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M52742ASP
BUS Controlled 3-Channel Video Preamp for CRT Display Monitor
REJ03F0192-0201 Rev.2.01 Mar 31, 2008
Description
M52742ASP is semiconductor integrated circuit for CRT display monitor. It includes OSD blanking, OSD mixing, retrace blanking, wide band amplifier, brightness control, uniformity function. Main/sub contrast and OSD adjust function can be controlled by I2C BUS.
Features
* Frequency band width: RGB 200 MHz (at -3 dB) OSD 80 MHz Input: RGB 0.7 VP-P (typ.) OSD 3 VP-P min. (positive) BLK (for OSD) 3 VP-P min. (positive) Retrace BLK 3 VP-P min. (positive) Output: RGB 5.5 VP-P (max.) OSD 5 VP-P (max.) * Main contrast and sub contrast can be controlled by I2C BUS. * Include internal and external pedestal clamp circuit.
Application
CRT display monitor
Recommended Operating Condition
Supply voltage range: Rated supply voltage: 11.5 to 12.5 V (V3, V8, V12, V36) 4.5 to 5.5 V (V17) 12.0 V (V3, V8, V12, V36) 5.0 V (V17)
Major Specification
BUS controlled 3ch video pre-amp with OSD mixing function and retrace blanking function
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 1 of 26
M52742ASP
Block Diagram
MAIN BRIGHTNESS 30 OSD IN (R) INPUT (R) VCC1 (R) 12 V GND1 (R) OSD IN (G) INPUT (G) VCC1 (G) 12 V 4 2 3 5 9 6 8 Clamp Sub contrast Sub Cont (8 bit) Main contrast OSD Mix Amp Retrace blanking 32 OUTPUT (G) Clamp Sub contrast Sub Cont (8 bit) Main contrast OSD Mix Amp Retrace blanking 35 OUTPUT (R) RETRACE BLK IN 27
Clamp F/B
34 EXT FEED BACK (R)
GND1 (G) 10 OSD IN (B) 13 INPUT (B) 11 VCC1 (B) 12 V 12 GND1 (B) 14 CONTRAST 15 (ABL) IN INPUT (SOG) 7 Sync on Green Sep Clamp
Clamp F/B
31 EXT FEED BACK (G)
Sub contrast Sub Cont (8 bit)
Main contrast
OSD Mix
Amp
Retrace blanking
29 OUTPUT (B)
Main contrast 8 bit
OSD level 4 bit
Clamp F/B
28 EXT FEED BACK (B) VCC 5 V (DIGITAL) 21 SDA 17 20 SCL 22 GND (5 V)
SOG SEP OUT 18 19 CLAMP PULSE IN 16 UNIFORMITY IN 36 33 1
R Sub Cont 8 bit G Sub Cont 8 bit B Sub Cont 8 bit
DAC
BUS I/F
23 24 25 26 DAC OUTPUT FOR CUT-OFF adj
VCC2 GND2 OSD BLK IN = 12 V
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 2 of 26
M52742ASP
Pin Arrangement
M52742ASP
OSD BLK IN INPUT (R) VCC1 (R) OSD IN (R) GND1 (R) INPUT (G) INPUT (SOG) VCC1 (G) OSD IN (G) GND1 (G) INPUT (B) VCC1 (B) OSD IN (B) GND1 (B) ABL IN UNIFORMITY IN VCC = 5 V SOG SEP OUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 VCC2 35 OUTPUT (R) 34 EXT FEED BACK (R) 33 GND2 32 OUTPUT (G) 31 EXT FEED BACK (G) 30 MAIN BRIGHTNESS 29 OUTPUT (B) 28 EXT FEED BACK (B) 27 RETRACE BLK IN 26 D/A OUT1 25 D/A OUT2 24 D/A OUT3 23 D/A OUT4 22 GND (5 V) 21 SDA 20 SCL 19 CLAMP PULSE IN
(Top view) Outline: 36P4E
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 3 of 26
M52742ASP
Absolute Maximum Ratings
(Ta = 25C)
Item Supply voltage (pins 3, 8, 12, 36) Supply voltage (pin 17) Power dissipation Ambient temperature Storage temperature Recommended supply 12 Recommended supply 5 Symbol VCC12 VCC5 Pd Topr Tstg Vopr12 Vopr5 Ratings 13.0 6.0 2403 -20 to +75 -40 to +150 12.0 5.0 Unit V V mW C C V V
Electrical Characteristics
(VCC = 12 V, 5 V, Ta = 25C, unless otherwise noted)
Test Point Min. Typ. Max. Unit (s) 6.0 1.6 126 18 8.0 146 25 19.4 1.2 18.5 mA mA IA IB
Limits
Input
2, 6, 1 4, 9 19 27 7 16 11 OSD 13 CP in ReT SOG UNI BLK RGB BLK OSD in in in in
CTL Voltage
30 Bright 15 ABL 00H Main Cont FFH 255 01H 02H Sub Sub Cont Cont 1 2 FFH 255 FFH 255 03H Sub Cont 3 FFH 255
BUS CTL (H)
04H OSD Adj 00H 0 05H BLK Adj 00H 0 06H 07H D/A D/A OUT OUT 1 2 FFH 255 FFH 255 08H D/A OUT 3 FFH 255 09H D/A OUT 4 FFH 255 0BH INT EXT 00H 0
Item
