M52743BSP

M52743BSP MITSUBISHI | Alldatasheet

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Technical content

MITSUBISHI ICs (Monitor) M52743BSP I C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER

DESCRIPTION

M52743BSP is semiconductor integrated circuit for CRT display monitor. It includes OSD blanking, OSD mixing, retrace blanking, wide band amplifre, brightness control. Main/sub contrast and OSD adjust function can be controlled by I C bus.

FEATURES

(typ.) P-P minimum (positive) P-P minimum (positive) P-P minimum (positive) P-P (max.) P-P (max.) Main contrast and sub contrast can be controlled by I C bus. Include internal and external pedestal clamp circuit. STRUCTURE Bipola silicon monolisic IC APPLICATION CRT display monitor RECOMMENDED OPERATING CONDITION 4.5 to 4.4V (V17) 5.0V (V17) MAJOR SPECIFICATION Bus controlled 3ch video pre-amp with OSD mixing function and retrace blanking function PIN CONFIGURATION (TOP VIEW) OSD BLK IN INPUT(R) VCC1 (R) OSD IN(R) GND 1(R) INPUT(G) INPUT(SOG) OSD IN(G) GND 1(G) INPUT(B) OSD IN(B) GND 1(B) ABL IN NC SOG SEP OUT VCC2 OUTPUT(R) EXT FEED BACK(R) GND2 OUTPUT(G) EXT FEED BACK(G) MAIN BRIGHTNESS OUTPUT(B) EXT FEED BACK(B) RETRACE BLK IN D/A OUT1 D/A OUT3 D/A OUT4 GND(5V) SDA D/A OUT2 SCL CLAMP PULSE IN Outline 36P4E 325 316 289 2710 2611 2512 15 22 16 21 17 20 18 19 VCC1 (G) VCC1 (B) VCC (5V) M52743BSP NC:NO CONNECTION

MITSUBISHI ICs (Monitor) M52743BSP I C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER BLOCK DIAGRAM 35RETRACE BLANKING

2 AMPOSD MIXMAIN

OUTPUT (R) EXT FEED BACK (R) SUB CONT (8bit) 32RETRACE BLANKING 31

6 AMPOSD MIXMAIN

OUTPUT (G) EXT FEED BACK (G) SUB CONT (8bit) 29RETRACE BLANKING 28

11 AMPOSD MIXMAIN

OUTPUT (B) EXT FEED BACK (B) INPUT (G) OSD IN (B) SUB CONT (8bit) 7INPUT (SOG) Sync On 18SOG SEP OUT GreenSep 23 24 25 26 BUS I/F VCC 5V SDA SCL GND(5V) DAC 1333619 OSD LEVEL 4bit Main CONTRAST 8bit R SUB CONT 8bit G SUB CONT 8bit B SUB CONT 8bit VCC1 (B) 12V CONTRAST (ABL) IN CLAMP PULSE GND2 OSD BLK IN DAC OUTPUT FOR CUT-OFF AdjIN VCC2 =12V GND 1(B) GND 1(G) GND 1(R) MAIN BRIGHTNESS RETRACE BLK IN (DIGITAL) VCC1 (G) 12V VCC1 (R) 12V OSD IN (G) OSD IN (R) INPUT (R) INPUT (B)

MITSUBISHI ICs (Monitor) M52743BSP I C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER ABSOLUTE MAXIMUM RATINGS (Ta=25

