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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
DISCRIPTION
M52749FP is Semiconductor Integrated Circuit for CRT Display Monitor. It includes OSD Blanking,OSD Mixing,Retrace Blanking,Wide Band Amplifier,Brightness Control. Main/Sub Contrast and OSD AdjustFunction .
PIN CONFIGURATION
OSD BLK IN INPUT(R) VCC1(R) OSD IN (R) GND 1 (R) INPUT(G) INPUT(SOG) VCC1 (G) OSD IN (G) GND 1 (G) INPUT (B) VCC1 (B) OSD IN (B) GND NC GND 1 (B) ABL IN NC VCC=5V SOG Sep OUT Clamp Pulse IN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 VCC 2 OUTPUT(R) NC GND 2 OUTPUT(G) NC GND Contrast ref. Main Brightness OUTPUT(B) GND Contrast cont. Retrace BLK IN D/A OUT1 D/A OUT2 D/A OUT3 D/A OUT4 D/A OUT5 GND(5V) SDA SCL
M52749FP
FEATURES
*Frequency Band Width: RGB 180MHz(3Vp-p 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 5.5Vp-p(maximum) OSD 3.5Vp-p(maximum) *Main Contrast , Sub Contrast , OSD Adjust and 5ch D/A OUT can be controlled by I2C Bus.
Package:42P9R
STRUCTURE
Bipolar Silicon Monolithic IC
APPLICATION
CRT Display Monitor
RECOMMENDED OPERATING CONDITIONS
Supply Voltage Range Rated Supply Voltage 11.5V~12.5V(V3,V8,V12,V42) 4.5V~5.5V(V19) 12.0V(V3,V8,V12,V42) 5.0V(V19)
MAJOR SPECIFICATION
Bus Controlled 3ch Video Pre-Amp with OSD Mixing Function and Retrace Blanking Function
MITSUBISHI
1
25
Vcc=12V
42 34 30
Main Brightness Retrace Blanking
Fig. 1 Block Diagram
R OSD IN 4
SUB CONTRAST OSD MIX AMP MAIN CONTRAST RETRACE BLANKING
R INPUT
2
CLAMP
41 R OUTPUT
R Vcc 12V 3
CLAMP F/B
5
G OSD IN 9
SUB CONTRAST OSD MIX AMP MAIN CONTRAST RETRACE BLANKING 38 G OUTPUT
G INPUT
6
CLAMP
G Vcc 12V 8
CLAMP F/B
10
B OSD IN 13
SUB CONTRAST OSD MIX MAIN CONTRAST AMP RETRACE BLANKING 33 B OUTPUT 35 Main Contrast
OSD LEVEL 4bit
B INPUT
MITSUBISHI
CLAMP F/B
Main CONTRAST 8bit
11
CLAMP
B Vcc 12V 12
16
Ref 31 Main Contrast Cont
19 DAC BUS I/F
Contrast(ABL) IN 17
G INPUT
Vcc 5V (DIGITAL)
23 SDA
B SUB CONT 8bit G SUB CONT 8bit R SUB CONT 8bit
7
Sync On Green Sep
22 SCL 24
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
2
21 14
SOG Sep OUT 20
1
25
26
27
28
29 32
36
39
25
Clamp Pulse IN
OSD Blanking
DAC o u t p u t
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
Absolute Maximum Rating (Ambient temperature: 25 C)
Parameter Supply voltage(PIN3,8,12,42) Supply voltage(PIN19) Power dissipation Ambient temperature Storage temperature
Recommended supply12 Recommended supply5 voltage range12 voltage range5
Symbol Vcc 12 Vcc 5 Pd Topr Tstg Vopr12 Vopr5 Vopr'12 Vopr'5
Rating 13.0 6.0 2900 -20~+75 -40~+150 12.0 5.0 11.5~12.5 (TYP 12.0) 4.5~5.5 (TYP 5.0)
Unit V V mW
C C
V V V V
Thermal Derating Curve
3200
Permissible power dissipation Pd (mW)
2900 2800
2400
2000
1600
1200
800
attached board
400
0 A|20
0
25
50
75 85
100
125
150
Ambient temperatureTa( C)
MITSUBISHI
3
25
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
BUS CONTROL TABLE (1) Slave address:
D7 D6 D5 D4 D3 D2 D1 R/W
1
0
0
0
1
0
0
0
=88H
(2) Each function's sub address:
NO. 1 2 3 4 5 6 7 8 9 10 function Main contrast Sub contrast R Sub contrast G Sub contrast B OSD level D/A OUT1 D/A OUT2 D/A OUT3 D/A OUT4 D/A OUT5 bit 8 8 8 8 4 8 8 8 8 8 sub add. 00H 01H 02H 03H 04H 06H 07H 08H 09H 0AH Data Byte(up:bit information down:preset) D7 D6 D5 D4 D3 D2 D1 D0 A07 A06 A05 A04 A03 A02 A01 A00 0 1 0 0 0 0 0 0 A17 A16 A15 A14 A13 A12 A11 A10 1 0 0 0 0 0 0 0 A27 A26 A25 A24 A23 A22 A21 A20 1 0 0 0 0 0 0 0 A37 A36 A35 A34 A33 A32 A31 A30 1 0 0 0 0 0 0 0 A43 A42 A41 A40