Circuit current1 Circuit current2 Output dynamic range Maximum input Maximum gain Relative maximum gain Main contrast control characteristics1 Main contrast control relative characteristics1 Main contrast control characteristics2 Main contrast control relative characteristics2 Main contrast control characteristics3 Main contrast control relative characteristics3 Sub contrast control characteristics1 Sub contrast control relative characteristics1 Sub contrast control characteristics2 Sub contrast control relative characteristics2 Sub contrast control characteristics3 Sub contrast control relative characteristics3
Symbol ICC1 ICC2 Vomax Vimax Gv Gv VC1 VC1 VC2 VC2 VC3 VC3 VSC1 VSC1 VSC2 VSC2 VSC3 VSC3
a a
b SG2
a a a
a a a a a a
b SG5 b SG5 b SG5 b SG5 b SG5
a a a a a a
a a a a a a
a a a a a a
4.0 5.0 4.0 5.0
Vari 5.0 able
VP-P OUT VP-P dB dB
b a IN SG2 OUT Variable
2.0 5.0 2.0 5.0
64H 100 FFH 255
16.5 17.7 0.8 1.0
OUT OUT
b SG1
a a
b SG1
b SG5
C8H 200
15.5 17.0
2.0 5.0
0.8
1.0
1.2
9.5
11.0
12.5
dB
OUT
b SG1
a
a
b SG5
a
a
a
2.0 5.0
64H 100
0.8
1.0
1.2
0.2
0.4
0.6
VP-P OUT
b SG1
a
a
b SG5
a
a
a
2.0 5.0
14H 20
0.8
1.0
1.2
16.0 17.5
19.0
dB
OUT
b SG1
a
a
b SG5
a
a
a
2.0 5.0
FFH 255
C8H 200
C8H 200
C8H 200
0.8
1.0
1.2

12.0 13.5
15.0
dB
OUT
b SG1
a
a
b SG5
a
a
a
2.0 5.0
FFH 255
64H 100
64H 100
64H 100
0.8
1.0
1.2

1.5
1.9
2.2
VP-P OUT
b SG1
a
a
b SG5
a
a
a
2.0 5.0
FFH 255
14H 20
14H 20
14H 20
0.8
1.0
1.2

REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 4 of 26
M52742ASP
Electrical Characteristics (cont.)
Test Point Symbol Min. Typ. Max. Unit (s)
Limits
Input
2, 6, 11 RGB in 1 4, 9 19 27 7 OSD 13 CP in ReT SOG BLK OSD BLK in in 16 UNI in
CTL Voltage
30 Bright 15 ABL 00H Main Cont C8H 200 01H Sub Cont 1 C8H 200 02H Sub Cont 2 C8H 200
BUS CTL (H)
03H 04H Sub OSD Cont Adj 3 C8H 200 05H BLK Adj 06H D/A OUT 1 07H D/A OUT 2 08H D/A OUT 3 09H D/A OUT 4 0BH INT EXT
Item
Main/sub contrast control characteristics Main/sub contrast control relative characteristics ABL control characteristics1 ABL control relative characteristics1 ABL control characteristics2 ABL control relative characteristics2 Brightness control characteristics1 Brightness control relative characteristics1 Brightness control characteristics2 Brightness control relative characteristics2 Brightness control characteristics3 Brightness control relative characteristics3 Frequency characteristics1 (f = 50 MHz) Frequency relative characteristics1 (f = 50 MHz) Frequency characteristics1 (f = 200 MHz) Frequency relative characteristics1 (f = 200 MHz) Frequency characteristics2 (f = 200 MHz) Frequency relative characteristics2 (f = 200 MHz) Crosstalk1 (f = 50 MHz) Crosstalk1 (f = 200 MHz) Crosstalk2 (f = 50 MHz) Crosstalk2 (f = 200 MHz) Crosstalk3 (f = 50 MHz) Crosstalk3 (f = 200 MHz)
VMSC
3.5
4.1 1.0
4.7 VP-P 1.2
OUT
b SG1
a
a
b SG5
a
a
a
2.0 5.0
VMSC 0.8 ABL1 ABL1 ABL2 ABL2 VB1 VB1 VB2 VB2 VB3 VB3 FC1 FC1 FC1' FC1' FC2 FC2 C.T.1 C.T.1' C.T.2 C.T.2' C.T.3 C.T.3'
4.2 0.8

5.0 1.0
5.8 VP-P 1.2
OUT
b SG1
a
a
b SG5
a
a
a
2.0 4.0
FFH 255
FFH 255
FFH 255
FFH 255
2.6 0.8
3.1 1.0
3.6 VP-P 1.2 V
OUT OUT
b SG1
a a
a
b SG5
a
a
a a
2.0 2.0
a
a
b SG5
a a
3.3 -0.3
3.7
4.1
4.0 5.0
0
0.3
V
1.5
1.8
2.1
V
OUT OUT
a a
a a
a
b SG5
a
a
a a
2.0 5.0
-0.3 0.7 -0.3 -2.0 -1.0 -3.0 -1.0
0
0.3
V
a
b SG5
a a
0.9
1.1
V
1.0 5.0
0
0.3
V
0
2.5
dB
OUT
b SG3
a
a
a 5V
a
a
a Vari 5.0 Vari
able able
0
1.0
dB

0
3.0
dB
OUT
b SG3
a
a
a 5V
a
a
a Vari 5.0
able
Vari able
FFH 255
FFH 255
FFH 255
00H 0
00H 0
FFH 255
FFH 255
FFH 255
FFH 255
00H 0
0
1.0
dB

-3.0 3.0 -1.0
5.0
dB
OUT
b SG3
a
a
a 5V
a
a
a Vari 5.0
able
0
1.0
dB
a a a a a a
a a a a a a
a 5V a 5V a 5V a 5V a 5V a 5V
a a a a a a a a a a a a
a a a a a a
Vari able Vari able Vari able Vari able Vari able Vari able
5.0 5.0 5.0 5.0 5.0 5.0
FFH 255
-25 -20 -15 -10 -25 -20 -15 -10 -25 -20 -15 -10
dB dB dB dB dB dB
OUT (29) 2bSG3 OUT (32) 6a 11a OUT (29) 2bSG3 OUT (32) 6a 11a OUT (29) 2a OUT (35) 6bSG3 11a OUT (29) 2a OUT (35) 6bSG3 11a OUT (32) 2a OUT (35) 6a 11bSG3 OUT (32) 2a OUT (35) 6a 11bSG3
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 5 of 26
M52742ASP
Electrical Characteristics (cont.)