ELECTRICAL CHARACTERISTICS

=12V, 5V, Ta=25 C, unless otherwise noted) Symbol Parameter Ratings Unit V CC Supply voltage 13.0 V P d Power dissipation 2403 mW T opr Ambient temperature -20 to +75 C T stg Storage temperature -40 to +150 C V opr Recommended supply 12.0 V V opr’ Voltage range 10.5 to 12.5 V θ jc Case temperature 22 C/W Symbol Parameter Test point (s) Input CTL voltage BUS CTL (H) Limits Unit 2,6,11 RGB in OSD BLK 4,9,13 OSD in CP in ReT BLK SOG in Bri- ght ABL 00H Main cont 01H Sub cont 02H Sub cont 03H Sub cont 04H OSD Adj 05H BLK Adj 06H D/A OUT 07H D/A OUT 08H D/A OUT 09H D/A OUT 0BH INT EXT Min. Typ. Max. I CC1 Circuit current1 I A aa a b SG5 a a 4.0 5.0 FFH 255 FFH 255 FFH 255 FFH 255 00H 00H FFH 255 FFH 255 FFH 255 FFH 255 00H 110 130 mA I CC2 Circuit current2 I B aa a b SG5 a a 4.0 5.0 18 22 mA Vomax Output dynamic range OUT b SG2 aa b SG5 aa Vari able 5.0 6.0 8.0 V P-P Vimax Maximum input IN OUT b SG2 Variable aa b SG5 a a 2.0 5.0 64H 100 1.6 V P-P Gv Maximum gain OUT b SG1 aa b SG5 a a 2.0 5.0 FFH 255 16.5 17.7 19.7 dB Gv Relative max- imum gain 0.8 1.0 1.2 V Main contrast control characteristics1 OUT b SG1 aa b SG5 a a 2.0 5.0 C8H 200 14.5 16.0 17.5 dB V Main contrast control relative characteristics1 0.8 1.0 1.2 V Main contrast control characteristics2 OUT b SG1 aa b SG5 a a 2.0 5.0 64H 100 8.5 10.0 11.5 dB V Main contrast control relative characteristics2 0.8 1.0 1.2 V Main contrast control characteristics3 OUT b SG1 aa b SG5 a a 2.0 5.0 14H 0.2 0.4 0.6 V P-P V Main contrast control relative characteristics3 0.8 1.0 1.2 V SC1 Sub contrast control characteristics1 OUT b SG1 aa b SG5 a a 2.0 5.0 FFH 255 C8H 200 C8H 200 C8H 200 14.8 16.3 17.8 dB V SC1 Sub contrast control relative characteristics1 0.8 1.0 1.2 V SC2 S ub contrast control characteristics2 OUT b SG1 aa b SG5 a a 2.0 5.0 FFH 255 64H 100 64H 100 64H 100 11.1 12.6 14.1 dB V SC2 Sub contrast control relative characteristics2 0.8 1.0 1.2 V SC3 Sub contrast control characteristics3 OUT b SG1 aa b SG5 a a 2.0 5.0 FFH 255 14H 14H 14H 1.4 1.7 2.0 V P-P V SC3 Sub contrast control relative characteristics3 0.8 1.0 1.2

MITSUBISHI ICs (Monitor) M52743BSP I C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER (cont.) Symbol Parameter Test point (s) Input CTL voltage BUS CTL (H) Limits Unit 2,6,11 RGB in OSD BLK 4,9,13 OSD in CP in ReT BLK SOG in Bri- ght ABL 00H Main cont 01H Sub cont 02H Sub cont 03H Sub cont 04H OSD Adj 05H BLK Adj 06H D/A OUT 07H D/A OUT 08H D/A OUT 09H D/A OUT 0BH INT EXT Min. Typ. Max. VMSC Main/sub contrast control characteristics2 OUT b SG1 aa b SG5 a a 2.0 5.0 C8H 200 C8H 200 C8H 200 C8H 200 00H 00H FFH 255 FFH 255 FFH 255 FFH 255 00H 3.2 3.8 4.4 V P-P VMSC Main/sub contrast control relative characteristics2 ABL1 ABL control characteristics1OUT b SG1 aa b SG5 a a 2.0 4.0 FFH 255 FFH 255 FFH 255 FFH 255 3.8 4.6 5.4 VP-P ∆ABL1 ABL control relative characteristics1 ABL2 ABL control characteristics2OUT b SG1 aa b ∆ABL2 ABL control relative characteristics2 VB1 Brightness control characteristics1 OUT a a a b ∆VB1 Brightness control relative characteristics1 VB2 Brightness control characteristics2 OUT a a a b ∆VB2 Brightness control relative characteristics2 VB3 Brightness control characteristics3 OUT a a a b ∆VB3 Brightness control relative characteristics3 FC1 Frequency characteristics1 (f=50MHz) OUT b SG3 aa a 5V aa Vari able 5.0 Va ria ble -2.0 0 2.5 dB ∆FC1 Frequency relative characteristics1 (f=50MHz) FC1’ Frequency characteristics1 (f=150MHz) OUT b SG3 aa a 5V aa Vari able 5.0 Va ria ble FFH 255 FFH 255 FFH 255 00H 00H FFH 255 FFH 255 FFH 255 FFH 255 00H 0 -3.0 0 3.0 dB ∆FC1’ Frequency relative characteristics1 (f=150MHz) FC2 Frequency characteristics2 (f=150MHz) OUT b SG3 aa a 5V aa Vari able 5.0 -3.0 3.0 5.0 dB ∆FC2 Frequency relative characteristics2 (f=150MHz) C.T.1 Crosstalk 1 (f=50MHz) OUT(29) OUT(32) 2bSG3 11a aa a 5V aa Vari able 5.0 FFH 255 − -25 -20 dB C.T.1’ Crosstalk 1 (f=150MHz) OUT(29) OUT(32) 2bSG3 11a aa a 5V aa Vari able 5.0 − -15 -10 dB C.T.2 Crosstalk 2 (f=50MHz) OUT(29) OUT(35) 6bSG3 11a aa a 5V aa Vari able 5.0 − -25 -20 dB C.T.2’ Crosstalk 2 (f=150MHz) OUT(29) OUT(35) 6bSG3 11a aa a 5V aa Vari able 5.0 − -15 -10 dB C.T.3 Crosstalk 3 (f=50MHz) OUT(32) OUT(35) 11bSG3 aa a 5V aa Vari able 5.0 − -25 -20 dB C.T.3’ Crosstalk 3 (f=150MHz) OUT(32) OUT(35) 11bSG3 aa a 5V aa Vari able 5.0 − -15 -10 dB

