M52742ASP

M52742ASP MITSUBISHI | Alldatasheet

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Technical content

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R

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 C bus.

FEATURES

Frequency band width: Input P-P (typ.) P-P minimum (positive) P-P minimum (positive) P-P minimum (positive) Output P-P (max.) P-P (max.) Main contrast and sub contrast can be controlled by I C bus. Include internal and external pedestal clamp circuit STRUCTURE Bipolar silicon monolithic IC APPLICATION CRT display monitor RECOMMENDED OPERATING CONDITION 4.5 to 5.5V (V17) 5.0V (V17) MAJOR SPECIFICATION Bus controlled 3ch video pre-amp with OSD mixing function and retrace blanking function PIN CONFIGURATION (TOP VIEW) OSD BLK IN INPUT(R) V CC1 (R) OSD IN(R) GND 1(R) INPUT(G) INPUT(SOG) OSD IN(G) GND 1(G) INPUT(B) OSD IN(B) GND 1(B) ABL IN UNIFORMITY IN SOG SEP OUT V CC2 OUTPUT(R) EXT FEED BACK(R) GND2 OUTPUT(G) EXT FEED BACK(G) MAIN BRIGHTNESS OUTPUT(B) EXT FEED BACK(B) RETRACE BLK IN D/A OUT1 D/A OUT3 D/A OUT4 GND(5V) SDA D/A OUT2 SCL CLAMP PULSE IN Outline 36P4E 325 316 289 2710 2611 2512 15 22 16 21 17 20 18 19 V CC1 (G) V CC1 (B) V CC =5V M52742ASP PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R BLOCK DIAGRAM OUTPUT (R) EXT FEED BACK (R) RETRACE BLK IN RETRACE BLANKING MAIN BRIGHTNESS AMP CLAMP F/B OUTPUT (G) EXT FEED BACK (G) OUTPUT (B) EXT FEED BACK (B) Vcc 5V (DIGITAL) SDA SCL GND(5V) BUS I/F RETRACE BLANKING RETRACE BLANKING DAC CLAMP F/B CLAMP F/B AMP AMP OSD MIX OSD MIX OSD MIX OSD LEVEL 4bit R SUB CONT 8bit G SUB CONT 8bit B SUB CONT 8bit Main CONTRAST 8bit MAIN CONTRAST MAIN CONTRAST MAIN CONTRAST SUB CONTRAST SUB CONT (8bit) SUB CONTRAST SUB CONT (8bit) SUB CONTRAST SUB CONT (8bit) DAC OUTPUT FOR CUT-OFF adj OSD BLK IN GND2 Vcc2=12V UNIFORMITY IN CLAMP PULSE IN Sync On GreenSep CLAMP CLAMP CLAMP OSD IN (R) INPUT (R) Vcc1 (R) 12V Vcc1 (G) 12V GND 1(R) GND 1(G) OSD IN (G) INPUT (G) OSD IN (B) Vcc1 (B) 12V INPUT (B) GND 1(B) CONTRAST (ABL) IN INPUT (SOG) SOG SEP OUT PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R ABSOLUTE MAXIMUM RATINGS (Ta=25 °C)

