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| MITSUBISHI ICs (Monitor) M52743BSP I2C 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 2C bus. OSD IN(R) OSD BLK IN INPUT(R) VCC1(R) 1 2 3 4 5 6 7 8 9 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(5V) 21 SDA 20 SCL 19 CLAMP PULSE IN PIN CONFIGURATION (TOP VIEW) FEATURES GND 1(R) INPUT(G) INPUT(SOG) VCC1(G) OSD IN(G) * * * Frequency band width: RGB.............................150MHz (at -3dB) OSD..............................................80MHz Input :RGB.............................................................0.7V P-P (typ.) OSD..........................................3VP-P minimum (positive) BLK (for OSD)...........................3VP-P minimum (positive) Retrace BLK.............................3VP-P minimum (positive) Output :RGB...........................................................5.5V P-P (max.) OSD..............................................................5VP-P (max.) Main contrast and sub contrast can be controlled by I 2C bus. Include internal and external pedestal clamp circuit. M52743BSP GND 1(G) 10 INPUT(B) 11 VCC1(B) 12 OSD IN(B) 13 GND 1(B) 14 ABL IN 15 NC 16 STRUCTURE Bipola silicon monolisic IC APPLICATION CRT display monitor VCC (5V) 17 SOG SEP OUT 18 RECOMMENDED OPERATING CONDITION Supply voltage range......................11.5 to 12.5V (V3, V8, V12, V36) 4.5 to 4.4V (V17) Rated supply voltage..................................12.0V (V3, V8, V12, V36) 5.0V (V17) Outline 36P4E NC:NO CONNECTION MAJOR SPECIFICATION Bus controlled 3ch video pre-amp with OSD mixing function and retrace blanking function 1 MAIN BRIGHTNESS 30 27 RETRACE BLK IN OSD IN (R) 4 BLOCK DIAGRAM INPUT (R) OSD MIX AMP 35 OUTPUT (R) 2 CLAMP SUB CONTRAST MAIN CONTRAST RETRACE BLANKING VCC1 (R) 12V SUB CONT (8bit) CLAMP F/B 34 EXT FEED BACK (R) 3 GND 1(R) 5 OSD IN (G) 9 INPUT (G) OSD MIX AMP 6 CLAMP SUB CONTRAST MAIN CONTRAST RETRACE BLANKING 32 OUTPUT (G) VCC1 (G) 12V SUB CONT (8bit) CLAMP F/B 8 31 EXT FEED BACK (G) GND 1(G) 10 OSD IN (B) 13 INPUT (B) 11 OSD MIX AMP CLAMP SUB CONTRAST MAIN CONTRAST RETRACE BLANKING 29 OUTPUT (B) VCC1 (B) 12V 12 SUB CONT (8bit) Main CONTRAST 8bit OSD LEVEL 4bit GND 1(B) 14 CLAMP F/B 28 EXT FEED BACK (B) CONTRAST (ABL) IN 15 VCC 5V 17 (DIGITAL) 21 SDA DAC R SUB CONT 8bit G SUB CONT 8bit B SUB CONT 8bit BUS I/F 20 SCL 22 GND(5V) INPUT (SOG) 7 Sync On GreenSep SOG SEP OUT 18 36 33 1 OSD BLK IN 23 24 25 26 DAC OUTPUT FOR CUT-OFF Adj 19 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER CLAMP PULSE IN VCC2=12V GND2 2 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER ABSOLUTE MAXIMUM RATINGS (Ta=25C) Symbol VCC Pd Topr Tstg Vopr Vopr' jc Parameter Supply voltage Power dissipation Ambient temperature Storage temperature Recommended supply Voltage range Case temperature Ratings 13.0 2403 -20 to +75 -40 to +150 12.0 10.5 to 12.5 22 Unit V mW C C V V C/W ELECTRICAL CHARACTERISTICS (VCC=12V, 5V, Ta=25C, unless otherwise noted) Test point 2,6,11 (s) RGB in Input 1 4,9,13 7 19 27 OSD OSD CP in ReT SOG in BLK in BLK CTL voltage 30 15 Bri- ABL ght BUS CTL (H) 00H 01H 02H 03H 04H 05H 06H 07H 08H 09H 0BH Main Sub Sub Sub OSD BLK D/A D/A D/A D/A INT cont cont cont cont Adj Adj OUT OUT OUT OUT EXT 1 2 3 1 2 3 4 FFH FFH FFH FFH 00H 255 255 255 