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter Test point (s) Input CTL voltage BUS CTL (H) Limits Unit2,6,11 RGB in OSD BLK 4,9,13 OSD in CP in ReT BLK SOG in Bri- ght ABL 00H Main cont 01H Sub cont 02H Sub cont 03H Sub cont 04H OSD Adj 05H BLK Adj 06H D/A OUT 07H D/A OUT 08H D/A OUT 09H D/A OUT 0BH INT EXT Min. Typ. Max. Tr Pulse characteristics1 (4V P-P) OUT b SG1 aa b SG5 aa Vari able 5.0 Va ria ble FFH 255 FFH 255 FFH 255 00H 00H FFH 255 FFH 255 FFH 255 FFH 255 00H 0 − 1.7 − ns Tf Pulse characteristics2 (4V P-P) OUT b SG1 aa b SG5 aa Vari able 5.0 Va ria ble − 3.0 − ns VthCP Clamp pulse threshold voltage OUT b SG1 aa b SG5 Variable a a 2.0 5.0 FFH 255 1.0 1.5 2.0 V WCP Clamp pulse minimum width OUT b SG1 aa b SG5 Variable a a 2.0 5.0 0.2 0.5 −µ s PDCH Pedestal voltage temperature characteristics1 OUT b SG1 aa b SG5 a a 2.0 5.0 -3.0 0 0.3 V PDCL Pedestal voltage temperature characteristics2 OUT b SG1 aa b SG5 a a 2.0 5.0 -3.0 0 0.3 V OTr OSD pulse characteristics1OUT a a b SG6 b SG5 a a 2.0 5.0 08H 8 − 3.0 6.0 ns OTf OSD pulse characteristics2OUT a a b SG6 b SG5 a a 2.0 5.0 08H 8 − 3.0 6.0 ns Oaj1 OSD adjust control characteristics1 OUT a b SG6 b SG6 b SG5 a a 2.0 5.0 0FH 15 4.6 5.4 6.2 VP-P ∆Oaj1 OSD adjust control relative characteristics1 Oaj2 OSD adjust control characteristics2 OUT a b SG6 b SG6 b SG5 a a 2.0 5.0 08H 8 2.8 3.3 3.8 VP-P ∆Oaj2 OSD adjust control relative characteristics2 Oaj3 OSD adjust control characteristics3 OUT a b SG6 b SG6 b SG5 a a 2.0 5.0 08H 8 0 0.1 0.5 VP-P ∆Oaj3 OSD adjust control relative characteristics3 VthOSD OSD input threshold voltage OUT a b SG6 b SG6 Variable b SG5 a a 2.0 5.0 08H 8 2.2 2.7 3.2 V VthBLK OSD BLK input threshold voltage OUT b SG1 b SG6 Variable a b SG5 a a 2.0 5.0 00H 0 2.2 2.7 3.2 V HBLK1 Retrace BLK characteristics1OUT a a a b SG5 b SG7 a 2.0 5.0 0FH 15 1.7 2.0 2.3 V HBLK2 Retrace BLK characteristics2OUT a a a b SG5 b SG7 a 2.0 5.0 06H 6 0.7 1.0 1.3 V HBLK3 Retrace BLK characteristics3OUT a a a b SG5 b SG7 a 2.0 5.0 00H 0 0.1 0.4 0.7 V VthRET Retrace BLK input threshold voltage OUT a a a b SG5 b SG7 Variable a 2.0 5.0 08H 8 1.0 1.5 2.0 V SS-NV SOG input maximum noize voltage SonG IN Sync OUT aa aaa b SG4 Variable 2.0 5.0 0 0.01 0.02 V P-P SS-SV SOG minimum input voltage SonG IN Sync OUT aa aaa b SG4 Variable VSH Sync output hi level Sync OUT aa aaa b VSL Sync output lo level Sync OUT aa aaa b SG4 2.0 5.0 0 0.3 0.6 V TDS-F Sync output delay time1 Sync OUT aa aaa b SG4 2.0 5.0 0 60 90 ns

