Document
MITSUBISHI ICs (Monitor)
M52734SP
3-CHANNEL VIDEO AMPLIFICATION WITH OSD BLANKING 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.
OSD BLK IN VCC1 (B) INPUT (B) SUB CONTRAST (B) OSD IN (B) GND1 (B) 1 2 3 4 5 6 7 8 9 36 OSD ADJUST 35 OUTPUT (B) 34 VCC2 (B) 33 HOLD (B) 32 NC 31 GND2 (B) 30 OUTPUT (G) 29 VCC2 (G) 28 HOLD (G) 27 NC 26 GND2 (G) 25 OUTPUT (R) 24 VCC2 (R) 23 HOLD (R) 22 NC 21 GND2 (R) 20 NC 19 BRIGHTNESS
PIN CONFIGURATION (TOP VIEW)
FEATURES
VCC1 (G) INPUT (G) SUB CONTRAST (G)
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Frequency band width: RGB................................130MHz (3V P-P) OSD..............................................50MHz Input :RGB.............................................................0.7V P-P (typ.) OSD...............................................3.0VP-P min. (positive) BLK ...............................................3.0VP-P min. (positive) Output :RGB...........................................................4.0V P-P (max.) OSD...........................................................4.0V P-P (max.) 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.
M52734SP
OSD IN (G) 10 GND1 (G) 11 VCC1 (R) 12 INPUT (R) 13 SUB CONTRAST (R) 14 OSD IN (R) 15 GND1 (R) 16 MAIN CONTRAST 17 CP IN 18
APPLICATION
Display monitor Outline 36P4E
NC : NO CONNECTION
RECOMMENDED OPERATING CONDITION
Supply voltage range....................................................11.5 to 12.5V Rated supply voltage................................................................12.0V
BLOCK DIAGRAM
HOLD (R) GND2 (R) OUTPUT (B) HOLD (B) GND2 (B) VCC2 (G) NC OUTPUT (R) BRIGHTNESS OSD ADJUST HOLD (G) GND2 (G) VCC2 (R) NC NC NC VCC2 (B) OUTPUT (G) 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
B Brightness
G Brightness
R Brightness
B AMP
B Hold
G AMP
G Hold
R AMP
R Hold
B OSD Mix
B Blanking
G OSD Mix
G Blanking
R OSD Mix
R Blanking
B Clamp
B Contrast
G Clamp
G Contrast
R Clamp
R Contrast
1 OSD BLK IN
2
3 INPUT (B)
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
VCC1 (B)
VCC1 (G) SUB GND1 (G) INPUT (R) MAIN OSD IN OSD IN (R) (B) CONTRAST(G) CONTRAST GND1 (B) SUB INPUT (G) SUB GND1 (R) CP IN VCC1 (R) OSD IN (G) CONTRAST(B) CONTRAST(R)
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MITSUBISHI ICs (Monitor)
M52734SP
3-CHANNEL VIDEO AMPLIFICATION WITH OSD BLANKING ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
Symbol VCC Pd Topr Tstg Vopr Vopr’ Surge Parameter Supply voltage Power dissipation Ambient temperature Storage temperature Recommended supply voltage Recommended supply voltage range Electrostatic discharge Ratings 13.0 2016 -20 to +85 -40 to +150 12.0 11.5 to 12.5 ±200 Unit V mW °C °C V V V
ELECTRICAL CHARACTERISTICS (VCC=12V, Ta=25°C, unless otherwise noted)
Test conditions Symbol Parameter Test point SW13 SW8 SW3 (s) R-ch G-ch B-ch A a − a − a − Input
External power supply (V)
Pulse input
SW1
Limits Unit Min. 70 5.8 Typ. 100 6.8 Max. 140 9.0 mA VP-P
V4 5 5
V17 5 5
V19 5
Variable
V36 SW18 5, 10,
15
ICC Vomax
Circuit current Output dynamic range
2 5
b SG5 b SG5 b SG5 b SG5
a − a − a − a −
Vimax
Maximum input
Gv ∆Gv VCR1 ∆VCR1 VCR2 ∆VCR2 VSCR1 ∆VSCR1
Maximum gain Relative maximum gain Contrast control characteristics (typical) Contrast control relative characteristics (typical) Contrast control characteristics (minimum)
Contrast control relative characteristics (minimum)
T.P.35 b b b T.P.30 SG6 SG6 SG6 T.P.25 T.P.35 b b b T.P.30 SG6 SG6 SG6 T.P.25 T.P.35 b b b T.P.30 SG6 SG6 SG6 T.P.25
5
2.5
1
5
1
1.8
−
VP-P
5
5
2
5
15 0.8
17 1 15.5 1 0.6 1 15.5
20 1.2 17 1.2 0.9 1.2 17
dB − dB − VP-P − dB −
Relative to measured values above T.P.35 b b b b T.P.30 5 4 2 5 SG6 SG6 SG6 SG5 T.P.25 Relative to measured values above T.P.35 b b b T.P.30 SG6 SG6 SG6 T.P.25 5 1 2 5 b SG5
a −
14 0.8
a −
0.3 0.8
Relative to measured values above T.P.35 b b b T.P.30 SG6 SG6 SG6 T.P.25 4 5 2 5 b SG5 a −
Sub contrast control characteristics (typical) Sub contrast control relative characteristics (typical) Sub contrast control characteristics (minimum)
Sub contrast control relative characteristics (minimum) Contrast/sub contrast control characteristics (typical) Contrast/sub contrast control relative characteristics (typical)
14
Relative to measured values above T.P.35 b b b T.P.30 SG6 SG6 SG6 T.P.25 b SG5 a −
0.