0 0 0 0 1 0 0 0 A67 A66 A65 A64 A63 A62 A61 A60 1 0 0 0 0 0 0 0 A77 A76 A75 A74 A73 A72 A71 A70 1 0 0 0 0 0 0 0 A87 A86 A85 A84 A83 A82 A81 A80 1 0 0 0 0 0 0 0 A97 A96 A95 A94 A93 A92 A91 A90 1 0 0 0 0 0 0 0 AA7 AA6 AA5 AA4 AA3 AA2 AA1 AA0 1 0 0 0 0 0 0 0
MITSUBISHI
4
25
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
2
I C BUS CONTROL SECTION SDA,SCL CHARACTERISTICS
parameter 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. symbol MIN -0.5 3.0 0 1.3 0.6 MAX 1.5 5.5 400 unit V V KHz us us
VIL VIH fSCL tBUF tHD:STA tLOW tHIGH tSU:STA tHD:DAT tSU:DAT tR tF tSU:STO
1.3 0.6 0.6 0.1 100 0.6
300 300 -
us us us us ns ns ns us
tR, tF tBUF VIL
SDA
VIH
tHD:STA VIL
SCL
tSU:DAT
tHD:DAT
tSU:STA
tSU:STO
VIH tLOW
S
tHIGH
S
P
S
MITSUBISHI
5
25
Supplementary Table1 Electrical Characteristics (Vcc = 12V,5V; Ta = 25C unless otherwise specified) Input
1 21 30 34 17
Main Sub cont cont 1 OSD Adj
D/A D/A D/A D/A D/A OUT1 OUT2 OUT3 OUT4 OUT5 Sub cont 2 Sub cont 3
CTL voltage
BUS CTL (H
Standard MIN TYP MAX
130 110 mA
Note1 00H 01H 02H 03H 04H 06H 07H 08H 09H 0AH
)
Unit Remark
No
4 9 13 7
parameter Symbol Test Point(s) Bright ABL
FFH FFH FFH FFH 00H
2 6 11
OSD ReT SOG RGB In BLK OSD In CP In BLK In a a b SG5 a a 4.0 5.0 255 255 255 255 0 b SG5 a
Variable
1
Circuit current1
Icc1
IA
a
FFH FFH FFH FFH FFH 255 255 255 255 255
2 a a a 4.0 5.0 22 18
Circuit current2
Icc2
IB
a
mA
Note2
3 a
64H
Output dynamic range
Vomax a a a 5.0 6.0 8.0
OUT
b SG2 a
FFH
b SG5 b SG5 a a 2.0 5.0 100 1.6 -
-
Vp-p
Note3
4 a
Maximum input
Vimax
IN OUT
b SG2
Variable
-
Vp-p
Note4
5 a a a a 2.0 5.0 255
Maximum gain
Gv
OUT
b SG1
b SG5
16.5 17.7 1.0 0.8
19.4
dB
Note5
6
Relative maximum gain
Gv
-
-
1.2
-
Note6
7 2.0 5.0
Main contrast control characteristics 1
VC1 a a a
OUT
b SG1 a
C8H 200
b SG5
15.5 17.0
18.5
dB
Note7
8 a 2.0 5.0 a a a -
Main contrast control relative characteristics 1
VC1
-
-
0.8
1.0
1.2
-
Note8
MITSUBISHI
b SG5
64H 100
9
Main contrast control characteristics 2
VC2
OUT
b SG1
9.0
10.5 1.0 0.8
12.0
dB 1.2
Note9
10 a a 2.0 a 5.0 -
Main contrast control relative characteristics 2
VC2
-
-
Note10
11
Main contrast control characteristics 3
VC3 a
OUT
b SG1 a a -
b SG5
14H 20
0.2 FFH C8H C8H C8H
0.4
0.6
Vp-p Note11
12 a
Main contrast control relative characteristics3
VC3
-
-
0.8
1.0
1.2
-
Note12
13
Sub contrast control characteristics 1
VSC1 a
OUT
b SG1 a -
b SG5
2.0
5.0 255 200 200 200
15.5 17.0
18.5
dB
Note13
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
6
a a b SG5 -
14
Sub contrast control relative characteristics 1
VSC1
-
-
-
-
-
-
-
FFH 64H 64H 64H
0.8
1.0
1.2
-
Note14
25
15
Sub contrast control characteristics 2
VSC2
OUT
b SG1
a
2.0 -
5.0 255 100 100 100 -
10.5 12.0 1.0 0.8
13.5
dB
Note15
16
Sub contrast control relative characteristics 2
VSC2
-
-
1.2
-
Note16
Input
1 21 30 34 17
Main Sub cont cont 1 OSD Adj
D/A D/A D/A D/A D/A OUT1 OUT2 OUT3 OUT4 OUT5 Sub cont 2 Sub cont 3
CTL voltage
BUS CTL (H
Standard MIN TYP MAX
0.7 1.2 1.5 Vp-p Note17
Note18 00H 01H 02H 03H 04H 06H 07H 08H 09H 0AH
)
ReUnit mark
No
4 9 13 7
parameter Bright ABL
2.0 5.0 255 20 20 20
FFH 14H 14H 14H 00H 0 FFH FFH FFH FFH FFH 255 255 255 255 255
Symbol Test Point(s)
a a b SG5 a a 0.8 1.0 1.2
C8H C8H C8H C8H
2 6 11
OSD ReT SOG RGB In BLK OSD In CP In BLK In
17
Sub contrast control characteristics 3
VSC3
OUT
b SG1 -
18
Sub contrast control relative characteristics 3