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter Test point (s) Input CTL voltage BUS CTL (H) Limits Unit2,6,11 RGB in OSD BLK 4,9,13 OSD in CP in ReT BLK SOG in Bri- ght ABL 00H Main cont 01H Sub cont 02H Sub cont 03H Sub cont 04H OSD Adj 05H BLK Adj 06H D/A OUT 07H D/A OUT 08H D/A OUT 09H D/A OUT 0BH INT EXT Min. Typ. Max. TDS-R Sync output delay time2 Sync OUT aa aaa b SG4 2.0 5.0 0 60 90 ns VOH D/A H output voltage D/A OUT aa aaa a 2.0 5.0 FFH 255 FFH 255 FFH 255 FFH 255 00H 00H FFH 255 FFH 255 FFH 255 FFH 255 00H 0 4.5 5.0 5.5 VDC VOL D/A L output voltage D/A OUT aa aaa a 2.0 5.0 00H 00H 00H 00H 0 0 0.5 1.0 VDC IAO D/A output current range D/A OUT aa aaa a 2.0 5.0 Vari abl e Vari abl e Vari abl e Vari abl e -1.0 − 0.4 mA DNL D/A nonlinearity D/A OUT aa aaa a 2.0 5.0 Vari abl e Vari abl e Vari abl e Vari abl e -1.0 − 1.0 LSB ELECTRICAL CHARACTERISTICS TEST METHOD ICC1 Circuit current1 Measuring conditions are as listed in supplementary Table. Mesured with a current meter at test point IA. ICC2 Circuit current2 Measureing conditions are as listed in supplemtary Table. Measured with a current meter at test point IB. Vomax Output dynamic range Decrease V30 gradually, and measure the voltage when the bottom of waveform output is distorted. The voltage is called VCL. 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 Vimax Maximum input Increase the input signal (SG2) amplitude gradually, starting from 700mV P-P. Measure the amplitude of the input signal when the output signal starts becoming distorted. 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 Relative maximum gain Relative maximum gain ∆G V is calculated by the equation bellow: ∆G V= VOUT (29)/VOUT (32), VOUT (32)/VOUT (35), VOUT (35)/VOUT (29) V C1 Main contrast control characteristics1 Measureing the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Main contrast control characterics V C1 is calculated by the equation bellow: ∆VC1 Main contrast control relative characteristics1 Relative characteristics ∆VC1 is calculated by the equation bellow: ∆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 C1 . VC3 Main contrast control characteristics3 Measuring condition and procedure are the same as described in VC1 . ∆VC3 Main contrast control relative characteristics3 Measuring condition and procedure are the same as described in C1 . 5.0 Waveform output (V) VOH VOL 0.0 G V=20Log (dB)VOUT 0.7 VC1 =20Log (dB)VOUT 0.7

