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PDF M52745SP Data sheet ( Hoja de datos )
| Número de pieza | M52745SP | |
| Descripción | BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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PRELIMINARYNSootmicee:pTahriasmisentroict alimfiintsalasrpeescuifbicjeactitotno. change.
MITSUBISHI ICs (Monitor)
M52745SP
BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR
DESCRIPTION
M52745SP is semiconductor integrated circuit for CRT display
monitor.
It includes OSD blanking, OSD mixing, retrace blanking, wide band
amplifer, brightness control, uniformity function.
Main/sub contrast and OSD adjust function can be controlled by I2C
bus.
FEATURES
• Frequency band width: RGB.............................200MHz (at -3dB)
OSD..............................................80MHz
Input :RGB.............................................................0.7VP-P (typ.)
OSD..........................................3VP-P minimum (positive)
BLK (for OSD)..........................3VP-P minimum (positive)
Retrace BLK.............................3VP-P minimum (positive)
Output :RGB..........................................................5.5V P-P (max.)
OSD..............................................................5VP-P (max.)
• Main contrast and sub contrast can be controlled by I 2C bus.
• Include internal and external pedestal clamp circuit
STRUCTURE
Bipolar silicon monolithic IC
APPLICATION
CRT display monitor
PIN CONFIGURATION (TOP VIEW)
BRIGHTNESS 1
OSD IN(R) 2
OSD IN(B) 3
OSD IN(G) 4
OSD BLK IN 5
INPUT(R) 6
VCC 12V 7
NC 8
INPUT(B) 9
GND 10
INPUT(G) 11
VCC 12V 12
INPUT(SOG) 13
SOG SEP OUT 14
GND 15
CLAMP PULSE IN 16
32 VCC 12V(R)
31 OUTPUT(R)
30 EXT FEED BACK(R)
29 VCC 12V(B)
28 OUTPUT(B)
27 EXT FEED BACK(B)
26 GND
25 VCC 12V(G)
24 OUTPUT(G)
23 EXT FEED BACK(G)
22 RETRACE BLK IN
21 SDA
20 SCL
19 GND
18 ABL IN
17 VCC 5V
RECOMMENDED OPERATING CONDITION
Supply voltage range......................11.5 to 12.5V (V7, V12, V25, V29,V32)
4.5 to 5.5V (V17)
Rated supply voltage..................................12.0V (V7, V12, V25, V29,V32)
5.0V (V17)
Outline 32P4B
MAJOR SPECIFICATION
Bus controlled 3ch video pre-amp with OSD mixing function and
retrace blanking function
1
1 page  
PRELIMINARYNSootmicee:pTahriasmisentroict alimfiintsalasrpeescuifbicjeactitotno. change.
MITSUBISHI ICs (Monitor)
M52745SP
BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR
ELECTRICAL CHARACTERISTICS (cont.)
Symbol
Parameter
Test Input
point 6,9,11 5 2,3,4 16 22 13
(s)
RGB
in
OSD
BLK
OSD
in
CP in
ReT SOG
BLK in
Tr
Pulse
characteristics1
(4VP-P)
OUT
b
SG1
a
a
b
SG5
a
a
∆ Tr
Relative pulse
characteristics1
OUT
b
SG1
a
a
b
SG5
a
a
Pulse
Tf
characteristics2
(4VP-P)
OUT
b
SG1
a
a
b
SG5
a
a
∆ Tf
Relative pulse
characteristics2
OUT
b
SG1
a
a
b
SG5
a
a
VthCP
WCP
PDCH
PDCL
OTr
Clamp pulse
threshold
voltage
Clamp pulse
minimum
width
Pedestal voltage
temperature
characteristics1
Pedestal voltage
temperature
characteristics2
OSD pulse
characteristics1
b
OUT SG1
OUT
b
SG1
b
OUT SG1
b
OUT SG1
OUT a
b
a a SG5
