (B)
OUTPUT (R)
GND2 (B)
V
CC2
(G)
INPUT (B)
V
CC1
(G)
SUB
GND1 (G)
GND1 (B)
V
CC1
(B)
V
CC1
(R)
SUB
OSD
BLK IN
GND2 (G)
INPUT (G)
HOLD (G)
NC
GND2 (R)
HOLD (R)
GND1 (R)
MAIN
SUB
INPUT (R)
V
CC2
(R)
CP IN
BRIGHTNESS
NC
OSD IN
(B)
OSD IN (G)
OSD IN (R)
NC
NC
CONTRAST(B)
CONTRAST(G)
CONTRAST(R)
CONTRAST