M52738P [MITSUBISHI]
3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING; 3路视频前置放大器， OSD的混合，回扫消隐
| 型号： | M52738P |
| 厂家： | 
Mitsubishi Group |
| 描述： | 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING |
| 文件： | 总3页 (文件大小：27K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MITSUBISHI ICs (Monitor)
PRELIMINARY
M52738P
Notice:This is not a final specification.
Some parametric limits are subject to change.
3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING
DESCRIPTION
The M52738P is semiconductor integrated circuit for CRT display
PIN CONFIGURATION (TOP VIEW)
monitor.
OSD IN (R)
OSD IN (G)
OSD IN (B)
OSD BLK IN
INPUT (R)
VCC1
28 SUB CONTRAST (R)
1
2
It includes OSD blanking function, OSD mixing, Wide-band
amplifier, Main and sub contrast controls, Brightness control
function.
SUB CONTRAST (G)
SUB CONTRAST (B)
BRIGHTNESS
27
26
25
24
3
4
FEATURES
HOLD (R)
5
• Frequency Band Width :RGB............................130MHz (at -3dB)
23 OUTPUT (R)
6
OSD.............................................80MHz
GND
VCC2
22
7
Input :RGB.............................................................0.7VP-P (typ.)
OSD.......................................1.6VP-P minimum (positive)
OSD BLK...............................1.6VP-P minimum (positive)
Retrace BLK........................1.2VP-P maximum (negative)
Output :RGB...............................................................4VP-P (min.)
OSD...............................................................4VP-P (min.)
GND
INPUT (G)
VCC1
21
20
19
18
8
OUTPUT (G)
HOLD (G)
OUTPUT (B)
9
GND
10
11
12
13
INPUT (B)
VREF
• Contrast and brightness can be controlled with a main control.
The Main control changes contrast or brightness of 3-channels
simultaneously. The sub control changes contrast of each
channel independently.
17 HOLD (B)
MAIN CONTRAST
BLK IN
CP IN
16
15
OSD ADJ 14
STRUCTURE
Outline 28P4
Bipolar silicon monolithic IC
APPLICATION
CRT display monitor
RECOMMENDED OPERATING CONDITION
Supply voltage range....................................................11.4 to 12.6V
Rated supply voltage................................................................12.0V
BLOCK DIAGRAM
SUB
BRIGHTNESS
SUB
CONTRAST (R) CONTRAST (B)
CONTRAST (G)
SUB
OUTPUT (R)
HOLD (R)
GND
21
HOLD (G)
HOLD (B)
CP IN
15
VCC2
22
OUTPUT (G)
20
OUTPUT (B)
18
BLK IN
16
28
27
26
25
24
23
19
17
R AMP
G AMP
B AMP
R SUB
CONTRAST
G SUB
CONTRAST
B SUB
CONTRAST
R
G
B
CONTRAST
CONTRAST
CONTRAST
R
G
B
OSD MIX
OSD MIX
OSD MIX
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OSD IN (G)
OSD BLK IN
VCC1
INPUT (G)
GND
VREF
OSD ADJ
OSD IN (R)
OSD IN (B)
INPUT (R)
GND
VCC1
INPUT (B)
MAIN CONTRAST
1
MITSUBISHI ICs (Monitor)
PRELIMINARY
M52738P
Notice:This is not a final specification.
Some parametric limits are subject to change.
3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
Parameter
Ratings
13
Unit
V
Supply voltage
Pd
Power dissipation
2000
mW
°C
°C
V
Topr
Operating temperature
-20 to 70
-40 to 150
12
Tstg
Storage temperature
Vopr
Recommended operating supply voltage
Recommended operating supply voltage range
Electrostatic discharge
Vopr’
Surge
11.4 to 12.6
±200
V
V
ELECTRICAL CHARACTERISTICS (Ta=25°C, VCC1=VCC2=12V, unless otherwise noted)
Limits
Typ.
Test
point
Symbol
Parameter
Test conditions
Unit
mA
Min.
Max.
1.2
No input. Measurement of current
that flows into 6, 9 and 21
ICC
ICC
6, 9, 21
−
100
18, 20, 18, 20, 23 input VSG, 15 input PG
23
Gmax
∆Gmax
VCR1
Maximum gain
20
1.0
14
dB
dB
dB
V13=4V V26, V27, V28=4V
Relative maximum gain
−
−
0.8
Contrast control characteristics
(typical)
18, 20, 23 input VSG, 15 input PG
V13=2V V26, V27, V28=4V
18, 20,
23
Contrast control characteristics
(minimum)
18, 20, 23 input VSG, 15 input PG
V13=0.25V V26, V27, V28=4V
18, 20,
23
VCR2
VSCR1
VSCR2
VB1
0.25
15.5
1.1
8.5
1.1
−
VP-P
dB
Sub contrast control characteristics
(typical)
18, 20, 23 input VSG, 15 input PG
V26, V27, V28=2V V13=4V
18, 20,
23
Sub contrast control characteristics
(minimum)
18, 20, 23 input VSG, 15 input PG
V26, V27, V28=0.25V V13=4V
18, 20,
23
VP-P
V
Brightness control characteristics
(maximum)
15 input PG
V25=10V
18, 20,
23
Brightness control characteristics
(typical)
15 input PG
V25=1V
18, 20,
23
VB2
V
Brightness control characteristics
(minimum)
15 input PG
V25=0V
18, 20,
23
VB3
−
0.1
V
Frequency characteristics 1
(f=50MHz;maximum)
18, 20,
23
FC1
18, 20, 23 input SG
0
dB
Frequency characteristics 2
(f=130MHz; maximum)
18, 20,
23
FC2
18, 20, 23 input SG
-3
−
−
dB
18, 20,
23
Tr
Video output rise time
18, 20, 23 input PG, 15 input PG
18, 20, 23 input PG, 15 input PG
18, 20, 23 input VSG, 15 input PG
1, 2, 3 input PG, 15 input PG
1, 2, 3 input PG, 15 input PG
3.0
4.0
1.2
4
nsec
nsec
V
18, 20,
23
Tf
Video output fall time
18, 20,
23
VthCP
OTr
Clamp pulse threshold voltage
OSD output rise time
18, 20,
23
nsec
nsec
VP-P
VP-P
V
18, 20,
23
OTf
OSD output fall time
10
5
1, 2, 3 input PG, 15 input PG
V14=4V V26, V27, V28=2V
18, 20,
23
Oaj1
Oaj2
OSDth
HBLK
Hvth
OSD adjust control (maximum)
OSD adjust control (minimum)
OSD input threshold voltage
Retrace BLK characteristics
Retrace BLK input threshold voltage
1, 2, 3 input PG, 15 input PG
V14=0V V26, V27, V28=2V
18, 20,
23
0
1, 2, 3 input PG, 15 input PG
4 input PG
18, 20,
23
1.6
−
18, 20,
23
16 input PG
16 input PG
−
0.5
V
18, 20,
23
1.2
V
Note1: The ambient temperature is 25°C.
2: The supply voltage is 12V.
3: The direction of a current that flows toward the IC is regarded as plus.
2
MITSUBISHI ICs (Monitor)
PRELIMINARY
M52738P
Notice:This is not a final specification.
Some parametric limits are subject to change.
3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING
TYPICAL CHARACTERISTICS
THERMAL DERATING (MAXIMUM RATING)
2800
2400
2000
1600
1200
800
400
0
-20
0
25
50 70 75
100 125 150
AMBIENT TEMPERATURE Ta (°C)
3
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