Variable
b
a a SG5
Variable
b
a a SG5
b
a a SG5
ab b
SG6 SG5
a
a
a
a
a
a
a
a
a
a
OTf
Oaj1
OSD pulse
characteristics2
OUT
OSD adjust control
characteristics1
OUT
a ab b aa
SG6 SG5
a
bb b a
SG6 SG6 SG5
a
∆Oaj1
OSD adjust control
relative
characteristics1
-
- -- - --
Oaj2
OSD adjust control
characteristics2
OUT
a
bb b
SG6 SG6 SG5
a
a
OSD adjust control
∆Oaj2 relative
- - -- - --
characteristics2
OSD adjust control
OBLK characteristics3
OUT
a
b
SG6
a
b
SG5
a
a
∆OBLK
OSD adjust control
relative
characteristics3
OSD input
VthOSD1 threshold
voltage1
OSD input
VthOSD2 threshold
voltage2
OSD BLK input
VthBLK threshold
voltage
- - -- -
OUT
a
bb b
SG6 SG6 SG5
Variable
OUT
OUT
a
bb b
SG6 SG6 SG5
Variable
bb
SG1
SG6
Variable
a
b
SG5
-
a
a
a
-
a
a
a
Ohaj1
OSD half
adjust control
characteristics1
OUT
a
bb b
SG6 SG6 SG5 a
3V
a
Ohaj2
OSD half
adjust control
characteristics2
OUT
a
b
SG6
b
SG6
3V
b
SG5
a
a
Retrace BLK
VthRET input threshold
voltage
OUT
a
a
a
bb
SG5 SG7
a
Variable
SOG input
b
SS-NV maximum
SonG IN
Sync OUT
a
aa
a
a SG4
noise voltage
Variable
SOG
SS-SV minimum
b
SonG IN
Sync OUT
a
aa
a
a SG4
input voltage
Variable
VSH
Sync output
hi level
Sync OUT
a
aa
a
a
b
SG4
CTL
voltage
BUS CTL (H)
1
Bri-
ght
18 00H 01H 02H 03H 04H 05H
ABL Main Sub Sub Sub OSD INT
cont cont cont cont Adj ENT
RGB
Vari
able
5.0
Va
ria
ble
Vari
able
5.0
Vari
able
Vari
able
5.0
Va
ria
ble
Vari
able
5.0
Vari
able
2.0
5.0
FFH
255
2.0 5.0
2.0 5.0
2.0 5.0
2.0 5.0
2.0 5.0
2.0 5.0
--
2.0 5.0
--
2.0 5.0
--
2.0 5.0
2.0 5.0
2.0 5.0
2.0 5.0
2.0 5.0
2.0 5.0
2.0 5.0
08H
8
0FH
15
-
08H
8
-
00H
0
-
08H
8
00H
0
00H
15
08H
8
00H 08H
08
2.0 5.0
2.0 5.0
Limits
Min. Typ. Max.
Unit
- 2.8 3.6 ns
-0.8 0 0.8 ns
- 2.8 3.6 ns
-0.8 0 0.8 ns
1.0 1.5 2.0 V
0.2 - -
µs
-0.15
-0.15
0 0.15
0 0.15
V
V
- 3.0 6.0 ns
- 3.0 6.0 ns
4.6 5.4 6.2 VP-P
0.8 1.0 1.2 -
3.4 3.9 4.4 VP-P
0.8 1.0 1.2 -
0 -0.1 -0.3 VP-P
-0.15 0 0.15 VP-P
3.1 3.5 3.9 V
1.5 2.0 2.5 V
2.2 2.7 3.2 V
3.2 3.8 4.4 V
2.3 2.7 3.1 V
1.0 1.5 2.0 V
- - 0.03 VP-P
0.2 - - VP-P
4.5 4.9 5.0 V
5
5 Page 
PRELIMINARYNSootmicee:pTahriasmisentroict alimfiintsalasrpeescuifbicjeactitotno. change.
MITSUBISHI ICs (Monitor)
M52745SP
BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR
I2C-BUS PROTOCOL
(1) Slave address
D7 D6 D5 D4 D3 D2 D1 R/W
1 0 0 0 1 0 0 0 =88H
(2) Slave receiver format
S SLAVE ADDRESS
A
SUB ADDRESS
START condition
acknowledge
A
DATA BYTE
AP
STOP condition
(3) Sub address byte and data byte format
Function
bit
Main contrast
8
Sub contrast R
8
Sub contrast G
8
Sub contrast B
8
OSD level
4
Pedestal clamp INT/EXT SW
1
Notes) pedestal level INT/EXT SW
0 INT 1 EXT
sub
add. D7
Data byte (top:byte format under:start condition)
D6 D5 D4 D3 D2 D1
D0
A07 A06 A05 A04 A03 A02 A01 A00
00H
01000000
A17 A16 A15 A14 A13 A12 A11 A10
01H
10000000
A27 A26 A25 A24 A23 A22 A21 A20
02H
10000000
A37 A36 A35 A34 A33 A32 A31 A30
03H
10000000
- - - - A43 A42 A41 A40
04H
00001000
-
05H
0
-
0
-
0
-
0
-
0
-
0
- A50
00
11
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet M52745SP.PDF ] | |
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