255 0 00H FFH FFH FFH FFH 00H 0 255 255 255 255 0 Limits Unit Min. Typ. Max. - - 6.0 110 130 18 8.0 - 22 - - mA mA VP-P VP-P dB - dB - dB - VP-P - dB - dB - VP-P - Symbol Parameter ICC1 ICC2 Vomax Vimax Gv Gv VC1 VC1 VC2 VC2 VC3 VC3 VSC1 VSC1 VSC2 VSC2 VSC3 VSC3 Circuit current1 Circuit current2 Output dynamic range IA IB 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 - 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 b SG2 b IN OUT SG2 OUT - b SG1 - b SG1 - b SG1 - b SG1 - b SG1 - b SG1 - b SG1 - b SG5 b SG5 b SG5 b SG5 b SG5 - b SG5 - 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 - a - a - a - a - 4.0 5.0 4.0 5.0 Vari able 5.0 2.0 5.0 2.0 5.0 - - 64H 100 1.6 Variable FFH 255 16.5 17.7 19.7 0.8 1.0 1.2 - C8H 200 OUT - OUT - OUT - OUT - OUT - OUT - 2.0 5.0 - - 14.5 16.0 17.5 0.8 1.0 1.2 - 64H 100 2.0 5.0 - - 8.5 10.0 11.5 0.8 0.2 0.8 1.0 0.4 1.0 1.2 0.6 1.2 - 14H 20 2.0 5.0 - - - FFH C8H C8H C8H 255 200 200 200 2.0 5.0 - - 14.8 16.3 17.8 0.8 1.0 1.2 ---- FFH 64H 255 100 64H 100 64H 100 2.0 5.0 - - 11.1 12.6 14.1 0.8 1.4 0.8 1.0 1.7 1.0 1.2 2.0 1.2 Sub contrast control relative characteristics2 Sub contrast control characteristics3 Sub contrast control relative characteristics3 ---- FFH 14H 255 20 14H 20 14H 20 2.0 5.0 - - ---- 3 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter Test point 2,6,11 (s) RGB in Input 1 4,9,13 7 19 27 OSD OSD CP in ReT SOG in BLK BLK in CTL voltage 30 15 Bri- ABL ght BUS CTL (H) 00H 01H 02H 03H 04H 05H 06H 07H 08H 09H 0BH Main Sub Sub Sub OSD BLK D/A D/A D/A D/A INT cont cont cont cont Adj Adj OUT OUT OUT OUT EXT 1 2 3 1 2 3 4 Limits Unit Min. Typ. Max. 3.2 0.8 3.8 0.8 2.2 0.8 3.3 -0.3 1.5 -0.3 0.7 -0.3 -2.0 -1.0 3.8 1.0 4.6 1.0 2.7 1.0 3.7 0 1.8 0 0.9 0 0 0 0 0 3.0 0 -25 -15 -25 -15 -25 -15 4.4 1.2 5.4 1.2 3.2 1.2 4.1 0.3 2.1 0.3 1.1 0.3 2.5 1.0 3.0 1.0 5.0 1.0 -20 -10 -20 -10 -20 -10 VP-P - VP-P - VP-P - V - V - V - dB dB dB dB dB dB dB dB dB dB dB dB VMSC VMSC Main/sub contrast control characteristics2 Main/sub contrast control relative characteristics2 OUT - OUT - OUT - OUT - OUT - OUT - OUT - OUT - OUT - b SG1 - b SG1 - b SG1 - a - a - a - b SG3 - b SG3 - b SG3 - 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 b SG5 - b SG5 - b SG5 - b SG5 - b SG5 - b SG5 - a 5V - a 5V - a 5V - 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 - a - a - a - a - a - a - a a a a a a 2.0 5.0 - - C8H C8H C8H C8H 00H 200 200 200 200 0 00H FFH FFH FFH FFH 00H 0 255 255 255 255 0 ---- FFH FFH FFH FFH 255 255 255 255 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' ABL control characteristics1 ABL control relative characteristics1 2.0 4.0 - - ABL control characteristics2 ABL control relative characteristics2 2.0 2.0 - - Brightness control characteristics1 Brightness control relative characteristics1 Brightness control characteristics2 Brightness control relative characteristics2 Brightness control characteristics3 Brightness control relative characteristics3 Frequency characteristics1 (f=50MHz) Frequency relative characteristics1 (f=50MHz) 4.0 5.0 - - 2.0 5.0 - - 1.0 5.0 - - Va Vari ria able 5.0 ble - - - FFH FFH FFH 00H 255 255 255 0 00H FFH FFH FFH FFH 00H 0 255 255 255 255 0 Frequency characteristics1 (f=150MHz) Frequency relative characteristics1 (f=150MHz) Va Vari ria able 