M52742ASP Mitsumi Electronics, Corp., M52742ASP Datasheet
M52742ASP
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M52742ASP Summary of contents
Page 1
... BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR DESCRIPTION M52742ASP is semiconductor integrated circuit for CRT display monitor. It includes OSD blanking, OSD mixing, retrace blanking, wide band amplifer, brightness control, uniformity function. Main/sub contrast and OSD adjust function can be controlled by I bus. ...
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... BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR BLOCK DIAGRAM MITSUBISHI ICs (Monitor) M52742ASP 2 ...
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... FFH 14H 14H 14H SG5 255 MITSUBISHI ICs (Monitor) M52742ASP 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 00H 00H ...
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... Vari 5.0 able 5V a Vari able 5 Vari 5.0 able 5V MITSUBISHI ICs (Monitor) M52742ASP 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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... SG4 Variable 2.0 5.0 SG4 2.0 5.0 SG4 2.0 5.0 SG4 MITSUBISHI ICs (Monitor) M52742ASP 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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... Main contrast control characteristics2 C2 Measuring condition and procedure are the same as described ∆V Main contrast control relative characteristics2 C2 Measuring condition and procedure are the same as described in ∆ MITSUBISHI ICs (Monitor) M52742ASP Limits Unit 04H 05H 06H 07H 08H 09H 0BH INT OSD BLK D/A ...
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... VMSC = VOUT (29)/VOUT (32), VOUT (32)/VOUT (35), VOUT (35)/VOUT (29) 7 MITSUBISHI ICs (Monitor) M52742ASP ABL1 ABL control characteristics1 Measure the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35), and is treated as ABL1. ∆ABL1 ABL control relative characteristics1 Relative characteristics ∆ABL1 is calculated by the equation below: ∆ ...
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... Measure the time needed for the input pulse to fall from 90% to 10% (Tf1) and for the output pulse to fall from 90% to 10% (Tf2) with an active prove. (dB) Pulse characteristics Tf is calculated by the equations below : MITSUBISHI ICs (Monitor) M52742ASP VOUT (29, 32) (dB) VOUT (35) VOUT (29, 32) (dB) ...
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... 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. MITSUBISHI ICs (Monitor) M52742ASP ...
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... VuniA is amplitude output at OUT (29, 32, 35), when SG6 is low voltage. VuniB is amplitude output at OUT (29, 32, 35), when SG6 is high voltage. Pedestal voltage moduration ratio UNI (UNI2) is calculated by the equation below; UNI1 (UNI2)=100 • (VuniB/VuniA-1) (%) OUT SG6 MITSUBISHI ICs (Monitor) M52742ASP VuniB VuniA Pedestal voltage 5V (2 ...
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... A66 A65 8 06H A77 A76 A75 8 07H A87 A86 A85 8 08H A97 A96 A95 8 09H 0BH MITSUBISHI ICs (Monitor) M52742ASP DATA BYTE A P STOP condition A04 A03 A02 A01 A00 A14 A13 A12 A11 A10 A24 A23 A22 A21 A20 A34 ...
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... Set-up time for stop condition SU:STO TIMING DIAGRAM SDA HD:STA V IH SCL LOW S Parameter f t SU:STA t t SU:DAT HD:DAT t HIGH S MITSUBISHI ICs (Monitor) M52742ASP Min. Max. Unit -0.5 1.5 V 3.0 5 100 kHz 4.7 - µs 4.0 - µs 4.7 - µs 4.0 - µs 4.7 - µ µs 250 - ...
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... MITSUBISHI ICs (Monitor) Signals 33µs 0.7V P-P 0.7V P-P (Amplitude is variable.) Sine wave amplitude of 0.7V f=1MHz, 50MHz, 200MHz (variable) 0.7V P-P 0.3V P-P 5V Amplitude is variable. 5V TTL 5µs Amplitude is variable. M52742ASP . P-P all white or all black variable. Sync’s amplitude is variable. TTL 5V TTL ) f=30kHz * ...
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... (11) 0.01µ 0.01µ 3.3µ 1µ SW7 SW9 SW11 SG4 : MEASURE POINT Capacitor : 0.01µF (unless otherwise specified.) * MITSUBISHI ICs (Monitor) M52742ASP D/A D/A SG5 SDA SCL OUT3 OUT4 b SW19 dac dac gnd sda scl c/p osd gnd abl ...
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... Sub contrast : Max 0 0 ABL CONTROL VOLTAGE (V 15 MAIN CONTRAST CONTROL CHARACTERISTICS 100 125 150 00H MAIN CONTRAST CONTROL DATA BRIGHTNESS CONTROL CHARACTERISTICS FFH BRIGHTNESS CONTROL VOLTAGE (V OSD ADJUST CONTROL CHARACTERISTICS OSD ADJUST CONTROL DATA DC MITSUBISHI ICs (Monitor) M52742ASP Sub contrast: Max FFH ...
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... BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR SYNC ON GREEN INPUT MIN. PULSE WIDTH 12 (Video duty=75 Sync separate normal operating range INPUT SYNC AMPLITUDE (V IN UNIFORMITY CHARACTERISTICS 0.5 0 0.5 ) INPUT AMPLITUDE (V P-P MITSUBISHI ICs (Monitor) M52742ASP 1.0 1.5 2.0 2.5 ) P-P 16 ...
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... M52742ASP 0.01µ 1µ 47µ 0.01µ 0.01µ 3.3µ TTL * INPUT S G INPUT ON (G) INPUT (B) MITSUBISHI ICs (Monitor) M52742ASP Cut Off Adj 5V TTL BLK IN (for retrace) SDA SCL Clamp pulse 0.01µ 0.01µ 0.01µ 33µ ABL 47µ ...
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... GND - 7 0.22mA 0.15mA MITSUBISHI ICs (Monitor) M52742ASP Description of function •Input pulses 3 GND to1.7V •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) M52742ASP Description of function 2.5V •ABL (Automatic Beam 20k Limiter) input pin. Recommended voltage range 5V. 30k When ABL function is not used, set to 5V. 15 •Uniformity input pin. Recommended amplitude range 20k P-P 5k • ...
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... Variable 35 OUTPUT ( CC2 Peripheral circuit of pins 50k - 50k - 27 35k MITSUBISHI ICs (Monitor) M52742ASP Description of function •SDA BUS (Serial data line) V =2. •D/A output pin. Output voltage range 5V, Min input current is 0.18mA when output pin is 1V. Max output current is 1.0mA. •Input pulses R 2 GND to 0 ...
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... IC output signal is 2V. Power Amp Power Amp OUT R1 R2 MITSUBISHI ICs (Monitor) M52742ASP Description of function •It is recommended that the IC be used between pedestal voltage 2V and 3V. 30 ...