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER VSC1 Sub contrast control characteristics1 Measur the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Sub contrast control characteristics V SC1 is calculated by the equation below: ∆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). V SC2 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 SC1 . VSC3 Sub contrast control characteristics3 Measuring condition and procedure are the same as described in VSC1 . ∆VSC3 Sub contrast control relative characteristics3 Measuring condition and procedure are the same as described in SC1 . VMSC Main/sub contrast control characteristics2 Measure the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Main/Sub contrast control characteristics VMSC1 is calculated by the equation below: ∆VMSC Main/sub contrast control relative characteristics2 Relative characteristics ∆VMSC1 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 ttreated 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) 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. V B1 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 ttreated as VB1. ∆VB1 Brightness control relative characteristics1 Relative characteristics ∆VB1 is calculated by the difference in the output between the channels. B1= VOUT (29)-VOUT (32), VOUT (32)-VOUT (35), VOUT (35)-VOUT (29) V B2 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 B1. 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 B1. FC1 Frequency characteristics1 (f=50MHz) First, SG3 to 1MHz is as input signal. Input a resister that is about 2kΩ to offer the voltage at input pins (2, 6, 11) in order that the bot- tom of input signal is 2.5V . Control the main contrast in order that the amplitude of sine wave output is 4.0V P-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 (29, 32, 35). Frequency characteristics FC1 (29, 32, 35) is calculated by the equation below: ∆FC1 Frequency relative characteristics1 (f=50MHz) Relative characteristics ∆FC1 is calculated by the difference in the output between the channels. VSC1 =20Log (dB)VOUT 0.7 VMSC1=20Log (dB)VOUT 0.7 FC1 =20Log (dB)VOUT VP-P Output amplitude when inputed SG3 (1MHz):4VP-P

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER FC1 ' Frequency characteristics1 (f=150MHz) Measuring condition and procedure are the same as described in FC1 , expect SG3 to 150MHz. ∆FC1 ' Frequency relative characteristics1 (f=150MHz) Relative characteristics ∆FC1 ' is calculated by the difference in the output between the channels. FC2 Frequency characteristics2 (f=150MHz) 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 (29, 32, 35). Frequency characteristics F C2 (29, 32, 35) is calculated by the equation below: ∆FC2 Frequency relative characteristics2 (f=150MHz) Relative characteristics ∆FC2 is calculated by the difference in the output between the channels. C.T.1 Crosstalk1 (f=50MHz) Input SG3 (50MHz) to pin2 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' Crosstalk1 (f=150MHz) Measuring condition and procedure are the same as described in C.T.1, expect SG3 to 150MHz. C.T.2 Crosstalk2 (f=50MHz) Input SG3 (50MHz) to pin6 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' Crosstalk2 (f=150MHz) Measuring condition and procedure are the same as described in C.T.2, expect SG3 to 150MHz. C.T.3 Crosstalk3 (f=50MHz) Input SG3 (50MHz) to pin11 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.3' Crosstalk3 (f=150MHz) Measuring condition and procedure are the same as described in C.T.3, expect SG3 to 150MHz. Tr Pulse characteristics1 (4V P-P) Control the main contrast (00H) in order that the amplitude of output signal is 4.0VP-P. Control the brightness (V30) 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 prove. Pulse characteristics TR is calculated by the equations below: Tf Pulse characteristics2 (4V P-P) 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: VthCP Clamp pulse threshold voltage Turn down the SG5 input level gradually from 5.0V P-P, monitoring the waveform output. Measure the top level of input pulse when the output pedestal voltage turn decrease with unstable. WCP Clamp pulse minimum width Decrease the SG5 pulse width gradually from 0.5µs, monitoring the output. Measure the SG5 pulse width (a point of 1.5V) when the output pedestal voltage turn decrease with unstable. F C1 =20Log (dB)VOUT VP-P Output amplitude when inputed SG3 (1MHz):4VP-P C.T.1=20Log (dB)VOUT (29, 32) VOUT (35) C.T.2=20Log (dB)VOUT (29, 35) VOUT (32) C.T.3=20Log (dB)VOUT (32, 35) VOUT (29) TR= [(Tr2)2-(Tr1)2] (nsec) TR= [(Tf2)2-(Tf1)2] (nsec) 100% 90% 10% Tf1 or Tf2Tr1 or Tr2