5.0 ble -3.0 -1.0 Frequency characteristics2 (f=150MHz) Frequency relative characteristics2 (f=150MHz) Vari able 5.0 - - FFH 255 -3.0 -1.0 - - - - - - Crosstalk 1 (f=50MHz) Crosstalk 1 (f=150MHz) Crosstalk 2 (f=50MHz) Crosstalk 2 (f=150MHz) Crosstalk 3 (f=50MHz) Crosstalk 3 (f=150MHz) 2bSG3 OUT(29) 6a OUT(32) 11a 2bSG3 OUT(29) 6a OUT(32) 11a 2a OUT(29) 6bSG3 OUT(35) 11a 2a OUT(29) 6bSG3 OUT(35) 11a 2a OUT(32) 6a OUT(35) 11bSG3 2a OUT(32) 6a OUT(35) 11bSG3 Vari able 5.0 Vari able 5.0 Vari able 5.0 Vari able 5.0 Vari able 5.0 Vari able 5.0 4 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter Test point 2,6,11 (s) RGB in Input 1 4,9,13 7 19 27 OSD OSD CP in ReT SOG in BLK BLK in CTL voltage 30 15 Bri- ABL ght BUS CTL (H) 00H 01H 02H 03H 04H 05H 06H 07H 08H 09H 0BH Main Sub Sub Sub OSD BLK D/A D/A D/A D/A INT cont cont cont cont Adj Adj OUT OUT OUT OUT EXT 1 2 3 1 2 3 4 Limits Unit Min. Typ. Max. - - 1.7 3.0 - - ns ns Tr Tf Pulse characteristics1 (4VP-P) Pulse characteristics2 (4VP-P) OUT OUT b SG1 b SG1 b SG1 b SG1 b SG1 b SG1 a a a - a - a - a a a a a b SG5 b SG5 b SG5 Variable a a a a Va Vari ria able 5.0 ble Va Vari ria able 5.0 ble FFH FFH FFH 00H 255 255 255 0 00H FFH FFH FFH FFH 00H 0 255 255 255 255 0 VthCP WCP PDCH PDCL OTr OTf Oaj1 Oaj1 Oaj2 Oaj2 Oaj3 Oaj3 VthOSD Clamp pulse threshold voltage Clamp pulse minimum width Pedestal voltage temperature characteristics1 Pedestal voltage temperature characteristics2 OUT a a a a 2.0 5.0 FFH 255 1.0 1.5 2.0 V OUT OUT OUT OUT OUT OUT - OUT - OUT - OUT OUT OUT OUT OUT OUT SonG IN Sync OUT SonG IN Sync OUT a a a a a a b SG5 Variable 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 2.0 5.0 - - 08H 8 0.2 -3.0 -3.0 - - 4.6 0.8 2.8 0.8 0 0.8 2.2 2.2 0FH 15 0.5 0 0 3.0 3.0 5.4 1.0 3.3 1.0 0.1 1.0 2.7 2.7 2.0 1.0 0.4 1.5 - 0.3 0.3 6.0 6.0 6.2 1.2 3.8 1.2 0.5 1.2 3.2 3.2 2.3 1.3 0.7 2.0 s V V ns ns VP-P - VP-P - VP-P - V V V V V V b SG5 b SG5 OSD pulse characteristics1 OSD pulse characteristics2 OSD adjust control characteristics1 OSD adjust control relative characteristics1 OSD adjust control characteristics2 OSD adjust control relative characteristics2 OSD adjust control characteristics3 OSD adjust control relative characteristics3 b b a SG6 SG5 b b a SG6 SG5 b b b SG6 SG6 SG5 - - - 08H 8 0FH 15 - 08H 8 b b b SG6 SG6 SG5 - - - 2.0 5.0 - - - 08H 8 b b b SG6 SG6 SG5 - - - 2.0 5.0 - - - 08H 8 OSD input threshold voltage OSD BLK input b b b SG6 SG6 Variable SG5 2.0 5.0 2.0 5.0 2.0 5.0 2.0 5.0 2.0 5.0 2.0 5.0 VthBLK threshold voltage b b SG6 a SG1 Variable b SG5 00H 0 HBLK1 HBLK2 HBLK3 Retrace BLK characteristics1 Retrace BLK characteristics2 Retrace BLK characteristics3 Retrace BLK a a a a a a a a a a a a b b SG5 SG7 a b b SG5 SG7 a b b SG5 SG7 a b b SG7 SG5 Variable a 1.7 0.7 0.1 1.0 06H 6 00H 0 VthRET input threshold voltage 08H 8 SS-NV SS-SV VSH VSL TDS-F SOG input maximum noize voltage SOG minimum input voltage Sync output hi level Sync output lo level Sync output delay time1 a a a a a SG4 Variable b 2.0 5.0 0 0.01 0.02 VP-P a a a a a a a a a a a a a a a a a SG4 Variable b 2.0 5.0 2.0 5.0 2.0 5.0 2.0 5.0 0.2 4.5 0 0 0.3 4.9 0.3 60 - 5.0 0.6 90 VP-P V V ns Sync OUT Sync OUT Sync OUT b a SG4 b a SG4 b a SG4 5 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter Test point 2,6,11 (s) RGB in Sync OUT Input 1 4,9,13 7 19 27 OSD OSD CP in ReT SOG in BLK BLK in CTL voltage 30 15 Bri- ABL ght BUS CTL (H) 00H 01H 02H 03H 04H 05H 06H 07H 08H 09H 0BH Main Sub Sub Sub OSD BLK D/A D/A D/A D/A INT cont cont cont cont Adj Adj OUT OUT OUT OUT EXT 1 2 3 1 2 3 4 Limits Unit Min. Typ. Max. 0 60 5.0 0.5 - - 90 5.5 1.0 0.4 1.0 ns VDC VDC mA LSB TDS-R VOH VOL IAO DNL Sync output delay time2 D/A H output voltage D/A L output voltage D/A output current range D/A nonlinearity a a a a a a a a a a a a a a a a a a a a b a SG4 2.0 5.0 2.0 5.0 2.0 5.0 2.0 5.0 2.0 5.0 FFH FFH FFH FFH 00H 255 255 255 255 0 00H FFH FFH FFH FFH 00H 0 255 255 255 255 0 D/A OUT D/A OUT D/A OUT D/A OUT a a a a a a a a 4.5 0 -1.0 -1.0 00H 0 00H 0 00H 0 00H 0 Vari Vari Vari Vari abl abl abl abl e e e e Vari Vari Vari Vari abl abl abl abl e e e e 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 (V) VOH 5.0 Waveform output VOL 0.0 Gv Relative maximum gain Relative maximum gain GV is calculated by the equation bellow: GV= VOUT (29)/VOUT (32), VOUT (32)/VOUT (35), VOUT (35)/VOUT (29) VC1 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 VC1 is calculated by the equation bellow: VC1=20Log VOUT (dB) 0.7 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 VC1. 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 VC1. Vimax Maximum input Increase the input signal (SG2) amplitude gradually, starting from 700mVP-P. Measure the amplitude of the input signal when the output signal starts becoming distorted. 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 6 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 VSC1 is calculated by the equation below: VSC1=20Log VOUT (dB) 0.7 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. 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). VB1 Brightness control relative characteristics1 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 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 VSC1. 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: VMSC1=20Log VOUT 0.7 (dB) 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=50MHz) First, SG3 to 1MHz is as input signal. Input a resister that is about 2k to offer the voltage at input pins (2, 6, 11) in order that the bottom of input signal is 2.5V. Control the main contrast in order that the amplitude of sine wave output is 4.0VP-P. Control the brightness in order that the bottom of sine wave output is 2.0VP-P. By the same way, measure the output amplitude when SG3 to 50MHz is as input signal. The measured value is called VOUT (29, 32, 35). Frequency 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) FC1 Frequency relative characteristics1 (f=50MHz) Relative characteristics FC1 is calculated by the difference in the output between the channels. characteristics FC1 (29, 32, 35) is calculated by the equation below: FC1=20Log VOUT VP-P (dB) Output amplitude when inputed SG3 (1MHz):4VP-P 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. 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) 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 ttreated as VB1. 