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M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
DESCRIPTION
M52739FP is integrated Circuit for LCD Display Monitor.It is controlled IIC BUS and Band Wide is 180MHz. It includes OSD Blanking ,OSD Mixing,Wide Band Amplifier,Main/Sub Contrast Main/Sub Brightness ,and 2 Input routes. Vcc Voltage is 5V and Flat package is used. then it is the suitable to LCD monitor.
PIN CONFIGURATION
R VCC2 R OUTPUT
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
R INPUT1 R VCC1 R INPUT2 R GND 1 GND G INPUT1 G VCC1 G INPUT2 G GND 1 GND B INPUT1 B VCC1 B INPUT2 B GND 1 GND OSD BLK IN R OSD IN G OSD IN B OSD IN GND GND
FEATURES
1.Frequency : RGB 180MHz(at -3dB) Band Width OSD 80MHz 2.Input RGB Input D range:Max1VP-P positive 2 input routes is changed by IIC BUS RGB OSD 3.5VP-P 5.0VP-P(positive) : OSD BLK 3.5VP-P 5.0VP-P(positive) RGB 2.2VP-P (Max) OSD 2.0VP-P (Max) : Output dynamic range 0.5 It can drive 14pF :
R GND2 G VCC2 G OUTPUT G GND2 GND B VCC2 B OUTPUT B GND2 GND 3.0V GND Analog Gnd
3.Output
4.Contrast
5.Brightness : Both of sub and main contrast are controlled by IIC Bus(8bit). Control Range :-15dB +15dB. 6.OSD Adjust : Both of sub and main contrast are controlled by IIC Bus(8bit). Control Range :0.5V 3.0V. 2 Control Ranges (Max1VP-P or Max2VP-P ) are able to be changed by IIC Bus.
Analog Vcc GND Clamp Pulse IN GND Digital GND SDA SCL Digital VCC
Outline:42P9R-B
RECOMMENDED OPERATING CONDITIONS
Supply Voltage Range 4.7V 5.3V Rated Supply Voltage 5.0V Consumption of electricity 800mW
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Block Diagram
M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
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M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
Absolute Maximum Rating (Ambient temperature: 25 C)
Parameter Supply voltage Power dissipation Ambient temperature Storage temperature
Recommended supply voltage range
Symbol Vcc Pd Topr Tstg Vopr Vopr'
Rating 6.0 1700 -20 -40 5.0 4.7 5.3 +75 +150
Unit V mW C C V V
Thermal Derating Curve
3.0 2.8
2.0 1.68
1.0
0
25
50
75
100
125
150
Ambient temperature Ta( C)
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M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
BUS CONTROL TABLE (1) Slave address:
D7 D6 D5 D4 D3 D2 D1 R/W
M52739FP
1
0
0
0
1
0
0
0
=88H
(2) Each function's sub address:
NO.
function
bit
sub Data Byte add. D7 A07 0 A17 1 A27 1 A37 1 A47 1 A57 1 A67 1 A77 1 0 0 0 D6 A06 1 A16 0 A26 0 A36 0 A46 0 A56 0 A66 0 A76 0 0 0 0 D5 A05 0 A15 0 A25 0 A35 0 A45 0 A55 0 A65 0 A75 0 0 0 0 D4 A04 0 A14 0 A24 0 A34 0 A44 0 A54 0 A64 0 A74 0 0 0 0 D3 A03 0 A13 0 A23 0 A33 0 A43 0 A53 0 A63 0 A73 0 A83 0 0 0 D2 A02 0 A12 0 A22 0 A32 0 A42 0 A52 0 A62 0 A72 0 A82 0 0 0 D1 A01 0 A11 0 A21 0 A31 0 A41 0 A51 0 A61 0 A71 0 A81 0 0 0 D0 A00 0 A10 0 A20 0 A30 0 A40 0 A50 0 A60 0 A70 0 A80 0 A90 0 AA0 0
1 2 3 4 5 6 7 8 9 10 11
Main contrast Sub contrast R Sub contrast G Sub contrast B Main bright Sub bright R Sub bright G Sub bright B OSD level INPUT SW OSD SW