VSC3
-
-
19 a a 3.4 4.0 a a 2.0 5.0 200 200 200 200
Main/sub contrast control characteristics
VMSC
OUT
b SG1 0.8 4.6
FFH FFH FFH FFH
b SG5 -
4.6
Vp-p Note19
Note20
20
Main/sub contrast control relative characteristics
VMSC 2.0 4.0 255 255 255 255
-
-
-
1.0 5.4
1.2 6.2
-
21 a a a a
ABL control characteristics 1
ABL1
OUT
b SG1 -
b SG5
Vp-p Note21
Note22
22
ABL control relative characteristics 1
ABL1
-
-
0.8
1.0
1.2
-
23 a a 5.0 a a 2.0 2.0
ABL control characteristics 2
ABL2
OUT
b SG1
b SG5
2.3
2.8
3.3
Vp-p Note23
Note24
24
ABL control relative characteristics2
ABL2
-
-
0.8
1.0
1.2
-
MITSUBISHI
a a 2.0 5.0 b SG5 a a 4.0 a a b SG5 a a a a b SG5 a a 1.0 5.0 a a a 5V a a
Variable
25
Brightness control characteristics 1
VB1
OUT
a
3.6
4.0
4.4
V
Note25
26
Brightness control relative characteristics 1
VB1
-
-
-0.3
0
0.3
V
Note26
27
Brightness control characteristics 2
VB2
OUT
a
1.8
2.1
2.4
V
Note27
28
Brightness control relative characteristics 2
VB2
-
-
-0.3
0
0.3
V
Note28
29
Brightness control characteristics 3
VB3
OUT
a
0.9
1.1
1.3
V
Note29
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
7
-
30
Brightness control relative characteristics 3
VB3
-
-
-0.3
0
0.3
V
Note30
25
31
Frequency characteristics 1 (f=50MHz)
FC1
OUT
b SG3
5.0
Vari able
-2.0
0
2.5
dB
Note31
32
Frequency relative characteristics 1 (f=50MHz)
FC1
-
-
-
-
-
-
-1.0
0
1.0
dB
Note32
Input Standard MIN TYP MAX
0 dB 3.0
Note33 1 21 30
Sub
CTL voltage
BUS CTL (H
00H 01H 02H 03H 04H
Main cont 1 cont
D/A D/A D/A D/A D/A OUT1 OUT2 OUT3 OUT4 OUT5 Sub cont 2 Sub cont 3
)
Unit Remark
No
4 34 17
OSD Adj
parameter Symbol Test Point(s)
9 13 7 06H 07H 08H 09H 0AH
2 6 11
ReT SOG OSD RGB In BLK OSD In CP In BLK In
Bright ABL
Variable
33 5.0
Frequency characteristics 1 (f=180MHz)
FC1'
OUT
b SG3 a a a a
Vari FFH FFH FFH 00H able 255 255 255 0
a 5V
FFH FFH FFH FFH FFH 255 255 255 255 255 -3.0
34 -
Frequency relative characteristics 1 (f=180MHz)
FC1'
-
-
-1.0
0
1.0
dB
Note34
35 a a a a
Variable
Frequency characteristics 2 (f=180MHz)
FC2 5.0
OUT
b SG3 -3.0 3.0 -1.0
FFH
a 5V 0
5.0
dB
Note35
36 -
Frequency relative characteristics 2 (f=180MHz)
FC2
Variable
-
-
1.0 -25 -20
dB dB
Note36
37 a
Variable
Crosstalk 1 (f=50MHz)
CT1 a 5.0 a a 5.0 255
2 b SG3 OUT(33) 6 a OUT(38) 11a
a 5V
-
Note37
38 a a a a
Crosstalk 1 (f=180MHz)
CT1'
2 b SG3 OUT(33) 6 a OUT(38) 11a
a 5V
Variable
-
-20
-15
dB
Note38
39 a
Variable
Crosstalk 2 (f=50MHz)
CT2 a 5.0 a a 5.0
2a OUT(33) 6 b SG3 OUT(41) 11a
a 5V a a
-
-25
-20
dB
Note39
40 a a
Crosstalk 2 (f=180MHz)
CT2'
2a OUT(33) 6 b SG3 OUT(41) 11a
a 5V a a
Variable
-
-20
-15
dB
Note40
MITSUBISHI
a a a 5V 5.0 a 5.0 a
Variable
41
Crosstalk 3 (f=50MHz)
CT3
2a OUT(38) 6 a OUT(41) 11b SG3
-
-25
-20
dB
Note41
42 a a
Crosstalk 3 (f=180MHz)
CT3'
2a OUT(38) 6 a OUT(41) 11b SG3
a 5V b SG5 a a
Variable
-
-20
-15 2.8 2.0
dB
Note42
43 a a 5.0
Pulse characteristics 1 (3Vp-p)
Tr
OUT
b SG1 a b SG5 a a
Variable
Vari able
nS
Note43
44 a a a
Pulse characteristics 2 (3Vp-p)
Tf
OUT
b SG1 a b SG5 a
Variable
b SG5 2.0
Variable
5.0
Vari able
FFH
2.0
2.8
nS
Note44
45 a
Clamp pulse threshold voltage
VthCP
OUT
b SG1 a a a
5.0 255
1.0
1.5
2.0
V 0.2 2.0 5.0 uS -
Note45
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
8
46
Clamp pulse minimum width
WCP
OUT
b SG1
Note46
25
Input
1 21 30 34 17
Main Sub cont cont 1 OSD Adj
D/A D/A D/A D/A D/A OUT1 OUT2 OUT3 OUT4 OUT5 Sub cont 2 Sub cont 3
CTL voltage
BUS CTL (H
Standard MIN TYP MAX
