M52743BSP Mitsumi Electronics, Corp., M52743BSP Datasheet
M52743BSP
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M52743BSP Summary of contents
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... 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 bus. FEATURES • Frequency band width: RGB.............................150MHz (at -3dB) OSD..............................................80MHz Input :RGB ...
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... BLOCK DIAGRAM BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER MITSUBISHI ICs (Monitor) M52743BSP 2 ...
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... SG5 255 100 100 100 b FFH 14H 14H 14H 2.0 5.0 SG5 255 MITSUBISHI ICs (Monitor) M52743BSP Limits Unit 04H 05H 06H 07H 08H 09H 0BH INT OSD BLK D/A D/A D/A D/A Min. Typ. Max. EXT Adj Adj OUT OUT OUT OUT ...
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... Vari able 5 Vari 5.0 able 5V a Vari 5.0 able 5V MITSUBISHI ICs (Monitor) M52743BSP BUS CTL (H) Limits Unit 04H 05H 06H 07H 08H 09H 0BH INT Sub OSD BLK D/A D/A D/A D/A Min. Typ. Max. EXT cont Adj Adj OUT OUT ...
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... Variable 2.0 5.0 SG4 Variable 2.0 5.0 SG4 2.0 5.0 SG4 2.0 5.0 SG4 MITSUBISHI ICs (Monitor) M52743BSP Limits Unit 04H 05H 06H 07H 08H 09H 0BH INT OSD BLK D/A D/A D/A D/A Min. Typ. Max. EXT Adj Adj OUT OUT OUT OUT ...
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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) M52743BSP Limits Unit 04H 05H 06H 07H 08H 09H 0BH INT OSD BLK D/A ...
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... C1 F =20Log C1 Output amplitude when inputed SG3 (1MHz):4V F Frequency relative characteristics1 (f=50MHz) C1 Relative characteristics F C1 output between the channels. MITSUBISHI ICs (Monitor) M52743BSP . B1 is calculated by the difference in the . Control the brightness P the same P-P VOUT V P-P (dB) P-P is calculated by the difference in the ...
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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) M52743BSP VOUT (32, 35) (dB) VOUT (29) ) P-P ...
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... The sync's amplitude of SG4 be changed all white or all black, decrease from 0.3V to 0.2V P-P 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. M52743BSP . No pulse output permitted. P-P . Confirm no malfunction produced P-P ...
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... A76 A75 8 07H A87 A86 A85 8 08H A97 A96 A95 8 09H 0BH MITSUBISHI ICs (Monitor) M52743BSP A04 A03 A02 A01 A00 A14 A13 A12 A11 A10 A24 A23 A22 A21 ...
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... V IH SDA HD:STA V IH SCL LOW BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Parameter f t SU:STA t t SU:DAT HD:DAT t HIGH S MITSUBISHI ICs (Monitor) M52743BSP Min. Max. Unit -0.5 1.5 V 3.0 5 100 kHz 4.7 s 4.0 s 4.7 s 4 250 ns 1000 ns 300 ns 4 BUF ...
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... BLK pulse BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Signals (f=30kHz). Video width (75 0 TTL 5 s MITSUBISHI ICs (Monitor) M52743BSP 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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... SG4 : MEASURE POINT Condenser : 0.01 F (unless otherwise specified.) MAIN CONTRAST CONTROL CHARACTERISTICS 100 125 150 00H MAIN CONTRAST CONTROL DATA MITSUBISHI ICs (Monitor) M52743BSP D/A D/A SG5 SDA SCL OUT3 OUT4 C SW19 dac dac gnd ...
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... INPUT SYNC AMPLITUDE ( BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER BRIGHTNESS CONTROL CHARACTERISTICS FFH 0 BRIGHTNESS CONTROL VOLTAGE (V OSD ADJUST CONTROL CHARACTERISTICS OSD ADJUST CONTROL DATA DC 0.5 ) P-P MITSUBISHI ICs (Monitor) M52743BSP ...
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... M52743BSP 0.01 100k 1 47 0.01 0.01 3 TTL INPUT S G INPUT ON (G) INPUT (B) MITSUBISHI ICs (Monitor) M52743BSP Cut Off Adj 5V TTL BLK IN (for retrace) SDA SCL Clamp pulse 0.01 0. 0.01 NC ABL Sync ...
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... 0.8mA 2k 2.5 2 0.3mA 0.5mA GND 500 1k 3.2V 7 MITSUBISHI ICs (Monitor) M52743BSP Description of function Input pulses 3 1.7V maximum 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 3 ...
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... MITSUBISHI ICs (Monitor) M52743BSP Description of function 2.5V ABL (Automatic Beam 20k Limitter) input pin. Recommended voltage range 5V. 30k When ABL function is not used, set to 5V. 15 Sync signal output pin, Being of open collector output type. ...
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... Brightness BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Peripheral circuit of pins 50k 27 35k 35k MITSUBISHI ICs (Monitor) M52743BSP Description of function D/A output pin. Output voltage range 5V, Max output 23 current is 0.4mA. Input pulses R 2 0.5V maximum 2.25V Connected to GND if not used ...
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... Make the nearest distance between output pin and pull down resister. ⋅ Recommended pedestal voltage of IC output signal is 2V. 19 MITSUBISHI ICs (Monitor BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER Power Amp Power Amp OUT R1 R2 TAILING That case recommends use of M52743BSP. M52743BSP Window Shadow signal tailing SCREEN ...