8 8 8 8 8 8 8 8 4 1 1
00H 01H 02H 03H 04H 05H 06H 07H 08H 09H 0AH
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M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor. 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 4.7 4.0 MAX 1.5 5.5 100 unit V V KHz us us
2
VIL VIH fSCL tBUF tHD:STA tLOW tHIGH tSU:STA tHD:DAT tSU:DAT tR tF tSU:STO tR, tF
4.7 4.0 4.7 0 250 4.0
1000 300 -
us us us us ns ns ns us
tBUF VIL
SDA
VIH
tHD:STA VIL
SCL
tSU:DAT
tHD:DAT
tSU:STA
tSU:STO
VIH tLOW
S
tHIGH
S
P
S
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M52739FP
IIC BUS controlled 3channel video pre-amplifier for LCD display monitor. Vcc=5V Ta=25 C
Standard
06H Sub brt2 07H Sub brt3 08H 09H 0AH OSD INPUT OSD SW SW Adj
If SW connect is not designated RGB Input SW : SW(30,35,40)=a(b) SW(32,37,42)=b (a),SW(2,5,9,16,19,20,23,24,25,26,27)= a
BUS CTL ( H )
No
1
parameter
Symbol
Test Point
RGB Input Signal
SW Connect Supply Voltage
00H Main cont
01H Sub cont 1
02H Sub cont 2
03H Sub cont 3
04H Main brt
05H Sub brt1
MIN
TYP 100
MAX 130
Unit
Circuit current1 Output dynamic range
Icc1
IA
RGBInput SW =a(ALL)
SG2 SG2
Amplitude Variable
A6H 166
A6H 166
A6H 166
A6H 166
00H 0
00H 0
00H 0
00H 0
00H 0
mA
2
Vomax
OUT
IN
Variable Variable Variable Variable
2.2 1.0 1.0
Vp-p
3
Maximum input1 Maximum input2 Maximum gain Relative maximum gain Main contrast control characteristics 1 Main contrast control characteristics 2 Main contrast control characteristics 3 Sub contrast control characteristics 1 Sub contrast control characteristics 2 Sub contrast control characteristics 3 Main/sub contrast control characteristics
Vimax1
OUT
IN
7FH 127
7FH 127
7FH 127
7FH 127
40H 64
7FH 127
7FH 127
7FH 127
Vp-p
4
Vimax2
SG2
Amplitude Variable
OUT OUT
SW(30,35,40)=b SW(32,37,42)=a
FFH 255 FFH 255 FFH 255 FFH 255
Vp-p
5
Gv
SG1
12.0 0.8
15.0 1.0 8.6 4.2 0.4 8.6 4.2 0.4 2.0 2.5 1.5 0.5 2.0 1.5 1.0 0 0 3.0 0 0 0 3.0 0 -50 -30
18.0 1.2 10.1 5.7 0.6 10.1 5.7 0.6 2.3 2.8 1.7 0.7 2.2 1.7 1.2 3.0 1.0 5.0 1.0 1.0 1.0 5.0 1.0 -40 -20 -40 -20
dB
6
Gv C8H 200 64H 100 14H 20 7FH 127 C8H C8H 200 200 64H 100 14H 20 A6H 166 A6H 166 A6H 166 64H 100 14H 20 A6H 166 A6H 166 C8H 200 64H 100 14H 20 A6H 166 A6H 166 FFH 255 7FH 127 00H 0 7FH 127 FFH 255 7FH 127 00H 0 40H 64 7FH 127 FFH 255 7FH 127 00H 0 7FH 127 FFH 255 7FH 127 00H 0 7FH 127 00H 0 7FH 127 7FH 127 7FH 127
7
VC1
OUT
SG1
7.1 2.7 0.2 7.1 2.7 0.2 1.7 2.2 1.3 0.3 1.8 1.3 0.8 -3.0 -1.0
dB
8 9 10
VC2
OUT
SG1
dB
VC3
OUT
SG1
Vp-p
VSC1
OUT
SG1
dB
11
VSC2
OUT
SG1
dB
12 13
VSC3
OUT
SG1
Vp-p
VMSC
OUT
SG1
Vp-p
14
Main brightness control characteristics 1 Main brightness control characteristics 2 Main brightness control characteristics 3 Sub brightness control characteristics 1 Sub brightness control characteristics 2 Sub brightness control characteristics 3 Frequency characteristics 1 (50MHz-2Vpp) Frequency relative characteristics 1 (180MHz-2Vpp) Frequency characteristics 2 (50MHz-2Vpp) Frequency relative characteristics 2 (50MHz-2Vpp) Frequency characteristics 3 (180MHz-1Vpp) Frequency relative characteristics 3 (180MHz-1Vpp) Frequency characteristics 4 (180MHz-2Vpp) Frequency relative characteristics 4 (180MHz-2Vpp) Crosstalk 1 input1 - 2 50MHz-1 Crosstalk 1' input1 - 2 50MHz-1 Crosstalk 2 input1 - 2 50MHz-2 Crosstalk 2' input1 - 2 50MHz-2