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) 7 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER 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 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 FC2 (29, 32, 35) is calculated by the equation below: FC1=20Log VOUT VP-P (dB) Output amplitude when inputed SG3 (1MHz):4VP-P Tr Pulse characteristics1 (4VP-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 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=20Log VOUT (29, 32) VOUT (35) (dB) Tf Pulse characteristics2 (4VP-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: TR= [(Tf2)2-(Tf1)2] (nsec) 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=20Log VOUT (29, 35) VOUT (32) (dB) VthCP Clamp pulse threshold voltage Turn down the SG5 input level gradually from 5.0VP-P, monitoring the waveform output. C.T.2' Crosstalk2 (f=150MHz) Measuring condition and procedure are the same as described in C.T.2, expect SG3 to 150MHz. WCP Clamp pulse minimum width Decrease the SG5 pulse width gradually from 0.5s, monitoring the output. Measure the SG5 pulse width (a point of 1.5V) when the output pedestal voltage turn decrease with unstable. Measure the top level of input pulse when the output pedestal voltage turn decrease with unstable. 0% Tr1 or Tr2 Tf1 or Tf2 100% 90% FC1' Frequency characteristics1 (f=150MHz) Measuring condition and procedure are the same as described in FC1, expect SG3 to 150MHz. below: C.T.3=20Log VOUT (32, 35) VOUT (29) (dB) C.T.3' Crosstalk3 (f=150MHz) Measuring condition and procedure are the same as described in C.T.3, expect SG3 to 150MHz. % (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= [(Tr2)2-(Tr1)2] (nsec) 10% 8 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER 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 PDCL Pedestal voltage temperature characteristics2 Measure the pedestal voltage at 25C. The measured value is called PDC1. Measure the pedestal voltage at temperature of 75C. The measured value is called PDC3. Pedestal voltage temperature characteristics 2 is calculated by the equation below: PDCL=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. 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 0VP-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. 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. 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. PDCH Pedestal voltage temperature characteristics1 Measure the pedestal voltage at 25C. The measured value is called PDC1. Measure the pedestal voltage at temperature of -20C. The measured value is called PDC2. Pedestal voltage temperature characteristics 1 is calculated by the equation below: PDCH=PDC1-PDC2 9 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. 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. SG4 Pedestal voltage sync (50%) (50%) VOH D/A H output voltage Measure the DC voltage at D/AOUT. The measured value is ttreated as VOH. 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. SyncOUT TDS-F TDS-R BUS CONTROL TABLE (1) Slave address D7 1 D6 0 D5 0 D4 0 D3 1 D2 0 D1 0 R/W 0 =88H (2) Each function's sub address 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 Notes) pedestal level INT/EXT SW 0INT 1EXT 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 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 Data byte (up:bit information down: preset) D5 D4 D3 D2 A05 A04 A03 A02 0 0 0 0 A15 A14 A13 A12 0 0 0 0 A25 A24 A23 A22 0 0 0 0 A35 A34 A33 