3.0 ns 6.0
Note47 00H 01H 02H 03H 04H 06H 07H 08H 09H 0AH
)
Unit Remark
No
4 9 13 7
parameter Symbol Test Point(s) Bright ABL
2.0 5.0 255 255 255 255 8
FFH FFH FFH FFH 08H FFH FFH FFH FFH FFH 255 255 255 255 255
2 6 11
OSD ReT SOG RGB In BLK OSD In CP In BLK In a b SG6 a a b SG6 a a 2.0 5.0 3.0 6.0 b SG6 a a 2.0 5.0 2.8 3.5 0.8 1.0 b SG5
0FH 15
47
OSD pulse characteristics 1
OTr
OUT
a
b SG5 b SG5 4.2
08H 8
48 a
OSD pulse characteristics 2
OTf
OUT
a
ns
Note48
49
OSD adjust control characteristics 1
Oaj1
OUT
a
b SG6 -
Vp-p Note49
Note50
50
OSD adjust control relative characteristics 1
Oaj1
-
-
1.2
-
51 a a 2.0 5.0
OSD adjust control characteristics 2
Oaj2
OUT
a
b SG6
08H 8
b SG6 -
b SG5
2.25
2.8
3.35
Vp-p Note51
Note52
52 -
OSD adjust control relative characteristics 2
Oaj2
-
-
0.8
1.0
1.2
-
53
OSD adjust control characteristics 3
Oaj3
OUT
a
b SG6 a a 2.0 5.0 b SG6
Variable
b SG6 -
b SG5
00H 0
1.2
1.5
1.8
Vp-p Note53
Note54
54
OSD adjust control relative characteristics 3
Oaj3
-
-
0.8
1.0
1.2
-
MITSUBISHI
b SG6 a a 2.0 5.0 b SG6
Variable
55
OSD input threshold voltage
VthOSD
OUT
a a a 2.0 5.0
b SG5
08H 8
2.2
2.7
3.2
V
Note55
56 a a 2.0
OSD BLK input threshold voltage
VthBLK
OUT
b SG1 a a b b SG5 SG7 5.0
b SG5
00H 0
2.2
2.7
3.2
V
Note56
57
Retrace BLK characteristics 1
HBLK1
OUT
a
-
0.3
0.6
V
Note57
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
9
a a b b SG7 SG5 Variable a a a a a a a a
60
Retrace BLK input threshold voltag
VthRET
OUT
a
a b SG4
Variable
2.0
5.0
1.0
1.5
2.0
V
Note60
25
61
SOG input maximum noise voltage
SS NV
SonG IN SyncOUT
a
2.0 b SG4
Variable
5.0
-
-
0.03
Vp-p
Note61
62
SOG minimum input voltage
SS SV
SonG IN SyncOUT
a
2.0
5.0
0.2
-
-
Vp-p
Note62
Input Standard MIN TYP MAX
4.5 4.9 5.0 V
Note63 1 21 30 34 17 4 9 13 7 00H 01H 02H 03H 04H 06H 07H 08H 09H 0AH
CTL voltage
BUS CTL (H
Unit
Main Sub Sub Sub OSD cont cont cont Adj cont 1 3 2
D/A D/A D/A D/A D/A OUT1 OUT2 OUT3 OUT4 OUT5
)
Remark
No
Bright ABL
2.0 0 0.3 0.6 V 5.0 a a a a b SG4 b SG4 2.0 0 60 90 5.0 b SG4 2.0 0
FFH FFH FFH FFH 00H
parameter Symbol Test Point(s)
2 6 11
OSD ReT SOG RGB In BLK OSD In CP In BLK In
63
Sync Output Hi Level
VSH
Sync OUT a a a a
a
64
Sync Output Lo Level
VSL
Sync OUT a 5.0 60 a a a
a
Note64
65
Sync Output Delay Time1
TDS-F
Sync OUT a
FFH FFH FFH FFH FFH 255 255 255 255 255
a
ns
Note65
66 a 4.5 a a 2.0 5.0
Sync Output Delay Time2
TDS-R
Sync OUT a 2.0 a a a a 5.0 255 255 255 255 0
a
b SG4
90
ns
Note66
67
D/A H output voltage
VOH
D/AOUT
a
5.0
5.5
VDC Note67
68 a 2.0
00H 00H 00H 00H 00H 0 0 0 0 0
D/A L output voltage
VOL a 2.0 5.0 a a a a
D/AOUT
a 5.0
a
a
a
a
00H 00H 00H 00H 00H 0 0 0 0 0
0
0.5
1.0
VDC Note68 Note69
69
D/AOUT input current
IA-
D/AOUT
a
00H 00H 00H 00H 00H 0 0 0 0.18 0 0
mA 1.0
69a a 2.0
FFH FFH FFH FFH 00H
D/AOUT output current
IA+ a 5.0 a a a
D/AOUT
a
mA
Note69a
MITSUBISHI
a a a a a 2.0 5.0 255 255 255 255 0
70
D/A nonlinearity
DNL
D/AOUT
a
Vari Vari Vari Vari Vari able able able able able
-1.0
-
1.0
LSB
Note70
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
10
25
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
Note1)
Measuring conditions are as listed in supplementary Table. Measured with a current meter at test point IA. Measuring conditions are as listed in supplementary Table. Measured with a current meter at test point IB. Decrease V34 gradually, and measure the voltage when the bottom of waveform output is distorted. The voltage is called VOL. Next, increase V34 gradually, and measure the voltage when the top of waveform output is distorted. The voltage is called VOH. Voltagr Vomax is calculated by the equation below: Vomax = VOH - VOL (V)