ELECTRICAL CHARACTERISTICS

=12V, 5V, Ta=25 °C, unless otherwise noted) Symbol Parameter Ratings Unit V CC12 Supply voltage (pins 3,8,12,36) 13.0 P d Power dissipation 2403 mW T opr Ambient temperature -20 to +75 C T stg Storage temperature -40 to +150 C V opr12 Recommended supply 12 12.0 V V opr5 5.0 V Symbol Parameter Test point (s) Input CTL voltage BUS CTL (H) Limits Unit 2,6,11 RGB in OSD BLK 4,9,13 OSD in CP in ReT BLK SOG in UNI in Bri- ght ABL 00H Main cont 01H Sub cont 02H Sub cont 03H Sub cont 04H OSD Adj 05H BLK Adj 06H D/A OUT 07H D/A OUT 08H D/A OUT 09H D/A OUT 0BH INT EXT Min. Typ. Max. I CC1 Circuit current1 I A a a a b SG5 a a a 4.0 5.0 FFH 255 FFH 255 FFH 255 FFH 255 00H 00H FFH 255 FFH 255 FFH 255 FFH 255 00H - 126 146 mA I CC2 Circuit current2 I B a a a b SG5 a a a 4.0 5.0 mA Vomax Output dynamic range OUT b SG2 a a b SG5 a a a Vari able 5.0 6.0 8.0 V P-P Vimax Maximum input IN OUT b SG2 Variable a a b SG5 a a a 2.0 5.0 64H 100 1.6 V P-P Gv Maximum gain OUT b SG1 a a b SG5 a a a 2.0 5.0 FFH 255 16.5 17.7 19.4 dB ∆Gv Relative max- imum gain - - 0.8 1.0 1.2 V Main contrast control characteristics1 OUT b SG1 a a b SG5 a a a 2.0 5.0 C8H 200 15.5 17.0 18.5 dB Main contrast control relative characteristics1 - - 0.8 1.0 1.2 V Main contrast control characteristics2 OUT b SG1 a a b SG5 a a a 2.0 5.0 64H 100 9.5 11.0 12.5 dB Main contrast control relative characteristics2 - - 0.8 1.0 1.2 V Main contrast control characteristics3 OUT b SG1 a a b SG5 a a a 2.0 5.0 14H 0.2 0.4 0.6 Main contrast control relative characteristics3 - - 0.8 1.0 1.2 V SC1 Sub contrast control characteristics1 OUT b SG1 a a b SG5 a a a 2.0 5.0 FFH 255 C8H 200 C8H 200 C8H 200 16.0 17.5 19.0 dB SC1 Sub contrast control relative characteristics1 - - 0.8 1.0 1.2 V SC2 S ub contrast control characteristics2 OUT b SG1 a a b SG5 a a a 2.0 5.0 FFH 255 64H 100 64H 100 64H 100 12.0 13.5 15.0 dB SC2 Sub contrast control relative characteristics2 - - 0.8 1.0 1.2 V SC3 Sub contrast control characteristics3 OUT b SG1 a a b SG5 a a a 2.0 5.0 FFH 255 14H 14H 14H 1.5 1.9 2.2 SC3 Sub contrast control relative characteristics3 - - 0.8 1.0 1.2 PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. V CC5 Supply voltage (pin 17) 6.0 V V Recommended supply 5 V P-P V P-P