VB1
OUT
RGBInput SW =a(ALL)
A6H 166
V
15
VB2
OUT
V
16
VB3
OUT
V
17 18 19
VSB1
OUT
V
VSB2
OUT
V
VSB3
OUT
Variable
V
20 21
FC1
OUT
SG3
A6H 166
dB
FC1 FC2 OUT SG3
dB
22
-3.0 -1.0
dB
23
FC2 FC3 FC3 FC4
A6H 166
dB
24
OUT
SG3
37H 55
-1.0 -1.0
dB
25
dB
26
OUT
SG3
SW(2,5,9)=b
-3.0 -1.0
dB
27
FC4 INCT1 OUT(2) OUT(5) OUT(9) OUT(2) OUT(5) OUT(9) OUT(2) OUT(5) OUT(9) OUT(2) OUT(5) OUT(9) SW(42)=b,Other SW=a SW(37)=b,Other SW=a SW(32)=b,Other SW=a 00H 0
dB
28
SG3
dB
29
INCT1'
SG3 SW(40)=b,Other SW=a SW(35)=b,Other SW=a SW(30)=b,Other SW=a 01H 1
dB
30
INCT2
SG3
-50 -30
dB
31
INCT2'
SG3
dB
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M52739FP
IIC BUS controlled 3channel video pre-amplifier for LCD display monitor. Vcc=5V Ta=25 C
Standard
06H Sub brt2 07H Sub brt3 08H 09H 0AH OSD INPUT OSD SW SW Adj
If SW connect is not designated RGB Input SW : SW(30,35,40)=a(b) SW(32,37,42)=b (a),SW(2,5,9,16,19,20,23,24,25,26,27)= a
BUS CTL ( H )
No
parameter
Crosstalk 1 between RGB ch 50MHz-1 Crosstalk 1' between RGB ch 180MHz-1 Crosstalk 2 between RGB ch 50MHz-2 Crosstalk 2' between RGB ch 180MHz-2 Crosstalk 3 between RGB ch 50MHz-3 Crosstalk 3' between RGB ch 50MHz-3 Pulse characteristics Tr1 Relative pulse characteristics Tr1 Pulse characteristics Tr2 Relative pulse characteristics Tr2 Clamp pulse threshold voltage Clamp pulse minimum width OSD input threshold voltage OSD BLK input threshold voltage
Symbol
Test Point
RGB Input Signal
SW Connect Supply Voltage
00H Main cont
01H Sub cont 1
02H Sub cont 2
03H Sub cont 3
04H Main brt
05H Sub brt1
MIN
TYP -25 -15
MAX -20 -10 -20 -10 -20
Unit
32 33 34
CHCT1
OUT
SG3
SW(42)=b,OtherSW=a 166
A6H A6H 166
A6H 166
A6H 166
40H 64
7FH 127
7FH 127
7FH 127
00H 0
dB
CHCT1'
OUT
SG3
dB dB
CHCT2
OUT OUT
SG3
SW(37)=b,OtherSW=a
-25 -15
35
CHCT2'
SG3
dB
36 37
CHCT3
OUT
SG3
SW(32)=b,OtherSW=a
-25 -15 1.7 -0.8 0.0 1.7 -0.8 0.0 2.0 0.5 0.0 0.0
dB
CHCT3'
OUT
SG3
-10
dB nS
38
Tr1 Tr1
OUT
SG1
39
-0.8
nS
40
Tf2 Tf2
OUT
SG1
nS
41 42
-0.8 2.5
nS
VthCP WCP
OUT OUT
SG1
1.5 0.2
V
43
SG1
uS
44
PDCH
OUT
SG1
V
45 46
PDCL
OUT OUT
SG1
V
OSD Pulse
characteristics Tr
OTr1
SW(24,25, 26,27)=b
00H 0
00H 0
00H 0
00H 0
40H 64
7FH 127
7FH 127
7FH 127
0FH 15
00H 0
3.0 3.0
6.0 6.0 2.3 1.2 1.3 1.2 1.3 1.2 0.7 1.2 0.2 0.15 3.0 3.0
ns ns
Vp-p
OSD Pulse 47
characteristics Tf OSD adjust control characteristics 1 OSD adjust control relative characteristics 1 OSD adjust control characteristics 2 OSD adjust control relative characteristics 2 OSD adjust control characteristics 3 OSD adjust control relative characteristics 3 OSD adjust control characteristics 4 OSD adjust control relative characteristics 4 OSD BLK characteristics OSD BLK relative characteristics OSD input threshold voltage OSD BLK input threshold voltage