Note2)
Note3)
VOH 5.0
Waveform output
VOL 0.0
Note4)
Increase the input signal(SG2) amplitude gradually, starting from 700mVp-p. Measure the amplitude of the input signal when the output signal starts becoming distorted. Input SG1, and read the amplitude output at OUT(33,38,41). The amplitude is called VOUT(33,38,41).Maximum gain GV is calculated by the equation below: VOUT (dB) 0.7 Relative maximum gain GV is calculated by the equation below: GV=VOUT(33)/VOUT(38), VOUT(38)/VOUT(41), VOUT(41)/VOUT(33) Measuring the amplitude output at OUT(33,38,41). The measured value is called VOUT(33,38,41). Main contrast conrol characteristics VC1 is calculated by the equation below: VOUT VC1=20 LOG (dB) 0.7 Relative characteristics VC1 is calculated by the equation below: VC1=VOUT(33)/VOUT(38) , VOUT(38)/VOUT(41) , VOUT(41)/VOUT(33) Measuring condition and procedure are the same as described in Note7. GV=20 LOG
Note5)
Note6)
Note7)
Note8)
Note9)
Note10) Measuring condition and procedure are the same as described in Note8. Note11) Measuring the amplitude output at OUT(33,38,41). The measured value is called VOUT(33,38,41). Note12) Measuring condition and procedure are the same as described in Note8.
MITSUBISHI
11
25
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
Note13) Measure the amplitude output at OUT(33,38,41). The measured value is called VOUT(33,38,41). Sub contrast conrol characteristics VSC1 is calculated by the equation below: VOUT VSC1=20 LOG (dB) 0.7 Note14) Relative characteristics VSC1 is calculated by the equation below: VSC1=VOUT(33)/VOUT(38) , VOUT(38)/VOUT(41) , VOUT(41)/VOUT(33) Note15) Measuring condition and procedure are the same as described in Note13. Note16) Measuring condition and procedure are the same as described in Note14. Note17) Measure the amplitude output at OUT(33,38,41). The measured value is called VOUT(33,38,41). Note18) Measuring condition and procedure are the same as described in Note14. Note19) Measure the amplitude output at OUT(33,38,41). The measured value is called VMSC. Note20) Relative characteristics VMSC is calculated by the equation below: VMSC=VOUT(33)/VOUT(38) , VOUT(38)/VOUT(41) , VOUT(41)/VOUT(33) Note21) Measure the amplitude output at OUT(33,38,41). The measured value is called VOUT(33,38,41), and is treated as ABL1. Note22) Relative characteristics ABL1 is calculated by the equation below: ABL1=VOUT(33)/VOUT(38) , VOUT(38)/VOUT(41) , VOUT(41)/VOUT(33) Note23) Measuring condition and procedure are the same as described in Note21. Note24) Measuring condition and procedure are the same as described in Note22. Note25) Measure the DC voltage at OUT(33,38,41) with a voltmeter. The measured value is called VOUT(33,38,41), and is treated as VB1. Note26) Relative characteristics VB1 is calculated by the difference in the output between the channels. VB1=VOUT(33)A|VOUT(38) , VOUT(38)A|VOUT(41) , VOUT(41)A|VOUT(33) Note27) Measuring condition and procedure are the same as described in Note25. Note28) Measuring condition and procedure are the same as described in Note26. Note29) Measuring condition and procedure are the same as described in Note25. Note30) Measuring condition and procedure are the same as described in Note26.