Test Point Symbol Min. Typ. Max. Unit (s)
Limits
Input
2, 6, 1 11 OSD RGB BLK in 4, 9 19 13 CP in OSD in 27 ReT BLK 7 SOG in 16 UNI in
CTL Voltage
30 Bright 15 00H ABL Main Cont 01H 02H 03H Sub Sub Sub Cont Cont Cont 1 2 3
BUS CTL (H)
04H OSD Adj 05H BLK Adj 06H D/A OUT 1 07H 08H D/A D/A OUT OUT 2 3 09H 0BH D/A INT OUT EXT 4
Item
Pulse characteristics1 (4 VP-P) Pulse characteristics2 (4 VP-P) Relative pulse characteristics1 Relative pulse characteristics2 Clamp pulse threshold voltage Clamp pulse minimum width OSD pulse characteristics1 OSD pulse characteristics2
Tr Tf Tr Tf VthCP WCP OTr OTf
-0.8 -0.8 1.0 0.2 4.6 0.8
1.7

ns
OUT
b SG1 b SG1 b SG1 b SG1 b SG1 b SG1
a
a
b SG5 b SG5 b SG5 b SG5 b SG5
Variable
a
a
a
Vari 5.0 Vari able able Vari 5.0 Vari able able Vari 5.0 Vari able able Vari 5.0 Vari able able
2.2
ns
OUT
a
a
a
a
a
0 0 1.5 0.5 3.0 3.0 5.4 1.0
0.8 0.8 2.0 6.0 6.0
ns ns V s ns ns
OUT OUT OUT OUT OUT OUT OUT
a a a a a a
a a a a
a a a a a a a
a a a a a a a
a a a a a a a
2.0 5.0 2.0 5.0 2.0 5.0 2.0 5.0 2.0 5.0
FFH 255
b SG5
Variable
a a a
b b SG6 SG5 b b SG6 SG5
08H 8 08H 8 0FH 15
OSD adjust control Oaj1 characteristics1 OSD adjust control relative characteristics1 OSD adjust control characteristics2 OSD adjust control relative characteristics2 OSD BLK characteristics OSD relative characteristics OSD input threshold voltage OSD BLK input threshold voltage Retrace BLK characteristics1 Retrace BLK characteristics2 Retrace BLK characteristics3 Retrace BLK input threshold voltage SOG input maximum noise voltage SOG minimum input voltage Sync output high level Sync output low level Sync output delay time1
6.2 VP-P 1.2
b b b SG6 SG6 SG5
Oaj1 Oaj2 Oaj2 OBLK
2.8 0.8
3.3 1.0
3.8 VP-P 1.2
OUT
a
b b b SG6 SG6 SG5
a
a
a
2.0 5.0
08H 8
0
-0.1 -0.3 VP-P 0 0.2 VP-P
OUT
a
b SG6
a
b SG5
a
a
a
2.0 5.0
00H 0
OBLK -0.2
VthOSD 2.2 2.7 VthBLK 2.2 2.7 HBLK1 HBLK2 HBLK3
1.7 0.7 0.1 2.0 1.0 0.4
3.2 3.2 2.3 1.3 0.7 2.0
V V V V V V
OUT OUT OUT OUT OUT OUT
a
b SG1
b b b SG6 SG6 SG5
Variable
a a
a a a a a a
a a a a a a
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 00H 0 0FH 15 06H 6 00H 0 08H 8
b SG6
Variable
a a a a a
b SG5
a a a a
a a a a
b b SG5 SG7 b b SG5 SG7 b b SG5 SG7 b b SG5 SG7
Variable
VthRET 1.0 1.5

SS-NV
0.02 VP-P
SonG IN Sync OUT
a
a
a
a
a
b SG4
Variable
a
2.0 5.0

SS-SV
0.2
0.3
VP-P
SonG IN Sync OUT
a
a
a
a
a
b SG4
Variable
a
2.0 5.0

VSH
VSL TDS-F
4.5 0 0
4.9 0.3 60
5.0 0.6 90
V V ns
Sync OUT
a a a
a a a
a a a
a a a
a a a
b SG4 b SG4 b SG4
a a a
2.0 5.0 2.0 5.0 2.0 5.0

Sync OUT
Sync OUT
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 6 of 26
M52742ASP
Electrical Characteristics (cont.)
