m52743sp Mitsumi Electronics, Corp., m52743sp Datasheet
m52743sp
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m52743sp Summary of contents
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... DESCRIPTION M52743SP and M52744SP 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 bus. FEATURES • Frequency band width: RGB.............................150MHz (at -3dB) OSD ...
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... BLOCK DIAGRAM M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER MITSUBISHI ICs (Monitor) 2 ...
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... Sub contrast V control relative SC2 characteristics2 Sub contrast b V control OUT a SC3 SG1 characteristics3 Sub contrast V control relative SC3 characteristics3 3 M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Ratings Unit 13.0 V 2403 mW -20 to +75 C -40 to +150 C 12.0 V 10 C/W (V =12V, 5V, Ta=25 C, unless otherwise noted) ...
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... OUT(35) 11a Crosstalk 3 2a OUT(32) C.T (f=50MHz) OUT(35) 11bSG3 2a Crosstalk 3 OUT(32) C.T.3’ (f=150MHz) OUT(35) 11bSG3 M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER (cont.) CTL Input voltage 00H 01H 02H 03H 30 OSD Main Sub Sub SOG CP in ...
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... VSH level OUT Sync output Sync VSL level OUT Sync output Sync TDS delay time1 OUT 5 M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER (cont.) CTL Input BUS CTL (H) voltage 00H 01H 02H 03H 30 Main Sub Sub ...
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... 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 G calculated by the equation below: VOUT G =20Log (dB) V 0.7 M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER (cont.) CTL Input BUS CTL (H) voltage 19 27 ...
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... 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) 7 M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER ABL2 ABL control characteristics2 Measuring condition and procedure are the same as described in ABL1. ...
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... VOUT (29, 35) C.T.2=20Log VOUT (32) C.T.2' Crosstalk2 (f=150MHz) Measuring condition and procedure are the same as described in C.T.2, expect SG3 to 150MHz. M52743SP/M52744SP 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) ...
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... Oaj1. Oaj3 OSD adjust control relative characteristics3 Measuring condition and procedure are the same as described in Oaj1. 9 MITSUBISHI ICs (Monitor) M52743SP/M52744SP 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 ...
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... D/A OUT1 D/A OUT2 D/A OUT3 D/A OUT4 Pedestal clamp INT/EXT SW Notes) pedestal level INT/EXT SW 0 INT 1 EXT M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER 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 ...
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... Fall time of both SDA and SCL lines f t Set-up time for stop condition SU:STO TIMING DIAGRAM SDA HD:STA V IH SCL LOW S 11 M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Parameter f t SU:STA t t SU:DAT HD:DAT t HIGH S MITSUBISHI ICs (Monitor) Min. Max. Unit -0.5 1.5 V 3.0 5.5 V ...
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... Video signal (all white, all black) Pulse width and amplitude are variable. SG5 Clamp pulse SG6 OSD pulse SG7 BLK pulse 5 s M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Signals (f=30kHz). Video width (75 0 TTL 5 s MITSUBISHI ICs (Monitor) ...
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... M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER D/A D/A SG7 OUT (29) OUT1 OUT2 V30 SW27 f/b brt out f/b blk dac dac M52743SP/M52744SP G SonG 12V osd gnd B 12V 100k (11) 0.01 0.01 3.3 1 SW7 SW9 SW11 SW13 a ...
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... SYNC ON GREEN INPUT MIN. PULSE WIDTH 12 (Video duty=75 Sync separate normal operating range 100k INPUT SYNC AMPLITUDE (V IN M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER BRIGHTNESS CONTROL CHARACTERISTICS FFH 0 BRIGHTNESS CONTROL VOLTAGE (V OSD ADJUST CONTROL CHARACTERISTICS 6 ...
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... TTL 12V 5V INPUT (R) Circuit example of pin6 and pin7 same signal input 15 M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER CRT DAC OUT 0.01 0.01 0. M52743SP/M52744SP 0.01 100k 1 47 0.01 0.01 3 TTL INPUT S G INPUT ON (G) INPUT (B) MITSUBISHI ICs (Monitor) ...
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... V (B) CC1 4 OSD IN (R) 9 OSD IN (G) 13 OSD IN (B) 5 GND 1 (R) 10 GND 1 (G) 14 GND 1 (B) 22 GND (5V) 33 GND 2 INPUT 7 When open 2. M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Peripheral circuit of pins 0.8mA 2k 2.5 2 0.3mA 0.5mA GND 500 1k 3.2V 7 MITSUBISHI ICs (Monitor) ...
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... Name DC voltage ( ABL IN When open 2. (5V Sep 18 OUT Clamp Pulse SCL 21 SDA 17 M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Peripheral circuit of pins 1.2k 1.2k 0.5mA 5 18 41k 19 2.2V 50k 20 2k 50k 21 2k MITSUBISHI ICs (Monitor) Description of function 2.5V ABL (Automatic Beam 20k Limitter) input pin ...
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... EXT Feed Back (R) 29 OUTPUT (B) 32 OUTPUT (G) Variable 35 OUTPUT ( CC2 Impressed Main 30 Brightness M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Peripheral circuit of pins 50k 27 35k 35k MITSUBISHI ICs (Monitor) Description of function D/A output pin. Output voltage range 5V, Max output 23 current is 0 ...
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... MITSUBISHI ICs (Monitor) M52743SP/M52744SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Power Amp Power Amp OUT R1 R2 TAILING There is the case that a screen tailing like a figure by characteristic of the next stage amplifier connected to M52744SP. That case recommends use of M52743SP. Window Shadow signal tailing SCREEN ...