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER PDCH Pedestal voltage temperature characteristics1 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: P DCH =PDC1-PDC2 PDCL Pedestal voltage temperature characteristics2 Measure the pedestal voltage at 25°C. The measured value is called PDC1. 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: P DCL =PDC1-PDC3 OTr OSD pulse characteristics1 Measure the time needed for the output pulse to rise from 10% to 90% (OTR) with an active prove. OTf OSD pulse characteristics2 Measure the time needed for the output pulse to fall from 90% to 10% (OTF) with an active prove. 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. Oaj3 OSD adjust control characteristics3 Measuring condition and procedure are the same as described in Oaj1. ∆Oaj3 OSD adjust control relative characteristics3 Measuring condition and procedure are the same as described in ∆Oaj1. VthOSD OSD input threshold voltage Reduce the SG6 input level gradually, monitoring output. Measure the SG6 level when the output reaches 0V. 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 noize voltage The sync's amplitude of SG4 be changed all white into all black, increase from 0V P-P to 0.02VP-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 0.3VP-P to 0.2VP-P. Confirm no malfunction produced by noise. VSH Sync output hi level Measure the high voltage at SyncOUT. The measured value is treated as VSH. VSL Sync output lo level Measure the low voltage at SyncOUT. The measured value is treated as VSL.

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER 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 prove. The measured value is treated as TDS-F , less than 90nsec. 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 prove. The measured value is treated as TDS-R, less than 90nsec. VOH D/A H output voltage Measure the DC voltage at D/AOUT. The measured value is ttreated as VOH. VOL D/A L output voltage Measure the DC voltage at D/AOUT. The measured value is ttreated as VOL. IAO D/A output current range Electric current flow from the output of D/AOUT must be less than 1.0mA. Electric current flow in the output of D/AOUT must be less than 0.4mA. DNL D/A nonlinearity The difference of differential non-linearity of D/AOUT must be less than ±1.0LSB. SG4 SyncOUT Pedestal voltage TDS-RTDS-F (50%)sync (50%) BUS CONTROL TABLE (1) Slave address (2) Each function’s sub address Notes) pedestal level INT/EXT SW 0→ INT 1→ EXT Function bit sub add. Data byte (up:bit information down: preset) D7 D6 D5 D4 D3 D2 D1 D0 Main contrast 8 00H A07 A06 A05 A04 A03 A02 A01 A00 01000000 Sub contrast R 8 01H A17 A16 A15 A14 A13 A12 A11 A10 10000000 Sub contrast G 8 02H A27 A26 A25 A24 A23 A22 A21 A20 10000000 Sub contrast B 8 03H A37 A36 A35 A34 A33 A32 A31 A30 10000000 OSD level 4 04H −−−− A43 A42 A41 A40 00001000 RE-BLK adjust 4 05H −−−− A53 A52 A51 A50 00001000 D/A OUT1 8 06H A67 A66 A65 A64 A63 A62 A61 A60 10000000 D/A OUT2 8 07H A77 A76 A75 A74 A73 A72 A71 A70 10000000 D/A OUT3 8 08H A87 A86 A85 A84 A83 A82 A81 A80 10000000 D/A OUT4 8 09H A97 A96 A95 A94 A93 A92 A91 A90 10000000 Pedestal clamp INT/EXT SW 1 0BH −−−−−−− AB0 00000000 D7 D6 D5 D4 D3 D2 D1 R/W 10001000 =88H

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER I2C BUS CONTROL SECTION SDA, SCL CHARACTERISTICS TIMING DIAGRAM Symbol Parameter Min. Max. Unit VIL min. input LOW voltage -0.5 1.5 V VIH max. input HIGH voltage 3.0 5.5 V fSCL SCL clock frequency 0 100 kHz tBUF Time the bus must be free before a new transmission can start 4.7 −µ s tHD:STA Hold time start condition. After this period the first clock pulse is generated 4.0 −µ s tLOW The LOW period of the clock 4.7 −µ s tHIGH The HIGH period of the clock 4.0 −µ s tSU:STA Set up time for start condition (Only relevant for a repeated start condition) 4.7 −µ s tHD:DAT Hold time DATA 0 −µ s tSU:DAT Set-up time DATA 250 − ns tr Rise time of both SDA and SCL lines − 1000 ns tf Fall time of both SDA and SCL lines − 300 ns tSU:STO Set-up time for stop condition 4.0 −µ s SDA SCL VIH SS P S tBUF tSU:STOtSU:STAtHD:DATtSU:DATtHD:STA tLOW tHIGH tr, tf VIL VIH VIL