Limits Item
Sync output delay time2 D/A H output voltage D/A L output voltage D/A nonlinearity Uniformity characteristics1 Uniformity characteristics2 D/A input current range D/A output current range
Input
2, 6, 11 RGB in 1 4, 9 19 OSD 13 CP in BLK OSD in 27 ReT BLK 7 SOG in 16 UNI in
CTL Voltage
30 Bright 15 00H ABL Main Cont 01H 02H 03H Sub Sub Sub Cont Cont Cont 1 2 3
BUS CTL (H)
04H OSD Adj 05H BLK Adj 06H D/A OUT 1 07H 08H D/A D/A OUT OUT 2 3 09H 0BH D/A INT OUT EXT 4
Symbol TDS-R VOH VOL DNL UNI1 UNI2 IA- IA+
Test Point (s) Min. Typ. Max. Unit 0 4.5 0 -1.0 7 3.5 0.18 60 5.0 0.5 10 5 90 5.5 1.0 ns VDC VDC Sync OUT D/A OUT D/A OUT D/A OUT OUT OUT D/A OUT D/A OUT
a a a a
b SG1 b SG1
a a a a a a a a
a a a a a a a a
a a a a
b SG5 b SG5
a a a a a a a a
b SG4
a a a a
b SG6 2.5 V b SG6 1.25 V
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
00H 0 C8H 200 FFH 255
FFH 255
FFH 255
FFH 255
00H 0
00H 0
FFH 255 00H 0 Vari able
FFH 255 00H 0 Vari able FFH 255
FFH 255 00H 0 Vari able FFH 255
FFH 255 00H 0 Vari able FFH 255
00H 0
a a a a a a a
1.0 LSB 13 6.5 % % mA
C8H 200
C8H 200
C8H 200
FFH 255
a a
a a
a a
00H 0
00H 0
00H 0
00H 0
00H 0
00H 0
00H 0
00H 0
00H 0
00H 0
1.0 mA
Electrical Characteristics Test Method
ICC1 Circuit Current1 Measuring conditions are as listed in supplementary Table. Measured with a current meter at test point IA. ICC2 Circuit Current2 Measuring conditions are as listed in supplementary Table. Measured with a current meter at test point IB. Vomax Output Dynamic Range Decrease V30 gradually, and measure the voltage when the 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. Voltage Vomax is calculated by the equation below: Vomax = VOH - VOL
(V) VOH 5.0
Waveform output
VOL 0.0
Vimax Maximum Input Increase the input signal (SG2) amplitude gradually, starting from 700 mVP-P. Measure the amplitude of the input signal when the output signal starts becoming distorted.
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 7 of 26
M52742ASP GV Maximum Gain Input SG1, and read the amplitude output at OUT (29, 32, 35). The amplitude is called VOUT (29, 32, 35). Maximum gain GV is calculated by the equation below:
GV = 20log VOUT (dB) 0.7
GV Relative Maximum Gain Relative maximum gain GV is calculated by the equation below: GV = VOUT (29) / VOUT (32), VOUT (32) / VOUT (35), VOUT (35) / VOUT (29) VC1 Main Contrast Control Characteristics1 Measuring the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Main contrast control characteristics VC1 is calculated by the equation below:
VC1 = 20log VOUT (dB) 0.7
VC1 Main Contrast Control Relative Characteristics1 Relative characteristics VC1 is calculated by the equation below: VC1 = VOUT (29) / VOUT (32), VOUT (32) / VOUT (35), VOUT (35) / VOUT (29) VC2 Main Contrast Control Characteristics2 Measuring condition and procedure are the same as described in VC1. VC2 Main Contrast Control Relative Characteristics2 Measuring condition and procedure are the same as described in VC1. VC3 Main Contrast Control Characteristics3 Measuring the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). VC3 Main Contrast Control Relative Characteristics3 Measuring condition and procedure are the same as described in VC1.
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 8 of 26
M52742ASP VSC1 Sub Contrast Control Characteristics1 Measure the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Sub contrast control characteristics VSC1 is calculated by the equation below:
VSC1 = 20log VOUT (dB) 0.7
VSC1 Sub Contrast Control Relative Characteristics1 Relative characteristics VSC1 is calculated by the equation below: VSC1 = VOUT (29) / VOUT (32), VOUT (32) / VOUT (35), VOUT (35) / VOUT (29). VSC2 Sub Contrast Control Characteristics2 Measuring condition and procedure are the same as described in VSC1. VSC2 Sub Contrast Control Relative Characteristics2 Measuring condition and procedure are the same as described in VSC1. VSC3 Sub Contrast Control Characteristics3 Measuring the amplitude output at OUT (29, 32, 35). The measured value is called VSC3 VSC3 Sub Contrast Control Relative Characteristics3 Measuring condition and procedure are the same as described in VSC1. VMSC Main/sub Contrast Control Characteristics Measure the amplitude output at OUT (29, 32, 35). The measured value is called VMSC. VMSC Main/sub Contrast Control Relative Characteristics Relative characteristics VMSC is calculated by the equation below: VMSC = VOUT (29) / VOUT (32), VOUT (32) / VOUT (35), VOUT (35) / VOUT (29) ABL1 ABL Control Characteristics1 Measure the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35), and is treated as ABL1. ABL1 ABL Control Relative Characteristics1 Relative characteristics ABL1 is calculated by the equation below: ABL1 = VOUT (29) / VOUT (32) , VOUT (32) / VOUT (35) , VOUT (35) / VOUT (29)
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 9 of 26
M52742ASP ABL2 ABL Control Characteristics2 Measuring condition and procedure are the same as described in ABL1. ABL2 ABL Control Relative Characteristics2 Measuring condition and procedure are the same as described in ABL1. VB1 Brightness Control Characteristics1 Measure the DC voltage at OUT (29, 32, 35) with a voltmeter. The measured value is called VOUT (29, 32, 35), and is treated as VB1. VB1 Brightness Control Relative Characteristics1 Relative characteristics VB1 is calculated by the difference in the output between the channels. VB1 = VOUT (29) - VOUT (32), VOUT (32) - VOUT (35), VOUT (35) - VOUT (29) VB2 Brightness Control Characteristics2 Measuring condition and procedure are the same as described in VB1. VB2 Brightness Control Relative Characteristics2 Measuring condition and procedure are the same as described in VB1. VB3 Brightness Control Characteristics3 Measuring condition and procedure are the same as described in VB1. VB3 Brightness Control Relative Characteristics3 Measuring condition and procedure are the same as described in VB1. FC1 Frequency Characteristics1 (f = 50 MHz) First, SG3 to 1 MHz is as input signal. Input a resister that is about 2 k to offer the voltage at input pins (2, 6, 11) in order that the bottom of input signal is 2.5 V. Control the main contrast in order that the amplitude of sine wave output is 4.0 VP-P. Control the brightness in order that the bottom of sine wave output is 2.0 VP-P. By the same way, measure the output amplitude when SG3 to 50 MHz is as input signal. The measured value is called VOUT (29, 32, 35). Frequency characteristics FC1 (29, 32, 35) is calculated by the equation below:
FC1 = 20log VOUT VP-P (dB) Output amplitude when inputted SG3 (1 MHz): 4 VP-P
FC1 Frequency Relative Characteristics1 (f = 50 MHz) Relative characteristics FC1 is calculated by the difference in the output between the channels. FC1' Frequency Characteristics1 (f = 200 MHz) Measuring condition and procedure are the same as described in table, expect SG3 to 200 MHz. FC1' Frequency Relative Characteristics1 (f = 200 MHz) Relative characteristics FC1' is calculated by the difference in the output between the channels.