OTf2 Oaj1 OUT A6H A6H 166 166 A6H 166 A6H 166
48
1.7 0.8
2.0 1.0 1.0 1.0 1.0 1.0 0.5 1.0 0.0 0.0 2.5 2.5
49 50
Oaj1 Oaj2 OUT 01H 1 00H 0
0.7 0.8
Vp-p
51
Oaj2 Oaj3 OUT
52
SW(24,25,26,27)=b
0FH 15
01H 1
0.7 0.8
Vp-p
53
Oaj3 Oaj4 OUT 01H 1 01H 1
54
0.3 0.8
Vp-p
55
Oaj4 00H 0
56
OBLK OBLK VthOSD
OUT
0.0 -0.15
Vp-p
57 58
OUT
2.0
SG1
V
59
VthBLK
OUT
SW(27)=b
2.0
V
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M52739FP
IIC BUS controlled 3channel video pre-amplifier for LCD display monitor. Vcc=5V Ta=25 C
Standard
06H Sub brt2 07H Sub brt3 08H 09H 0AH OSD INPUT OSD SW SW Adj
If SW connect is not designated RGB Input SW : SW(30,35,40)=a(b) SW(32,37,42)=b (a),SW(2,5,9,16,19,20,23,24,25,26,27)= a
BUS CTL ( H )
No
60
parameter
Symbol
Test Point
RGB Input Signal
SW Connect Supply Voltage
00H Main cont
01H Sub cont 1
02H Sub cont 2
03H Sub cont 3
04H Main brt
05H Sub brt1
MIN
TYP -0.7 0.7
MAX
Unit
Pin16 Input Current H
I16H I16L I19H I19L I20H I20L
I16 I16 I19 I19 I20
SW(16)=b V16=5V SW(16)=b V16=0V SW(19)=b V19=5V SW(19)=b V19=0V SW(20)=b V20=5V SW(20)=b V20=0V SW(24,25,26)=b VOSD=5V SW(24,25,26)=b VOSD=0V SW(27)=b V27=5V SW(27)=b V27=0V
uA mA nA uA nA uA mA mA mA mA
61 Pin16
Input Current L Pin19 Input Current H
62
0 40 0 0.7 -1.3 1.5 -1.3 1.5
63 Pin19
Input Current L Pin20 Input Current H
64
65 Pin20
Input Current L
66 Input Current H
Pin24 25 26 67 Input Current L
Pin24 25 26
I20 I24 IOSDH I25 I26 I24 IOSDL I25 I26 I27H I27L I27 I27
68
Pin27 Input Current H
69 Pin27
Input Current L
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M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
1) Measuring conditions are as listed in supplementary Table. Measured with a current meter at test point IA. 2) Decrease Main Brt or Sub Brt gradually, and measure the voltage when the bottom of waveform output is distorted. The voltage is called VOL. Next, increase V30 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) VOH
Waveform output
VOL 0.0
3)
Increase the input signal(SG2) at Input1 amplitude gradually, starting from 700mVp-p. Measure the amplitude of the input signal when the output signal starts becoming distorted. Increase the input signal(SG2) at Input2 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(2,5,9). The amplitude is called VOUT(2,5,9).Maximum gain GV is calculated by the equation below: GV = 20 LOG VOUT 0.7 (dB)
4) 5)
6)
Relative maximum gain GV is calculated by the equation below: GV = VOUT(2) / VOUT(5), VOUT(5) / VOUT(9), VOUT(9) / VOUT(2)
7)
Measuring the amplitude output at OUT(2,5,9). The measured value is called VOUT(2,5,9). VOUT VC1=20 LOG 0.7 (dB)
8) 9) 10) 11) 12) 13)
Measuring condition and procedure are the same as described in Note7. Measuring condition and procedure are the same as described in Note7. Measuring condition and procedure are the same as described in Note7. Measuring condition and procedure are the same as described in Note7. Measuring condition and procedure are the same as described in Note7. Measuring condition and procedure are the same as described in Note7.