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER INPUT SIGNAL ∗) f=30kHz SG No. Signals SG1 Video signal (all white) Pulse with amplitude of 0.7VP-P (f=30kHz). Video width of 25µs. (75%) SG2 Video signal (step wave) SG3 Sine wave (for freq. char.) SG4 Video signal (all white, all black) Video width of 25µs. (75%) SG5 Clamp pulse Pulse width and amplitude are variable. SG6 OSD pulse SG7 BLK pulse 8µs 33µs 0.7VP-P 0.7VP-P (Amplitude is partially variable.) Sine wave amplitude of 0.7VP-P. f=1MHz, 50MHz, 150MHz (variable) 0.7VP-P 0.3VP-P3µs Sync’s amplitude is variable. all white or all black variable. 0.5µs 5VTTL 5µs 5VTTL Amplitude is partially variable. 5µs 5VTTL Amplitude is partially variable.

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER TEST CIRCUIT TYPICAL CHARACTERISTICS SW1 ba SG1 SW4 ba SW7 ba SW9 ba OUT (35) OUT (32) D/A OUT1 D/A OUT2 D/A OUT3 13 24 5 9 81 0 1 2 11 13 146 7 15 16 17 18 Units Resistance : Ω Capacitance : F R G SonG B 12V NC 34 3233 31 30 26 27 25 2324 2229 28 V15 3536 SW13 M52743BSP 2021 19 V30 SG4 ba b a SG5 SW19 blk osd 12V osd 12Vgnd gnd gnd abl osd sync 5V out f/b brt dac dac sda12V gnd f/b f/b outout blk dac gnd dac c/p scl SCLSDA C/P IN D/A OUT4 ba SG7 SW27 OUT (29) 0 to 5V 100 100µH 0 to 5V 47µ SYNC OUT A IB 0.01µ3.3µ SW11 ba IN (11) 100k SON G IN 0.01µ3.3µ SW6 ba IN (6) 3.3µ SW2 a IN (2) b 0.01µ SG2 SG3 12V A IA 47µ SG6 : MEASURE POINT ∗ Condenser : 0.01µF (unless otherwise specified.) FFH 00H Sub contrast: Max MAIN CONTRAST CONTROL DATA MAIN CONTRAST CONTROL CHARACTERISTICSOUTPUT AMPLITUDE (V P-P) 2800 2000 1600 800 400 -20 0 25 50 75 100 125 150 2400 1200 2403 1442 AMBIENT TEMPERATURE Ta ( °C) POWER DISSIPATION P d (mW) THERMAL DERATING

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER FFH 00H Main contrast: Max SUB CONTRAST CONTROL DATA SUB CONTRAST CONTROL CHARACTERISTICS OUTPUT AMPLITUDE (V P-P) BRIGHTNESS CONTROL VOLTAGE (V DC ) BRIGHTNESS CONTROL CHARACTERISTICS OUTPUT DC VOLTAGE (V DC ) ABL CONTROL VOLTAGE (V DC ) ABL CHARACTERISTICS OUTPUT AMPLITUDE (V P-P) Main contrast: Max Sub contrast : Max FH OSD ADJUST CONTROL DATA OSD ADJUST CONTROL CHARACTERISTICS OUTPUT AMPLITUDE (V P-P) 0.5 INPUT SYNC AMPLITUDE (V P-P) SYNC ON GREEN INPUT MIN. PULSE WIDTH SYNC DUTY (%) Sync separate (Video duty=75%) normal operating range IN 100k