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 10 of 26
M52742ASP FC2 Frequency Characteristics2 (f = 200 MHz) SG3 to 1 MHz is as input signal. Control the main contrast in order that the amplitude of sine wave output is 1.0 VP-P. By the same way, measure the output amplitude when SG3 to 200 MHz is as input signal. The measured value is called VOUT (29, 32, 35). Frequency characteristics FC2 (29, 32, 35) is calculated by the equation below:
FC2 = 20log VOUT VP-P (dB) Output amplitude when inputted SG3 (1 MHz): 4 VP-P
FC2 Frequency Relative Characteristics2 (f = 200 MHz) Relative characteristics FC2 is calculated by the difference in the output between the channels. C.T.1 Crosstalk1 (f = 50 MHz) Input SG3 (50 MHz) to pin 2 only, and then measure the waveform amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Crosstalk C.T.1 is calculated by the equation below:
C.T.1 = 20log VOUT (29, 32) VOUT (35) (dB)
C.T.1' Crosstalk1 (f = 200 MHz) Measuring condition and procedure are the same as described in C.T.1, expect SG3 to 200 MHz. C.T.2 Crosstalk2 (f = 50 MHz) Input SG3 (50 MHz) to pin 6 only, and then measure the waveform amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Crosstalk C.T.2 is calculated by the equation below:
C.T.2 = 20log VOUT (29, 32) VOUT (35) (dB)
C.T.2' Crosstalk2 (f = 200 MHz) Measuring condition and procedure are the same as described in C.T.2, expect SG3 to 200 MHz. C.T.3 Crosstalk3 (f = 50 MHz) Input SG3 (50 MHz) to pin 11 only, and then measure the waveform amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Crosstalk C.T.3 is calculated by the equation below:
C.T.3 = 20log VOUT (29, 32) VOUT (35) (dB)
C.T.3' Crosstalk3 (f = 200 MHz) Measuring condition and procedure are the same as described in C.T.3, expect SG3 to 200 MHz. Tr Pulse Characteristics1 (4 VP-P) Control the main contrast (00H) in order that the amplitude of output signal is 4.0 VP-P. Control the brightness (V30) in order that the Black level of output signal is 2.0 V. 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)2 - (Tr1)2 ]
Tr Relative Pulse Characteristics1 Relative characteristics Tr is calculated by the difference in the output between the channels.
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 11 of 26
M52742ASP Tf Pulse Characteristics2 (4 VP-P) Measure the time needed for the input pulse to 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:
Tf = [ (Tf2)2 - (Tf1)2 ]
Tf Relative Pulse Characteristics2 Relative characteristics Tf is calculated by the difference in the output between the channels.
100% 90%
10% 0% Tr1 or Tr2 Tf1 or Tf2
VthCP Clamp Pulse Threshold Voltage Turn down the SG5 input level gradually from 5.0 VP-P, monitoring the waveform output. Measure the top level of input SG5 at when the output pedestal level is start to going down or unstable. WCP Clamp Pulse Minimum Width Decrease the SG5 pulse width gradually from 0.5 s, monitoring the output. Measure the input SG5 pulse width (at the point of 1.5 V) at when output pedestal level is start to going down or unstable. OTr OSD Pulse Characteristics1 Measure the time needed for the output pulse to rise from 10% to 90% (OTr) with an active probe. OTf OSD Pulse Characteristics2 Measure the time needed for the output pulse to fall from 90% to 10% (OTf) with an active probe. Oaj1 OSD Adjust Control Characteristics1 Measure the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35), and is treated as Oaj1. Oaj1 OSD Adjust Control Relative Characteristics1 Relative characteristics Oaj1 is calculated by the equation below: Oaj1 = VOUT (29) / VOUT (32), VOUT (32) / VOUT (35), VOUT (35) / VOUT (29) Oaj2 OSD Adjust Control Characteristics2 Measuring condition and procedure are the same as described in Oaj1. Oaj2 OSD Adjust Control Relative Characteristics2 Measuring condition and procedure are the same as described in Oaj1.