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
Note31) First, SG3 to 1MHz is as input signal. Input a resister that is about 2KOhm to offer the voltage at input pins(2,6,11) in order that the bottom of input signal is 2.5V. Control the main contrast in order that the amplitude of sine wave output is 4.0Vp-p. Control the brightness in order that the bottom of sine wave output is 2.0Vp-p. By the same way, measure the output amplitude when SG3 to 50MHz is as input signal. The measured value is called VOUT(33,38,41). Frequency characteristics FC1(33,38,41) is calculated by the equation below: VOUT Vp-p FC1=20 LOG output amplitude when inputted SG3(1MHz) : 4.0Vp-p Note32) Relative characteristics FC1 is calculated by the difference in the output between the channels. (dB)
Note33) Measuring condition and procedure are the same as described in Note31,except SG3 to 180MHz. Note34) Relative characteristics FC1' is calculated by the difference in the output between the channels.
Note35) SG3 to 1MHz is as input signal. Control the main contrast in order that the amplitude of sine wave output is 1.0Vp-p. By the same way, measure the output amplitude when SG3 to 150MHz is as input signal. The measured value is called VOUT(33,38,41). Frequency characteristics FC2(33,38,41) is calculated by the equation below: VOUT Vp-p FC2=20 LOG output amplitude when inputted SG3(1MHz) : 4.0Vp-p Note36) Relative characteristics FC2 is calculated by the difference in the output between the channels. (dB)
Note37) Input SG3 (50MHz) to pin2 only, and then measure the waveform amplitude output at OUT(33,38,41).The measured value is called VOUT(33,38,41). Crosstalk CT1 is calculated by the equation below: VOUT(33,38) CT1=20 LOG (dB) VOUT(41) Note38) Measuring condition and procedure are the same as described in Note37,except SG3 to 180MHz. Note39) Input SG3 (50MHz) to pin6 only, and then measure the waveform amplitude output at OUT(33,38,41).The measured value is called VOUT(33,38,41). Crosstalk CT2 is calculated by the equation below: VOUT(33,41) (dB) CT2=20 LOG VOUT(38) Note40) Measuring condition and procedure are the same as described in Note39,except SG3 to 180MHz. Note41) Input SG3 (50MHz) to pin11 only, and then measure the waveform amplitude output at OUT(33,38,41).The measured value is called VOUT(33,38,41). Crosstalk CT2 is calculated by the equation below: VOUT(38,41) (dB) CT3=20 LOG VOUT(33) Note42) Measuring condition and procedure are the same as described in Note41,except SG3 to 180MHz.
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
Note43) Control the main contrast (00H) in order that the amplitude of output signal is 3.0Vp-p. Control the brightness (V34) in order that the Black level of output signal is 2.0V. Measure the time needed for the input pulse to rise from 10% to 90% (Tr1) and for the output pulse to rise from 10% to 90% (Tr2) with an active probe. Pulse characteristics Tr is calculated by the equations below : Tr= (Tr2)-(Tr1)
2 2
(nsec)
Note44) Measure the time needed for the input pulseto fall from 90% to 10% (Tf1) and for the output pulse to fall from 90% to 10% (Tf2) with an active probe. Pulse characteristics Tf is calculated by the equations below : Tr= (Tf2)-(Tf1)
2 2
(nsec)
100%
90%
10% 0% Tr1 or Tr2 Tf1 or Tf2
Note45) Turn down the SG5 input level gradually from 5.0Vp-p, monitoring the waveform output. Measure thetop level of input pulse when the output pedestal voltage turn decrease with unstable. Note46) Decrease the SG5 pulse width gradually from 0.5us, monitoring the output. Measure the SG5 pulse width (a point of 1.5V) when the output pedestal voltage turndecrease with unstable.
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
Note47) Measure the time needed for the output pulse to rise from 10% to 90% (OTr) with an active probe. Note48) Measure the time needed for the output pulse to fall from 90% to 10% (OTf) with an active probe. Note49) Measure the amplitude output at OUT(33,38,41). The measured value is called VOUT(33,38,41), and is treated as Oaj1. Note50) Relative characteristics Oaj1 is calculated by the equation below: Oaj1=VOUT(33)/VOUT(38)AAVOUT(38)/VOUT(41)AAVOUT(41)/VOUT(33) Note51) Measuring condition and procedure are the same as described in Note49. Note52) Measuring condition and procedure are the same as described in Note50. Note53) Measuring condition and procedure are the same as described in Note49. Note54) Measuring condition and procedure are the same as described in Note50. Note55) Reduce the SG6 input level gradually, monitoring output. Measure the SG6 level when the output reaches 0V. The measured value is called VthOSD. Note56) Confirm that output signal is being blanked by the SG6 at the time. Monitoring to output signal, decreasing the level of SG6. Measure the top level of SG6 when the blanking period is disappeared. The measured value is called VthBLK. Note57) Measure the amplitude output is blanked by the SG7 at OUT(33,38,41). The measured value is called VOUT(33,38,41), and is treated as HBLK1. Note60) Confirm that output signal is being blanked by the SG7 at the time. Monitoring to output signal, decreasing the level of SG7. Measure the top level of SG7 when the blanking period is disappeared. The measured value is called VthRET.