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter Test point (s) Input CTL voltage BUS CTL (H) Limits Unit 2,6,11 RGB in OSD BLK 4,9,13 OSD in CP in ReT BLK SOG in UNI in Bri- ght ABL 00H Main cont 01H Sub cont 02H Sub cont 03H Sub cont 04H OSD Adj 05H BLK Adj 06H D/A OUT 07H D/A OUT 08H D/A OUT 09H D/A OUT 0BH INT EXT Min. Typ. Max. VMSC Main/sub contrast control characteristics OUT b SG1 a a b SG5 a a a 2.0 5.0 C8H 200 C8H 200 C8H 200 C8H 200 3.5 4.1 4.7 V P-P ∆VMSC Main/sub contrast control relative characteristics - - 0.8 1.0 1.2 ABL1 ABL control characteristics1 OUT b SG1 a a b SG5 a a a 2.0 4.0 FFH 255 FFH 255 FFH 255 FFH 255 4.7 5.0 5.8 V P-P ∆ABL1 ABL control relative characteristics1 - - 0.8 1.0 1.2 ABL2 ABL control characteristics2 OUT b SG1 a a b SG5 a a a 2.0 2.0 2.6 3.1 3.6 V P-P ∆ABL2 ABL control relative characteristics2 - - 0.8 1.0 1.2 V Brightness control characteristics1 OUT a a a b SG5 a a a 4.0 5.0 3.3 3.7 4.1 V Brightness control relative characteristics1 - - -0.3 0.3 V V Brightness control characteristics2 OUT a a a b SG5 a a a 2.0 5.0 1.5 1.8 2.1 V Brightness control relative characteristics2 - - -0.3 0.3 V V Brightness control characteristics3 OUT a a a b SG5 a a a 1.0 5.0 0.7 0.9 1.1 V Brightness control relative characteristics3 - - -0.3 0.3 V F Frequency characteristics1 (f=50MHz) OUT b SG3 a a a a a a Vari able 5.0 Va ria ble -2.0 0 2.5 dB Frequency relative characteristics1 (f=50MHz) - - -1.0 1.0 dB F C1 ’ Frequency characteristics1 (f=200MHz) OUT b SG3 a a a a a a Vari able 5.0 Va ria ble FFH 255 FFH 255 FFH 255 00H 00H FFH 255 FFH 255 FFH 255 FFH 255 00H -3.0 0 3.0 dB C1 ’ Frequency relative characteristics1 (f=200MHz) - - -1.0 1.0 dB F Frequency characteristics2 (f=200MHz) OUT b SG3 a a a a a a Vari able 5.0 -3.0 3.0 5.0 dB Frequency relative characteristics2 (f=200MHz) - - -1.0 1.0 dB C.T.1 Crosstalk 1 (f=50MHz) OUT(29) OUT(32) 2bSG3 11a a a a a a a Vari able 5.0 FFH 255 - -25 -20 dB C.T.1’ Crosstalk 1 (f=200MHz) OUT(29) OUT(32) 2bSG3 11a a a a a a a Vari able 5.0 - -15 -10 dB C.T.2 Crosstalk 2 (f=50MHz) OUT(29) OUT(35) 6bSG3 11a a a a a a a Vari able 5.0 - -25 -20 dB C.T.2’ Crosstalk 2 (f=200MHz) OUT(29) OUT(35) 6bSG3 11a a a a a a a Vari able 5.0 - -15 -10 dB C.T.3 Crosstalk 3 (f=50MHz) OUT(32) OUT(35) 11bSG3 a a a a a a Vari able 5.0 -25 -20 dB C.T.3’ Crosstalk 3 (f=200MHz) OUT(32) OUT(35) 11bSG3 a a a a a a Vari able 5.0 - -15 -10 dB PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter Test point (s) Input CTL voltage BUS CTL (H) Limits Unit 2,6,11 RGB in OSD BLK 4,9,13 OSD in CP in ReT BLK SOG in UNI in Bri- ght ABL 00H Main cont 01H Sub cont 02H Sub cont 03H Sub cont 04H OSD Adj 05H BLK Adj 06H D/A OUT 07H D/A OUT 08H D/A OUT 09H D/A OUT 0BH INT EXT Min. Typ. Max. Tr Pulse characteristics1 (4V P-P OUT b SG1 a a b SG5 a a a Vari able 5.0 Va ria ble - 1.7 ns Tf Pulse characteristics2 (4V P-P OUT b SG1 a a b SG5 a a a Vari able 5.0 Va ria ble - 2.2 ns VthCP Clamp pulse threshold voltage b SG5 Variable FFH 255 1.0 1.5 2.0 V WCP Clamp pulse minimum width b SG5 Variable 0.2 0.5 µs OUT b SG1 a a a a a 2.0 5.0 OUT b SG1 a a a a a 2.0 5.0 OTr OSD pulse characteristics1 OUT a a b SG6 b SG5 a a a 2.0 5.0 3.0 6.0 ns OTf OSD pulse characteristics2 OUT a a b SG6 b SG5 a a a 2.0 5.0 08H - 3.0 6.0 ns Oaj1 OSD adjust control characteristics1 OUT a b SG6 b SG6 b SG5 a a a 2.0 5.0 0FH 4.6 5.4 6.2 V P-P ∆Oaj1 OSD adjust control relative characteristics1 - - 0.8 1.0 1.2 Oaj2 OSD adjust control characteristics2 OUT a b SG6 b SG6 b SG5 a a a 2.0 5.0 08H 2.8 3.3 3.8 V P-P ∆Oaj2 OSD adjust control relative characteristics2 - - 0.8 1.0 1.2 OBLK OSD adjust control characteristics3 OUT a b SG6 a b SG5 a a a 2.0 5.0 00H 0 -0.1 -0.3 V P-P ∆OBLK OSD adjust control relative characteristics3 - - -0.2 0.2 V P-P VthOSD OSD input threshold voltage OUT a b SG6 b SG6 Variable b SG5 a a a 2.0 5.0 08H 2.2 2.7 3.2 V VthBLK OSD BLK input threshold voltage OUT b SG1 b SG6 Variable a b SG5 a a a 2.0 5.0 00H 2.2 2.7 3.2 V HBLK1 Retrace BLK characteristics1 OUT a a a b SG5 b SG7 a a 2.0 5.0 0FH 1.7 2.0 2.3 V HBLK2 Retrace BLK characteristics2 OUT a a a b SG5 b SG7 a a 2.0 5.0 06H 0.7 1.0 1.3 V HBLK3 Retrace BLK characteristics3 OUT a a a b SG5 b SG7 a a 2.0 5.0 00H 0.1 0.4 0.7 V VthRET Retrace BLK input threshold voltage OUT a a a b SG5 b SG7 Variable a a 2.0 5.0 08H 1.0 1.5 2.0 V SS-NV SOG input maximum noise voltage SonG IN Sync OUT a a a a a b SG4 Variable a 2.0 5.0 0.02 V P-P SS-SV SOG minimum input voltage SonG IN Sync OUT a a a a a b SG4 Variable a 2.0 5.0 0.2 0.3 V P-P VSH Sync output hi level Sync OUT a a a a a b SG4 a 2.0 5.0 4.5 4.9 5.0 V VSL Sync output lo level Sync OUT a a a a a b SG4 a 2.0 5.0 0.3 0.6 V TDS-F Sync output delay time1 Sync OUT a a a a a b SG4 a 2.0 5.0 ns PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. 08H Tr Relative pulse characteristics1 OUT b SG1 a a b SG5 a a a Vari able