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 12 of 26
M52742ASP OBLK OSD BLK Characteristics Output voltage-Black level voltage of "High" section of SG6 is calculated. The calculated value is called VOUT (29, 32, 35), and is treated as OBLK. OBLK OSD Relative Characteristics Relative characteristics OBLK is calculated by the equation below: OBLK = VOUT (29) - VOUT (32), VOUT (32) - VOUT (35), VOUT (35) - VOUT (29) VthOSD OSD Input Threshold Voltage Reduce the SG6 input level gradually, monitoring output. Measure the SG6 level when the output reaches 0 V. The measured value is called VthOSD. VthBLK OSD BLK Input Threshold Voltage 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. HBLK1 Retrace BLK Characteristics1 Measure the amplitude output is blanked by the SG7 at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35), and is treated as HBLK1. HBLK2 Retrace BLK Characteristics2 Measure the amplitude output is blanked by the SG7 at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35), and is treated as HBLK2. HBLK3 Retrace BLK Characteristics3 Measure the amplitude output is blanked by the SG7 at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35), and is treated as HBLK3. VthRET Retrace BLK Input Threshold Voltage 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. SS-NV SOG Input Maximum Noise Voltage The sync's amplitude of SG4 be changed all white into all black, increase from 0 VP-P to 0.02 VP-P. No pulse output permitted. SS-SV SOG Minimum Input Voltage The sync's amplitude of SG4 be changed all white or all black, decrease from 0.3 VP-P to 0.2 VP-P. Confirm no malfunction produced by noise. VSH Sync Output High Level Measure the high voltage at SyncOUT. The measured value is treated as VSH. VSL Sync Output Low Level Measure the low voltage at SyncOUT. The measured value is treated as VSL.
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 13 of 26
M52742ASP TDS-F Sync Output Delay Time1 SyncOUT becomes High with sync part of SG4. Measure the time needed for the front edge of SG4 sync to fall from 50% and for SyncOUT to rise from 50% with an active probe. The measured value is treated as TDS-F, less than 90 ns. TDS-R Sync Output Delay Time2 Measure the time needed for the rear edge of SG4 sync to rise from 50% and for SyncOUT to fall from 50% with an active probe. The measured value is treated as TDS-R, less than 90 ns.
SG4 sync (50%) SyncOUT TDS-F (50%) TDS-R Pedestal voltage
VOH D/A H Output Voltage Measure the DC voltage at D/A OUT. The measured value is treated as VOH. VOL D/A L Output Voltage Measure the DC voltage at D/A OUT. The measured value is treated as VOL. IAO D/A Output Current Range Electric current flow from the output of D/A OUT must be less than 1.0 mA: IA+. Electric current flow into the output of D/A OUT must be more than 0.18 mA: IA-.
IA- D/A OUT A 1 VDC
DNL D/A Nonlinearity The difference of differential non-linearity of D/A OUT must be less than 1.0 LSB. UNI1 Uniformity Characteristics1, UNI2 Uniformity characteristics2 VuniA is amplitude output at OUT (29, 32, 35), when SG6 is low voltage. VuniB is amplitude output at OUT (29, 32, 35), when SG6 is high voltage. Modulation ratio UNI (UNI2) is calculated by the equation below; UNI1 (UNI2) = 100 * (VuniB / VuniA - 1) (%)
OUT
VuniB VuniA
Pedestal voltage
SG6
5 VP-P (2.5 VP-P)
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 14 of 26
M52742ASP
I2C BUS Protocol
(1) Slave address
D7 1 D6 0 D5 0 D4 0 D3 1 D2 0 D1 0 R/W 0 = 88H
(2) Slave receiver format
S Slave address A Sub address A Data byte A P
Start condition
Acknowledge
Stop condition
(3) Sub address byte and data byte format
Function Main contrast Sub contrast R Sub contrast G Sub contrast B OSD level RE-BLK adjust D/A OUT1 D/A OUT2 D/A OUT3 D/A OUT4 Pedestal clamp INT/EXT SW Note: Bit 8 8 8 8 4 4 8 8 8 8 1 Sub Add. 00H 01H 02H 03H 04H 05H 06H 07H 08H 09H 0BH Data Byte (Top: Byte Format, Under: Start Condition) D7 A07 0 A17 1 A27 1 A37 1 0 0 A67 1 A77 1 A87 1 A97 1 0 D6 A06 1 A16 0 A26 0 A36 0 0 0 A66 0 A76 0 A86 0 A96 0 0 D5 A05 0 A15 0 A25 0 A35 0 0 0 A65 0 A75 0 A85 0 A95 0 0 D4 A04 0 A14 0 A24 0 A34 0 0 0 A64 0 A74 0 A84 0 A94 0 0 D3 A03 0 A13 0 A23 0 A33 0 A43 1 A53 1 A63 0 A73 0 A83 0 A93 0 0 D2 A02 0 A12 0 A22 0 A32 0 A42 0 A52 0 A62 0 A72 0 A82 0 A92 0 0 D1 A01 0 A11 0 A21 0 A31 0 A41 0 A51 0 A61 0 A71 0 A81 0 A91 0 0 D0 A00 0 A10 0 A20 0 A30 0 A40 0 A50 0 A60 0 A70 0 A80 0 A90 0 AB0 0
Pedestal level INT/EXT SW 0 INT 1 EXT
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 15 of 26
M52742ASP
Timing Requirement of I2C
Item Input voltage LOW Input voltage HIGH 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 Set up time for start condition (Only relevant for a repeated start condition) Hold time for I2C devices Set-up time DATA Rise time of both SDA and SCL Fall time of both SDA and SCL Set-up time for stop condition Symbol VIL VIH fSCL tBUF tHD:STA tLOW tHIGH tSU:STA tHD:DAT tSU:DAT tr tf tSU:STO Min. -0.5 3.0 0 4.7 4.0 4.7 4.0 4.7 0 250 4.0 Max. 1.5 5.5 100 1000 300 Unit V V kHz s s s s s s ns ns ns s
Timing Chart
tr, tf VIH SDA VIL tHD: STA tSU: DAT tHD: DAT tSU: STA tSU: STO tBUF
VIH SCL VIL tLOW S tHIGH S P S
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 16 of 26
M52742ASP
Input Signal
SG No.