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M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
14) 15) 16) 17) 18) 19) 20)
Measure the DC voltage output at OUT(2,5,9). The measured value is called VB1. Measuring condition and procedure are the same as described in Note14. Measuring condition and procedure are the same as described in Note14. Measuring condition and procedure are the same as described in Note14. Measuring condition and procedure are the same as described in Note14. Measuring condition and procedure are the same as described in Note14. First, SG3 to 1MHz is as input signal. Control the main contrast in order that the amplitude of sine wave output is 2.0Vpp.Control the brightness in order that the bottom of sine wave output is 1.0V.By the same way, measure the output amplitude when SG3 to 50MHz is as input signal.The measured value is called VOUT(2,5,9). Frequency characteristics FC1(2,5,9) is calculated by the equation below:
VOUT Vp-p FC1=20 LOG output amplitude when inputed SG3(1MHz) : 4.0Vp-p (dB)
21) 22) 23) 24)
Relative characteristics FC1 is calculated by the difference in the output between the channels. Measuring condition and procedure are the same as described in Note33,expect SG3 to Relative characteristics FC2 is calculated by the difference in the output between the channels. 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 180MHz is as input signal. Relative characteristics FC3 is calculated by the difference in the output between the channels. Change OUT SW from a to b .Measuring condition and procedure are the same as described in Note33 Relative characteristics FC4 is calculated by the difference in the output between the channels.
25)
26)
27)
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28)
M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
Input SG3 (50MHz) to pin42 only, set Input SW of IIC BUS to 0 and then measure the waveform amplitude output at OUT(2).The measured value is called VOUT(2).On equal terms set Input SW of IIC BUS to 1.And then measure the waveform amplitude output at OUT(2)'.Crosstalk INCT1 is calculated by the equation below: VOUT(2)'
(dB) VOUT(2) Similarly measure the waveform amplitude output at OUT(5) when signal input only Pin37 and OUT(9)when signal input only Pin32 and calculate crosstalk 29) 30) Measuring condition and procedure are the same as described in Note28,expect SG3 to 180MHz. Input SG3 (50MHz) to pin40 only, set Input SW of IIC BUS to 1 and then measure the waveform amplitude output at OUT(2).The measured value is called VOUT(2).On equal terms set Input SW of IIC BUS to 0.And then measure the waveform amplitude output at OUT(2)'.Crosstalk INCT2 is calculated by the equation below: INCT2= 20 LOG VOUT(2)' VOUT(2) (dB)
INCT1= 20 LOG
Similarly measure the waveform amplitude output at OUT(5) when signal input only Pin35 and OUT(9)when signal input only Pin30 and calculate crosstalk. 31) 32) Measuring condition and procedure are the same as described in Note30,expect SG3 to 180MHz. Input SG3 (50MHz) to pin42 only, and then measure the waveform amplitude output at OUT(2,5,9).The measured value is called VOUT(2,5,9).Crosstalk CHCT1 is calculated by the equation below: CHCT1= 20 LOG VOUT(5,9) VOUT(2) (dB)
33) 34)
Measuring condition and procedure are the same as described in Note32,expect SG3 to 180MHz. Input SG3 (50MHz) to pin37 only, and then measure the waveform amplitude output at OUT(2,5,9).The measured value is called VOUT(2,5,9).Crosstalk CHCT2 is calculated by the equation below: VOUT(2,9) (dB) CHCT2= 20 LOG VOUT(5) Measuring condition and procedure are the same as described in Note34,expect SG3 to 180MHz. Input SG3 (50MHz) to pin32 only, and then measure the waveform amplitude output at OUT(2,5,9).The measured value is called VOUT(2,5,9).Crosstalk CHCT3 is calculated by the equation below: VOUT(2,5) (dB) CHCT3= 20 LOG VOUT(9) Measuring condition and procedure are the same as described in Note36,expect SG3 to 180MHz.