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER APPLICATION EXAMPLE 0.01µ 47µ 0.01µ 3.3µ 110V CRT 12V INPUT (R) SON G INPUT 2932 28 27 23 24 22 20 2126 2534 30 Units Resistance : Ω Capacitance : F 35 31 3336 1885 9 10 14 13 15 17 1611 123726 41 M52743BSP 0 to 5V 0.01µ BLK IN (for retrace) 0.01µ 0.01µ 1k 1k 0.01µ0.01µ 0.01µ SDA SCL Clamp pulse IN 5VTTL Cut Off Adj DAC OUT ×4 100µH 100 47µ 0.01µ 3.3µ 0.01µ 47µ ABL IN Sync0 to 5V 7575 0.01µ3.3µ 75 5VTTL 5VTTL 5VTTL 5VTTL 0.01µ 47µ INPUT (G) INPUT (B)

• FEED BACK IS INTERNAL FEED BACK OSD IN (B) OSD IN (G) OSD IN (R) BLK IN Sep OUT NC (for OSD) 100k ∗ Circuit example of pin6 and pin7 same signal input

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER DESCRIPTION OF PIN Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function

1 OSD BLK IN −

⋅Input pulses ⋅Connected to GND if not used. INPUT (R) INPUT (G) INPUT (R) 2.5 ⋅Clamped to about 2.5V due to clamp pulses from pin 19. ⋅Input at low impedance. V CC1 (R) VCC1 (G) VCC1 (B) 12 − ⋅Apply equivalent voltage to 3 channels. OSD IN (R) OSD IN (G) OSD IN (B) ⋅Input pulses ⋅Connected to GND if not used. GND 1 (R) GND 1 (G) GND 1 (B) GND (5V) GND 2 GND −

7 INPUT

(S on G) When open≈2.5V ⋅SYNC ON GREEN input pin for sync separation. Sync is negative. input signal at Pin7, compare with the reference voltage of internal circuit in order to separate sync signal. ⋅When not used, set to OPEN. 2.7V0.8mA R G B 1.7V maximum 3.7 to 5V 2.5V 0.3mA CP 2k2k 2.7V 0.5mA 1.7V maximum 3.7 to 5V 3.2V 500

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function 15 ABL IN When open 2.5V ⋅ABL (Automatic Beam Limitter) input pin. Recommended voltage range is 0 to 5V. When ABL function is not used, set to 5V.

16 NC −−

CC (5V) 5 −

18 S on G Sep

OUT − ⋅Sync signal output pin, Being of open collector output type.

19 Clamp Pulse

IN − ⋅Input pulses ⋅Input at low impedance.

20 SCL −

⋅SCL of I 2C BUS (Serial clock line) V TH =2.3V

21 SDA −

⋅SDA of I2C BUS (Serial data line) V TH =2.3V 1.2k 0.5mA 1.2k 20k 30k 2.5V 0.15mA 2.2V 41k 0.5V maximum 2.5 to 5V 50k 50k

MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function D/A OUT − ⋅D/A output pin. Output voltage range is 0 to 5V, Max output current is 0.4mA.

27 Retrace BLK

IN − ⋅Input pulses ⋅Connected to GND if not used. EXT Feed Back (B) EXT Feed Back (G) EXT Feed Back (R) Variable − OUTPUT (B) OUTPUT (G) OUTPUT (R) Variable ⋅A resistor is needed on the GND side. Set discretionally to maximum 15mA, depending on the required driving capacity. 36 V CC2 12 Impressed ⋅Used to supply power to output emitter follower only.

30 Main

Brightness − ⋅It is recommended that the IC be used between pedestal voltage 2V and 3V. 2.25V R G 50k B 0.5V maximum 2.5 to 5V 35k 35k

MITSUBISHI ICs (Monitor) M52743BSP I C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER APPLICATION METHOD FOR M52743BSP CLAMP PULSE INPUT Clamp pulse width is recommended above 15kHz, 1.0 µ sec above 30kHz, 0.5 µ sec above 64kHz, 0.3 µ sec. 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. 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 feedbacked from Power AMP is 1V, when the bottom of output signal is 1V. Power Amp OUT Pre Amp INPUT R MAIN BRIGHTNESS DC:1 to 5V R OUT PUT Black level 1 to 5V R Feed back Black level 1 to 5V Power Amp M52743BSP EXT-FEED BACK APPLICATION CIRCUIT NOTICE OF APPLICATION Make the nearest distance between output pin and pull down resister. Recommended pedestal voltage of IC output signal is 2V. TAILING That case recommends use of M52743BSP . Window signal SCREEN Shadow tailing