33 s
Signals Pulse with amplitude of 0.7 VP-P (f = 30 kHz). Video width of 25 s. (75%)
SG1 Video signal (all white)
8 s
0.7 VP-P
SG2 Video signal (step wave)
0.7 VP-P (Amplitude is variable.)
SG3 Sine wave (for freq. char.)
Sine wave amplitude of 0.7 VP-P. f = 1 MHz, 50 MHz, 200 MHz (variable)
Video width of 25 s. (75%) SG4 Video signal (all white, all black)
all white or all black variable. Sync's amplitude is variable.
0.7 VP-P
3 s
0.3 VP-P
Pulse width and amplitude are variable.
0.5 s
SG5 Clamp pulse
5 VTTL
SG6 OSD pulse
5 s
5 VTTL
Amplitude is variable.
SG7 BLK pulse
5 VTTL
5 s
Amplitude is variable.
Note:
f = 30 kHz
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 17 of 26
M52742ASP
Test Circuit
OUT (35) 100 470
100 H
OUT (32) V30 0 to 5 V 470
OUT (29)
SG7
D/A D/A D/A D/A OUT1 OUT2 OUT3 OUT4 b SW27
SDA SCL
SG5 C/P IN b a
a 470
SW19
36 12 V
35 out
34 f/b
33 gnd
32 out
31 f/b
30 brt
29 out
28 f/b
27 blk
26 dac
25 dac
24 dac
23 dac
22 21 gnd sda
20 scl
19 c/p
M52742ASP
blk 1
R 2
12 V osd gnd 3 4 5
G 6
SonG 12 V osd gnd 7 8 9 10
B 11
12 V osd 12 13
gnd 14
abl 15
UNI 5 V 16 17
47 +
sync 18
IN (2)
3.3 0.01
IN (6) SONG IN
3.3 0.01
IN (11) +
3.3 0.01
+
+
1
+
SYNC OUT V15 0 to 5 V SW16 b 1k
SW1 SW2 a ba
b
SW4 a
b
SW6 SW7 a ba
b
SW9 a
b
SW11 a
b
SW13 a
b
a
A IB
+
47
A
IA SG6 SG1 SG2 SG3 SG4
5V SG6
12 V
: Measure point Capacitor: 0.01 F (unless otherwise specified.) Units Resistance: Capacitance: F
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 18 of 26
M52742ASP
Typical Characteristics
Thermal Derating
2800
Main Contrast Control Characteristics
6
Power Dissipation Pd (mW)
2403
2000 1600 1200 800 400 0 -20 0 1442
Output Amplitude (VP-P)
2400
5 4 3 2 1 0 00H
Sub contrast: Max FFH
25
50
75
100 125 150
Ambient Temperature Ta (C)
Main Contrast Control Data
Sub Contrast Control Characteristics
6 6
Brightness Control Characteristics
4 3 2 1 0 00H
Output DC Voltage (VDC)
Main contrast: Max FFH
Output Amplitude (VP-P)
5
5 4 3 2 1 0 0 1 2 3 4
Sub Contrast Control Data
Brightness Control Voltage (VDC)
ABL Characteristics
6 6
OSD Adjust Control Characteristics
Output Amplitude (VP-P)
Output Amplitude (VP-P)
Main contrast: Max Sub contrast: Max 0 1 2 3 4 5
5 4 3 2 1 0
5 4 3 2 1 0 0H
FH
ABL Control Voltage (VDC)
OSD Adjust Control Data
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 19 of 26
M52742ASP
Sync on Green input Min. Pulse Width
12 (Video duty = 75%) 10 7 1 + 100 k 6 4 2 0 0 IN 10 12
Uniformity Characteristics
8
Modulation Ratio (%)
0.5
Sync Duty (%)
8 6 4 2 0
Sync separate normal operating range 0.1 0.2 0.3 0.4
0
0.5
1.0
1.5
2.0
2.5
Input Sync Amplitude (VP-P)
Input Amplitude (VP-P)
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 20 of 26
M52742ASP
Application Example
110 V
CRT
Cut off Adj
DAC OUT x 4 5 VTTL BLK IN (for retrace) SDA SCL
0.01 0.01 0.01 0.01
470 470
470
0 to 5 V 100
100 H 0.01
Clamp pulse IN 21 20 19
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
M52742ASP
1
2
3
4
5
6
7
8
100 k
9
10
11
12
13
14
15
16
17
18
0.01
0.01
0.01
1 + 0.01
+33 +
2.2 1k
+
+
+
3.3 0.01
47 3.3
47 3.3
0.01
47
+
+
+ 5 VTTL
ABL IN 0 to 5 V Sync Sep OUT Uniformity IN OSD IN (B) OSD IN (G) OSD IN (R) BLK IN (for OSD)
75
75
75
5 VTTL 5 VTTL
5 VTTL
0.01
+
47
+ 12 V 5V INPUT (R) INPUT (G)
*
SONG INPUT
INPUT (B)
Units Resistance: Capacitance: F
* Circuit example of pin 6 and pin 7 same signal input note: Feed back is internal feed back
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 21 of 26
M52742ASP
Pin Description
Pin No. 1 Name OSD BLK IN DC Voltage (V) Peripheral Circuit
R G 1 2k
GND to 1.7 V
Function
* Input pulses
3.7 to 5 V
B 2.7 V
* Connected to GND if not
used.
