M52744 MITSUBISHI [Mitsubishi Electric Semiconductor], M52744 Datasheet
M52744
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M52744 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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... SG5 255 FFH a a 2.0 5.0 SG5 255 2.0 5.0 FFH SG5 255 MITSUBISHI ICs (Monitor) M52743SP/M52744SP Unit C/W BUS CTL (H) Limits 01H 02H 03H 04H 05H 06H 07H 08H 09H 0BH INT Sub Sub Sub OSD BLK ...
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... Vari able 5 Vari able 5 Vari able 5.0 5V MITSUBISHI ICs (Monitor) M52743SP/M52744SP BUS CTL (H) 01H 02H 03H 04H 05H 06H 07H 08H 09H 0BH INT Sub Sub Sub OSD BLK D/A D/A D/A D/A Min. Typ. Max. EXT cont ...
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... SG4 Variable 2.0 5.0 SG4 2.0 5.0 SG4 2.0 5.0 SG4 MITSUBISHI ICs (Monitor) M52743SP/M52744SP BUS CTL (H) Limits 01H 02H 03H 04H 05H 06H 07H 08H 09H 0BH INT Sub Sub Sub OSD BLK D/A D/A D/A D/A Min. Typ. Max. EXT cont cont ...
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... Measuring condition and procedure are the same as described Main contrast control relative characteristics3 Measuring condition and procedure are the same as described MITSUBISHI ICs (Monitor) M52743SP/M52744SP BUS CTL (H) Limits 01H 02H 03H 04H 05H 06H 07H 08H 09H 0BH INT ...
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... The measured value is called VOUT (29, 32, 35). Frequency characteristics F F =20Log C1 F Frequency relative characteristics1 (f=50MHz) C1 Relative characteristics F output between the channels. MITSUBISHI ICs (Monitor) M52743SP/M52744SP is calculated by the difference in the VOUT (29)-VOUT (32), B1 VOUT (32)-VOUT (35), VOUT (35)-VOUT (29) . Control the brightness P-P P-P ...
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... WCP Clamp pulse minimum width Decrease the SG5 pulse width gradually from 0.5 s, monitoring the output. Measure the SG5 pulse width (a point of 1.5V) when the output pedestal voltage turn decrease with unstable. MITSUBISHI ICs (Monitor) M52743SP/M52744SP VOUT (32, 35) C.T.3=20Log (dB) VOUT (29) ) P-P ...
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... 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. 9 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 ...
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... A66 8 06H 1 0 A77 A76 8 07H 1 0 A87 A86 8 08H 1 0 A97 A96 8 09H 0BH 0 0 MITSUBISHI ICs (Monitor) M52743SP/M52744SP =88H A05 A04 A03 A02 A15 A14 A13 A12 A25 A24 A23 A22 ...
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... V IH SDA HD:STA V IH SCL LOW BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Parameter SU:STA t t SU:DAT HD:DAT t HIGH MITSUBISHI ICs (Monitor) M52743SP/M52744SP Min. -0.5 3.0 0 4.7 4.0 4.7 4.0 4.7 0 250 4.0 t BUF t SU:STO S P Max. Unit 1.5 V 5.5 V 100 kHz ...
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... BLK pulse BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Signals (f=30kHz). Video width (75 TTL 5 s MITSUBISHI ICs (Monitor) M52743SP/M52744SP 0.7V P-P 0.7V P-P (Amplitude is partially variable.) Sine wave amplitude of 0.7V . P-P f=1MHz, 50MHz, 150MHz (variable) all white or all black 0.7V P-P variable. Sync’s amplitude ...
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... IN ( 0.01 3.3 3.3 1 SW6 SW7 SW9 SW11 SG4 MAIN CONTRAST CONTROL CHARACTERISTICS 1442 75 100 125 150 MITSUBISHI ICs (Monitor) M52743SP/M52744SP D/A D/A D/A SDA OUT2 OUT3 OUT4 dac dac dac gnd sda B 12V osd gnd abl ...
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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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... M52743SP/M52744SP 0.01 100k 1 47 0.01 0.01 3.3 3 TTL TTL INPUT S G INPUT ON (G) INPUT (B) MITSUBISHI ICs (Monitor) M52743SP/M52744SP Cut Off Adj DAC OUT 4 5V TTL 0.01 0. TTL 0.01 47 FEED BACK IS ...
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... 0.8mA 2k 2.5 2 0.3mA 0.5mA GND 1k 3.2V MITSUBISHI ICs (Monitor) M52743SP/M52744SP Description of function Input pulses Connected to GND if not 2.7V used. 2k Clamped to about 2.5V due to clamp pulses from pin 19. Input at low impedance. 2.5V CP Apply equivalent voltage to 3 channels. Input pulses Connected to GND if not used. ...
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... C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER DC voltage (V ) Peripheral circuit of pins 1.2k 0.5mA 5 19 50k 20 2k 50k 21 2k MITSUBISHI ICs (Monitor) M52743SP/M52744SP Description of function 2.5V ABL (Automatic Beam 20k Limitter) input pin. Recommended voltage range 5V. 30k 1.2k When ABL function is not used, set to 5V ...
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... Main 30 Brightness BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Peripheral circuit of pins 50k 27 Variable Variable 12 Impressed MITSUBISHI ICs (Monitor) M52743SP/M52744SP Description of function D/A output pin. Output voltage range 5V, Max output 23 current is 0.4mA. Input pulses 2.25V Connected to GND if not used. 35k ...
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... C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER 19 Power Amp R Feed back Black level 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. MITSUBISHI ICs (Monitor) M52743SP/M52744SP Power Amp OUT R1 R2 ...