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
Note61) The sync's amplitude of SG4 be changed all white into all black, increase from 0Vp-p to 0.02Vp-p. No pulse output permitted. Note62) The sync's amplitude of SG4 be changed all white or all black, decrease from 0.3Vp-p to 0.2Vp-p. Confirm no malfunction produced by noise. Note63) Measure the high voltage at SyncOUT. The measured value is treated as VSH. Note64) Measure the low voltage at SyncOUT. The measured value is treated as VSL. Note65) SyncOUT becomes High with sink part of SG4. Measure the time needed for the rear edge of SG4 sink to fall from 50% and for SyncOUT to rise from 50% with an active prove. The measured value is treated as TDS-F ,less than 90nsec. Note66) Measure the time needed for the rear edge of SG4 sink to rise from 50% and for SyncOUT to fall from 50% with an active prove. The measured value is treated as TDS-R ,less than 90nsec.
SG4
Pedestal voltage
sync (50%) (50%)
SyncOUT
TDS-F
TDS-R
Note67) Measure the DC voltage at D/AOUT. The measured value is treated as VOH. Note68) Measure the DC voltage at D/AOUT. The measured value is treated as VOL. Note69) IA- is minimum input-current when input 1VDC to D/AOUT. IAD/A OUT A
1VDC Note69a) IA+ is maximum output-current from D/AOUT. Note70) The difference of differential non- linearity of D/AOUT must be less than +1.0LSB.
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
SG No.
INPUT SIGNAL
33us
SG1 Video signal (all white) SG2 Video signal (step wave) SG3 Sine wave
(for freq. char.)
8us
Pulse with amplirude of 0.7Vp-p (f=30KHz). Video width of 25us. (75%)
0.7VPP
0.7VP-P (Amplitude is variable.)
Sine wave amplitude of 0.7Vp-p. f=1MHz,50MHz,180MHz(variable)
Video width of 25us. (75%)
SG4 Videosignal
(all white,all black) 3us 0.5us
0.7VPP
all white or all black variable. 0.3VPP
Sync's amplitude
is variable.
Pulse width and amplitude are variable.
5VTTL
SG5 Clamp pulse SG6 OSD pulse
5us
5VTTL
Amplitude is variable.
SG7 BLK pulse
5us
5VTTL
Amplitude is variable.
f=30KHz
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SG7 SDA SCL V34
OUT(41) 0~5V
OUT(38)
OUT(33)
D/A D/A D/A D/A D/A OUT1 OUT2 OUT3 OUT4 OUT5
100
a 1K
2.2u
b SW 30
TEST CIRCUIT
1K
1K
100uH
42 38 33
out C/C gnd blk dac dac dac dac dac NC C/R brt gnd
41 37 36 32 31 28 27 26 35 34 30 29 25
40
39
24
gnd
23
sda
22
scl
12V
out
NC
gnd
out
blk NC gnd
R G 12V B osd
12V
osd
gnd
SonG
osd
gnd
12V
gnd
abl
NC
5V
sync
c/p
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
47u
20
21
100K
MITSUBISHI
IN(6)
3.3u 0.01u 3.3u 0.01u
IN(2) + +
SONG IN IN(11)
1u
C/P IN SYNC OUT SW
1K b 21 a SG5
3.3u
0.01u
+
SW6 SW9 a b a b a b ba SW7 SW11 a
SW1
SW2
SW4
SW13 b
V17
a
ba
b
a
b
0~5V
A IB
5V
SG4
+
47u
IA
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
18
A
12V
25
SG6
SG1 SG2 SG3
: MEASURE POINT
Capacitor:0.01uF(unless otherwise specified.)
MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
Terminal Description
No. Name
DC Voltage (V)
peripheral Circuit
Remark
Input pulses
R
3.7~5V 1.7V~GND Connected to GND if not used.
2K
G B
1
OSD BLK IN
1
2.7V
0.46mA Clamped to about 2.5 V due to clamp pulses from pin 21. Input at low impedance.
2K
2K
2 6 11
INPUT (R) INPUT (G) 2.5
INPUT (B) 0.3mA
2.5V
CP
3 8 12
VCC 1(R) VCC 1(G) VCC 1(B) 12 Apply equivalent voltage to 3 channels.
Input pulses
4
OSD IN (R) 1K OSD IN (G) 2K 3.7~5V 1.7V~GND Connected to GND if not used.
9
13
OSD IN (B)
0.5mA
2.7V
5 10 14 16 24 32 36 39
GND1(R) GND1(G) GND GND1(B) GND(5V) GND GND GND 2
GND
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
No.