0.37 mA 0.37 mA
2 6 11
INPUT (R) INPUT (G) INPUT (B)
2.5
2k 2k
* Clamped to about 2.5 V *
due to clamp pulses from pin 19. Input at low impedance.
0.3 mA
CP
2.5 V
3 8 12 4 9 13
VCC1 (R) VCC1 (G) VCC1 (B) OSD IN (R) OSD IN (G) OSD IN (B)
12
* Apply equivalent voltage
to 3 channels
1k 2k
* Input pulses
3.7 to 5 V GND to 1.7 V
* Connected to GND if not
used.
2.7 V
0.5 mA
5 10 14 22 33 7
GND 1 (R) GND 1 (G) GND 1 (B) GND (5 V) GND 2 INPUT (S on G)
GND
When open 2.5 V
* SYNC ON GREEN
Input pin for sync separation.
7
Sync is negative.
3.33 V
500 0.22 mA 0.15 mA 0.22 mA
Input signal at pin 7, compare with the reference voltage of internal circuit in order to separate sync signal.
* When not used, set to
OPEN.
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 22 of 26
M52742ASP
Pin Description (cont.)
Pin No. 15 Name ABL IN DC Voltage (V) When open 2.5 V Peripheral Circuit
2.5 V 20 k
Function
* ABL (Automatic Beam Limiter)
input pin. Recommended voltage range is 0 to 5 V. When ABL function is not used, set to 5 V.
1.2 k 0.5 mA
1.2 k
30 k
15
16
Uniformity IN
5.75
* Uniformity input pin.
Recommended amplitude range is 0 to 5 VP-P.
200 20 k 7.25 V 16 5k
17 18
VCC (5 V) S on G Sep OUT
5
18
* Sync signal output pin, Being
of open collector output type.
19
Clamp Pulse IN
41 k
* Input pulses
2.5 to 5 V GND to 0.5 V
19 2.2 V 0.15 mA
* Input at low impedance.
20
SCL
50 k
* SCL of I2C BUS
(Serial clock line) VTH = 2.3 V
20 2k 3V
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 23 of 26
M52742ASP
Pin Description (cont.)
Pin No. 21 Name SDA DC Voltage (V) Peripheral Circuit
50 k
Function
* SDA of I2C BUS
(Serial data line) VTH = 2.3 V
21 2k 3V
23 24 25 26
D/A OUT
* D/A output pin.
Output voltage range is 0 to 5 V, min input current is 0.18 mA when D/A output pin is 1 V. Max output current is 1.0 mA.
27
Retrace BLK IN
50 k R G B 2.25 V
* Input pulses
2.5 to 5 V GND to 0.5 V
27
* Connected to GND if not used.
28 31 34
EXT Feed Back (B) EXT Feed Back (G) EXT Feed Back (R)
Variable
35 k
29 32 35
OUTPUT (B) OUTPUT (G) OUTPUT (R)
Variable
36 50 50
* A resistor is needed on the
GND side. Set discretionally to maximum 15 mA, depending on the required driving capacity.
36 30
VCC2 Main Brightness
12
35 k
* Used to supply power to output
emitter follower only.
* It is recommended that the IC
be used between pedestal voltage 2 V and 3 V.
30
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 24 of 26
M52742ASP
Application Method for M52742ASP
Clamp Pulse Input Clamp pulse width is recommended above 15 kHz, 1.0 s above 30 kHz, 0.5 s above 64 kHz, 0.3 s. 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 figure shown right is recommended.
19
EXT-Feed Back In case of application circuit example of lower figure, Set up R1, R2 which seems that the black level of the signal feed backed from Power AMP is 1 V, when the bottom of output signal is 1 V.
Main brightness DC: 1 to 5 V Pre Amp Input R
+
Power Amp Power Amp Out
R output Black level 1 to 5 V
M52742ASP
R Feed back Black level 1 to 5 V
R1 R2
EXT-Feed Back Application Circuit
Notice of Application * Make the nearest distance between output pin and pull down resistor. * Recommended pedestal voltage of IC output signal is 2 V.
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 25 of 26
M52742ASP
Package Dimensions
36P4E
EIAJ Package Code SDIP36-P-500-1.78 JEDEC Code -- Weight(g) 3.0 Lead Material Cu Alloy
Plastic 36pin 500mil SDIP
36
19
1
18
Symbol
D
e SEATING PLANE
b1
b
b2
A A1 A2 b b1 b2 c D E e e1 L
Dimension in Millimeters Min Nom Max 5.08 -- -- 0.51 -- -- 3.8 -- -- 0.4 0.5 0.6 0.9 1.0 1.3 0.65 0.75 1.05 0.22 0.27 0.34 31.3 31.5 31.7 10.85 11.0 11.15 1.778 -- -- 12.7 -- -- 3.0 -- -- 0 15 --
A
REJ03F0192-0201 Rev.2.01 Mar 31, 2008 Page 26 of 26
A1
L
A2
e1
E
c
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