35) 36)
37)
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38)
M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
Control the contrast in order that the amplitude of output signal is 2.0Vp-p. Control the brightness in order that the Black level of output signal is 1.0V. 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 prove. Pulse characteristics TR is calculated by the equations below :
TR = 39)
(Tr2) - (Tr1)
2
2
(nsec)
Relative Pulse characteristics1 Tr is calculated by the equation below: Tr =VOUT(2) - VOUT(5) , VOUT(5) - VOUT(9) , VOUT(9) - VOUT(2)
40)
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 prove. Pulse characteristics TF is calculated by the equations below : TF = (Tf2) - (Tf1)
2 2
(nsec)
41)
Relative Pulse characteristics2 Tf is calculated by the equation below: Tf = VOUT(2) - VOUT(5) , VOUT(5) - VOUT(9) , VOUT(9) - VOUT(2)
100%
90%
10% 0% Tr1 or Tr2 Tf1 or Tf2
42)
Turn down the SG4 input level gradually from 5.0Vp-p, monitoring the waveform output.Measure the top level of input pulse when the output pedestal voltage turn decrease with unstable. Decrease the SG4 pulse width gradually from 0.5us, monitoring the output. Measure the SG4 pulse width (a point of 1.5V) when the output pedestal voltage turn decrease with unstable.
43)
44)
Measure the pedestal voltage at 25 C. The measured value is called PDC1. Measure the pedestal voltage at temperature of - 20 C. The measured value is called PDC2.Pedestal voltage temperature characteristics 1 is calculated by the equation below: Measure the pedestal voltage at temperature of 75 C. The measured value is called PDC3.Pedestal voltage temperature characteristics 2 is calculated by the equation below:
45)
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M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
46) Measure the time needed for the output pulse to rise from 10% to 90% (OTR) with an active prove. 47) Measure the time needed for the output pulse to fall from 90% to 10% (OTF) with an active prove. 48) Measure the amplitude output at OUT(2,5,9). The measured value is called VOUT(2,5,9), and is treated as Oaj1. 49) Relative characteristics Oaj1 is calculated by the equation below:
Oaj1 = VOUT(2) / VOUT(5), VOUT(5) / VOUT(9), VOUT(9) / VOUT(2) 50) Measuring condition and procedure are the same as described in Note48. 51) Measuring condition and procedure are the same as described in Note49. 52) Measuring condition and procedure are the same as described in Note48. 53) Measuring condition and procedure are the same as described in Note49. 54) Measuring condition and procedure are the same as described in Note48. 55) Measuring condition and procedure are the same as described in Note49. 56) Measuring the amplitude output at OUT(2,5,9). The measured value is called OBLK. 57) Relative OSD BLK characteristics OBLK is calculated by the equation below:
OBLK = VOUT(2) / VOUT(5), VOUT(5) / VOUT(9), VOUT(9) / VOUT(2) 58) Reduce the SG5 input level gradually, monitoring output.Measure the SG5 level when the output reaches 0V. The measured value is called VthOSD. 59) Confirm that output signal is being blanked by the SG5 at the time. Monitoring to output signal, decreasing the level of SG5. Measure the top level of SG6 when the blanking period is disappeared. The measured value is called VthBLK. 60) Supply 5V to V16,and then measure input current into Pin16 61) Supply 0V to V16,and then measure input current into Pin16 62) Supply 5V to V19,and then measure input current into Pin19 63) Supply 0V to V19,and then measure input current into Pin19 64) Supply 5V to V20,and then measure input current into Pin20 65) Supply 0V to V20,and then measure input current into Pin20 66) Supply 5V to V(24,25,26)and then measure input current into Pin(24,25,26) 67) Supply 0V to V(24,25,26)and then measure input current into Pin(24,25,26) 68) Supply 5V to V27,and then measure input current into Pin27 69) Supply 0V to V27,and then measure input current into Pin27
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SG No.
M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
INPUT SIGNAL
33us
SG1 Video signal (all white) SG2 Video signal (step wave)
8us
Pulse with amplitude of 0.7Vp-p (f=30KHz). Video width of 25us. 0.7VP-P (75%)
Amplitude is partially variable 0.7VP-P
SG3 Sine wave
(for freq. char.)
0.5us
Sine wave amplitude of 0.7Vp-p. f=1MHz,50MHz,150MHz (variable)
SG4 Clamp pulse
Pulse width 5VTTL and amplitude are variable.