Name
DC Voltage (V)
19
peripheral Circuit
Remark
SYNC ON VIDEO input pin . Sync is negative . input signal at Pin7, compare with the reference voltage 3.33V of internal circuit in order to separate sync signal from Sync on Green signal . 500
7
INPUT (S on G)
When open 2.5V
7
0.22mA
0.15mA
0.22mA
2.5V 20K
ABL(AutomaticBeamLimiter) input pin. Recommended voltage range is 0 to 5V. When ABL function is not used, set to 5V.
17
ABL IN
When open 2.5V
1.2K
1.2K
30K
0.5mA
17
15 18 37 40
NC
19
VCC(5V)
5
20
Sync signal output pin, Being of open collector output type.
20
SonG Sep OUT
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
No.
Name
DC Voltage (V)
peripheral Circuit
Remark
Input pulses
41K 2.5~5V 0.5V~GND Clamp Pulse IN
21
21
Input at low impedance. 2.2V 0.15mA
19
SCL of I 2 CBUS (Serialclockline) VTH=2.3V
50K
22
SCL
22
2K 3V
19
SDA of I 2 CBUS (Serialdataline) VTH=2.3V
50K
23
SDA
23
2K 3V
25 26 27 28 29 D/]A OUT
D/A output pin. Output voltage range is 0~5V. Min input current is 0.18mA when D/A output pin is 1V. Max output current is 1.0mA.
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
No.
Name
DC Voltage (V)
peripheral Circuit
Remark
Input pulses
50K
R G
2.5~5V 0.5V~GND Connected to GND if not used.
30
B Retrace BLK IN 30
2.25V
31 19 19
Non-polar capacitance is required between pin31 and pin35. 10K
30K 31 Main Contrast Cont 3.5~5.5 15K 35 Main Contrast Ref 4.5
15K 15K
35
80K
33 38 41
OUTPUT (B) OUTPUT (G) OUTPUT (R) Variable
42
50
A resistor is needed on the GND side. Set discretionally to maximum 15 mA, depending on the required driving capacity.
50
Used to supply power to output emitter follower only.
42
VCC 2
12
35K
It is recommended that the IC be used between pedestal voltage 2V and 3V.
34
Main Brightness
34
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
Electrical Chracteristics
Main Contrast Control Characteristics
6 6
Sub Contrast Control Characteristics
Output Amplitude (Vp-p)
4
Output Amplitude (Vp-p)
4
2
2
Sub Contrast : MAX
0 00H 6
Main Contrast : MAX
0 00H 6
Main Contrast Control Data Brightness Control Characteristics
FFH
Sub Contrast Control Data ABL Characteristics
FFH
Output DC Voltage (VDC)
4
Output Amplitude (Vp-p)
4
2
2
Main Contrast : MAX Sub Contrast : MAX
0 0 12
0 0
Brightness Control Voltage (VDC) OSD Adjust Control Characteristics
5
ABL Control Voltage (VDC)
Sync separate input min sync width
5
6
(Video Duty=75%) Output Amplitude (Vp-p)
Duty of sync width (%)
4
8 Sync separate normal operating range 4
2 7
1u
0 0H
OSD Adjust Control Data
FH
IN
0
input amplitude (Vp-p)
0.5
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
Application Method for M52749SP
CLAMP PULSE INPUT Clamp pulse width is recommended above 15 KHz, 1.0 usec above 30 KHz, 0.5 usec above 64 KHz, 0.3 usec .
The clamp pulse circuit in ordinary set is a long round about way, and beside high voltage, sometimes connected to external terminal, it is very easy affected by large surge. Therefore, the Fig. shown right is recommended.
21
Notice of application Make the nearest distance between output pin and pull down resister. Recommended pedestal voltage of IC output signal is 2V.
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MITSUBISHI< LINEAR IC >
M52749FP
BUS CONTROLLED 3CH VIDEO PRE-AMP FOR CRT DISPLAY MONITOR
APPLICATION EXAMPLE CRT
110V
CutOffAdj
DAC OUT X5
1K
1K
0~5V
1K
BLK IN (for retrace)
5VTTL
0.01u
SDA SCL
0.01u 0.01u 0.01u 0.01u 0.01u
100 100uH
2.2u
NC
42 41 40 39 38
NC
37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
M52749FP
1 2 3
0.01u
4
5
6
7
8
100K 0.01u
9
10
11
12
0.01u
13
14
15
16
17
18
19
20
21 ClampPulse IN ABL IN
+
3.3u
NC
NC
+
3.3u
+
0.01u 47u
+
1u 0.01u
+
47u 3.3u
+
0.01u
+
47u 0.01u
0~5V 1K
75
75
75 5VTTL 5VTTL
SyncSep OUT OSD IN (B) OSD IN (G) OSD IN (R) BLK IN (for OSD)
5VTTL 5VTTL
0.01u
+
47u
+ 12V 5V INPUT (R) INPUT (G) SONG INPUT INPUT (B)
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