A32 0 0 0 0 - - A43 A42 0 0 1 0 - - A53 A52 0 0 1 0 A65 A64 A63 A62 0 0 0 0 A75 A74 A73 A72 0 0 0 0 A85 A84 A83 A82 0 0 0 0 A95 A94 A93 A92 0 0 0 0 - - - - 0 0 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 10 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER I2C BUS CONTROL SECTION SDA, SCL CHARACTERISTICS Symbol VIL VIH fSCL tBUF tHD:STA tLOW tHIGH tSU:STA tHD:DAT tSU:DAT tr tf tSU:STO 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 Set 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 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 DIAGRAM tr, tf tBUF VIH SDA VIL tHD:STA tSU:DAT tHD:DAT tSU:STA tSU:STO VIH SCL VIL tLOW S tHIGH S P S 11 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER INPUT SIGNAL SG No. 33s Signals Pulse with amplitude of 0.7VP-P (f=30kHz). Video width of 25s. (75%) SG1 Video signal (all white) 8s 0.7VP-P SG2 Video signal (step wave) 0.7VP-P (Amplitude is partially variable.) SG3 Sine wave (for freq. char.) Sine wave amplitude of 0.7VP-P. f=1MHz, 50MHz, 150MHz (variable) Video width of 25s. (75%) SG4 Video signal 0.7VP-P (all white, all black) 3s all white or all black variable. 0.3VP-P Sync's amplitude is variable. Pulse width and amplitude are variable. 0.5s SG5 Clamp pulse 5VTTL SG6 OSD pulse 5VTTL Amplitude is partially variable. 5s SG7 BLK pulse 5VTTL 5s Amplitude is partially variable. ) f=30kHz 12 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER TEST CIRCUIT OUT (35) 100 1k 100H 1k OUT (32) V30 0 to 5V 1k OUT (29) SG7 D/A D/A D/A D/A OUT1 OUT2 OUT3 OUT4 SDA SCL SG5 C/P IN b SW19 a a b SW27 36 12V 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 gnd 21 sda 20 scl 19 c/p M52743BSP blk 1 R 2 12V 3 osd 4 gnd 5 G 6 SonG 7 12V 8 osd 9 gnd 10 B 11 12V 12 osd 13 gnd 14 abl 15 NC 16 5V 17 47 sync 18 IN (2) 3.3 0.01 IN (6) SONG IN 3.3 0.01 100k IN (11) 3.3 0.01 1 V15 0 to 5V b SYNC OUT SW1 a SW2 ba b SW4 a b SW6 a SW7 ba b SW9 a b SW11 a b SW13 a 1k A IB IA A 47 12V SG6 SG1 SG2 SG3 5V SG4 : MEASURE POINT Condenser : 0.01F (unless otherwise specified.) Units Resistance : Capacitance : F TYPICAL CHARACTERISTICS THERMAL DERATING 2800 MAIN CONTRAST CONTROL CHARACTERISTICS 6 POWER DISSIPATION Pd (mW) OUTPUT AMPLITUDE (VP-P) 2403 2400 2000 1600 1200 800 400 0 -20 5 4 3 2 1 0 00H 1442 Sub contrast: Max 0 25 50 75 100 125 150 FFH AMBIENT TEMPERATURE Ta (C) MAIN CONTRAST CONTROL DATA 13 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER SUB CONTRAST CONTROL CHARACTERISTICS 6 5 4 3 2 1 0 00H BRIGHTNESS CONTROL CHARACTERISTICS 6 OUTPUT DC VOLTAGE (VDC) FFH OUTPUT AMPLITUDE (VP-P) 5 4 3 2 1 0 0 5 Main contrast: Max SUB CONTRAST CONTROL DATA BRIGHTNESS CONTROL VOLTAGE (VDC) ABL CHARACTERISTICS 6 OSD ADJUST CONTROL CHARACTERISTICS 6 OUTPUT AMPLITUDE (VP-P) 5 4 3 2 1 0 0 5 OUTPUT AMPLITUDE (VP-P) 5 4 3 2 1 0 0H Main contrast: Max Sub contrast : Max FH ABL CONTROL VOLTAGE (VDC) OSD ADJUST CONTROL DATA SYNC ON GREEN INPUT MIN. PULSE WIDTH 12 (Video duty=75%) 10 SYNC DUTY (%) 8 Sync separate normal operating range 6 4 2 7 100k 1 0 0 0.5 INPUT SYNC AMPLITUDE (VP-P) IN 14 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER APPLICATION EXAMPLE CRT 110V Cut Off Adj DAC OUTx4 5VTTL BLK IN (for retrace) SDA 0 to 5V 100 100H 36 35 34 33 32 31 0.01 30 29 28 27 0.01 0.01 0.01 0.01 