SG5 OSD pulse
5us
5VTTL
Amplitude is partially variable
fH=30KHz
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TEST CIRCUIT
M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
1K
10pF
1K
10pF
1K
10pF
SW27 SW26 SW25 SW24
MITSUBISHI
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21
MITSUBISHI
TENTATIVE
Main Contrast Control Characteristics Input0.7Vp-p
3 3
M52739FP
Sub Contrast Control Characteristics Input0.7Vp-p
IIC BUS controled 3channel video pre-amplifier for LCD display monitor. Electrical Characteristics
2.2V 2
Sub Contrast FFH
2.2V 2
Main Contrast FFH
7FH 1 00H 0 00H 0 00H 1
7FH
00H
Main Contrast Control Data
FFH
Main Contrast Control Data
FFH
4
Main Brightness Control Characteristics
4
Sub Brightness Control Characteristics
3
3
Main Brightness FFH Sub Brightness FFH
2 7FH 00H 1 0.5V 0 00H 1 0.5V 00H 2 7FH
Main Brightness Control Data OSD Adjust Control Characteristics
FFH
0 00H
Sub Brightness Control Data
FFH
2
OSD SW:0
1 OSD SW:1
0 00H
OSD Adjust Control Data
FFH
MITSUBISHI
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TENTATIVE
M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
Application Method
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.
16
Notice of application
1.Recommended pedestal voltage of IC output signal is 1V. 2.This IC has 2 Input routes. When the 2 Input signal input at different timing,clamp pulses which synchronize with selected signals is needed. In this case,it is necessary to change clamp pulses by the outside circuit.
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APPLICATION EXAMPLE
R INPUT1 INPUT2 G INPUT1 INPUT2 B INPUT1 INPUT2
M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
5VTTL 5VTTL 5VTTL 5VTTL
OSD BLK IN R OSD IN G OSD IN B OSD IN
75 3.3uF 3.3uF
75 3.3uF
75 3.3uF
75 3.3uF
75 3.3uF
75
47uF
47uF
47uF
42
41
40
39
38
37
36
35
34
33
32
31 30
29
28
27
26
25
24
23
22
M52739FP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
SCL SDA
47uF 47uF 47uF 47uF
1K
1K
1K
47uF
R OUTPUT
G OUTPUT
B OUTPUT
1k
Clamp Pulse IN
5V
Condenser:0.01uF(unless otherwise specified.)
MITSUBISHI
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Terminal Description
Name
1 4 8 R VCC 2 5 DC Voltage (V)
M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
peripheral Circuit
Remark
G VCC 2
B VCC2
2
OUTPUT (R)
2
5
OUTPUT (G) 20mA
9
OUTPUT (B)
3
R GND 2
6
G GND 2
GND
10
B GND 2
13
Analog Gnd
GND
14
Analog Vcc
5
more than 200nSec 21K
16
Clamp Pulse In
16
2.5 1K 2.0V 2.0V 0.2mA 0.5V
5V GND
Input at low impedance.
MITSUBISHI
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TENTATIVE
M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
Name
DC Voltage (V) GND
peripheral Circuit
Remark
18
Digital GND
50K 19 SDA 19 2K 3V
SDA for II C (Serial data line) VTH=2.3V
50K 20 SCL 20 2K 3V
SCL for II C (Serial clock line) VTH=2.3V
21
Digital Vcc
5V
Input pulses
24
B OSD IN
3.5 1.0V
5V GND
25
G OSD IN
24 1k 2.5V 1k 2.5V
26
R OSD IN
MITSUBISHI
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M52739FP
IIC BUS controled 3channel video pre-amplifier for LCD display monitor.
DC Voltage (V)
No.
Name
peripheral Circuit
Remark
Input pulses
3.5 27 OSD BLK IN 27 1k 330 2.5V 2.5V 1.0V
Connected to GND if not used.
5V GND
1.5mA 29 34 39 B GND 1 G GND 1 R GND 1 GND
30 32 35 37 40 42
B INPUT 2 2K B INPUT 1 G INPUT 2
2.1 V
2K
Clamped to about 2.1 V due to clamp pulses from pin16. Input at low impedance.
30
G INPUT 1 R INPUT 2 R INPUT 1
50 2.0V CP 0.3mA 0 (off) 3.5V(on)
31 36 41 7 11 12 15 17 2 2 3 28 33 38
R VCC 1 G VCC 1 B VCC 1 5
NC
Connect GND for radiation of heat
MITSUBISHI
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