26 25 24 23 22 21 20 19 SCL Clamp pulse IN 1k 1k 1k M52743BSP 1 2 3 4 0.01 5 6 7 100k 1 8 9 10 0.01 11 12 13 14 15 16 NC 17 18 0.01 ABL IN 47 3.3 0.01 47 0 to 5V 1k Sync Sep OUT 3.3 0.01 47 3.3 0.01 75 5VTTL 5VTTL 75 5VTTL 75 5VTTL OSD IN (B) OSD IN (G) OSD IN (R) BLK IN (for OSD) 0.01 47 12V 5V INPUT (R) INPUT (G) SONG INPUT INPUT (B) *FEED BACK IS INTERNAL FEED BACK Units Resistance : Capacitance : F Circuit example of pin6 and pin7 same signal input 15 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 R G Input pulses 3.7 to 5V 1.7V maximum 2.7V 1 OSD BLK IN - 1 B 0.8mA Connected to GND if not used. 2k 2k 2 6 11 INPUT (R) INPUT (G) INPUT (R) 2.5 2 Clamped to about 2.5V due to clamp pulses from pin 19. Input at low impedance. 2.5V 0.3mA CP 3 8 12 VCC1 (R) VCC1 (G) VCC1 (B) 12 - Apply equivalent voltage to 3 channels. Input pulses 4 9 13 OSD IN (R) OSD IN (G) OSD IN (B) 1k 3.7 to 5V 1.7V maximum - 4 0.5mA 2.7V Connected to GND if not used. 5 10 14 22 33 GND 1 (R) GND 1 (G) GND 1 (B) GND (5V) GND 2 GND - 7 INPUT (S on G) When open2.5V 500 1k 3.2V 7 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. 16 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 2.5V 20k 15 ABL IN When open 2.5V 1.2k 1.2k 30k ABL (Automatic Beam Limitter) input pin. Recommended voltage range is 0 to 5V. When ABL function is not used, set to 5V. 0.5mA 15 16 17 NC VCC (5V) - 5 - - 18 18 S on G Sep OUT - Sync signal output pin, Being of open collector output type. 41k Input pulses 2.5 to 5V 19 Clamp Pulse IN - 19 2.2V 0.5V maximum Input at low impedance. 0.15mA 50k 20 SCL - 20 2k 3V SCL of I2C BUS (Serial clock line) VTH=2.3V 50k 21 SDA - 21 2k 3V SDA of I2C BUS (Serial data line) VTH=2.3V 17 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 23 24 25 26 D/A OUT - 23 D/A output pin. Output voltage range is 0 to 5V, Max output current is 0.4mA. 50k R G Input pulses 2.5 to 5V 0.5V maximum 27 Retrace BLK IN - B 27 2.25V Connected to GND if not used. 35k 28 31 34 EXT Feed Back (B) EXT Feed Back (G) EXT Feed Back (R) Variable - 28 29 32 35 OUTPUT (B) OUTPUT (G) OUTPUT (R) 36 Variable 50 A resistor is needed on the GND side. Set discretionally to maximum 15mA, depending on the required driving capacity. 50 29 36 VCC2 12 Impressed Used to supply power to output emitter follower only. 35k 30 Main Brightness - It is recommended that the IC be used between pedestal voltage 2V and 3V. 30 18 MITSUBISHI ICs (Monitor) M52743BSP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER APPLICATION METHOD FOR M52743BSP CLAMP PULSE INPUT Clamp pulse width is recommended above 15kHz, 1.0sec above 30kHz, 0.5sec above 64kHz, 0.3sec. 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. 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 feedbacked from Power AMP is 1V, when the bottom of output signal is 1V. MAIN BRIGHTNESS DC:1 to 5V Pre Amp INPUT R Power Amp Power Amp OUT R OUT PUT Black level 1 to 5V NOTICE OF APPLICATION Make the nearest distance between output pin and pull down resister. Recommended pedestal voltage of IC output signal is 2V. M52743BSP R Feed back Black level 1 to 5V R1 R2 EXT-FEED BACK APPLICATION CIRCUIT TAILING That case recommends use of M52743BSP. Window signal Shadow tailing SCREEN 19 |
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