5.0 Vari

-0.8 0 0.8 ns Relative pulse characteristics2 OUT b SG1 a a b SG5 a a a Vari able -0.8 0 0.8 ns Tr

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter Test point (s) Input CTL voltage BUS CTL (H) Limits Unit 2,6,11 RGB in OSD BLK 4,9,13 OSD in CP in ReT BLK SOG in UNI in Bri- ght ABL 00H Main cont 01H Sub cont 02H Sub cont 03H Sub cont 04H OSD Adj 05H BLK Adj 06H D/A OUT 07H D/A OUT 08H D/A OUT 09H D/A OUT 0BH INT EXT Min. Typ. Max. TDS-R Sync output delay time2 Sync OUT a a a a a b SG4 a 2.0 5.0 ns VOH D/A H output voltage D/A OUT a a a a a a a 2.0 5.0 FFH 255 FFH 255 FFH 255 FFH 255 00H 00H FFH 255 FFH 255 FFH 255 FFH 255 00H 4.5 5.0 5.5 VDC VOL D/A L output voltage D/A OUT a a a a a a a 2.0 5.0 00H 00H 00H 00H 0 0.5 1.0 VDC current range D/A OUT a a a a a a a 2.0 5.0 0.18 - 1.0 mA DNL 1A+ D/A nonlinearity D/A OUT a a a a a a a 2.0 5.0 Vari able Vari able Vari able Vari able -1.0 - 1.0 LSB OUT b SG1 a a b SG5 a a 5.0 FFH 255 FFH 255 FFH 255 FFH 255 OUT b SG1 a a b SG5 a a 5.0 UNI1 Uniformity characteristics1 b SG6 2.5V 2.0 C8H 200 C8H 200 C8H 200 C8H 200 7 10 UNI2 Uniformity characteristics2 b SG6 1.25V 2.0 3.5 6.5 ELECTRICAL CHARACTERISTICS TEST METHOD I CC1 Circuit current1 Measuring conditions are as listed in supplementary Table. Measured with a current meter at test point IA. I CC2 Circuit current2 Measuring conditions are as listed in supplementary Table. Measured with a current meter at test point IB. Vomax Output dynamic range Decrease V30 gradually, and measure the voltage when the waveform output is distorted. The voltage is called VOL. 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 Vimax Maximum input Increase the input signal (SG2) amplitude gradually, starting from 700mV P-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 G V is calculated by the equation below: ∆Gv Relative maximum gain Relative maximum gain D G V is calculated by the equation bellow: V VOUT (29)/VOUT (32), VOUT (32)/VOUT (35), VOUT (35)/VOUT (29) V Main contrast control characteristics1 Measuring the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Main contrast control characterics V is calculated by the equation bellow: Main contrast control relative characteristics1 Relative characteristics is calculated by the equation bellow: =VOUT (29)/VOUT (32), VOUT (32)/VOUT (35), VOUT (35)/VOUT (29) V Main contrast control characteristics2 Measuring condition and procedure are the same as described in V Main contrast control relative characteristics2 Measuring condition and procedure are the same as described in 5.0 Waveform output (V) VOH VOL 0.0 G V =20Log VOUT 0.7 (dB) V =20Log VOUT 0.7 (dB) PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. 1A- D/A output current range D/A input D/A OUT a a a a a a a 2.0 5.0 mA 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R V C3 Main contrast control characteristics3 Measuring the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Main contrast control relative characteristics3 Measuring condition and procedure are the same as described in V SC1 Sub contrast control characteristics1 Measure the amplitude output at OUT (29, 32, 35). The measured value is called VOUT (29, 32, 35). Sub contrast control characteristics V SC1 is calculated by the equation below: SC1 Sub contrast control relative characteristics1 Relative characteristics SC1 is calculated by the equation below: SC1 =VOUT (29)/VOUT (32), VOUT (32)/VOUT (35), VOUT (35)/VOUT (29). V SC2 Sub contrast control characteristics2 Measuring condition and procedure are the same as described in V SC1 SC2 Sub contrast control relative characteristics2 Measuring condition and procedure are the same as described in SC1 V SC3 Sub contrast control characteristics3 Measuring the amplitude output at OUT (29, 32, 35). The measured value is called VSC3 SC

3 Sub contrast control relative characteristics3

Measuring condition and procedure are the same as described in SC1 VMSC Main/sub contrast control characteristics Measure the amplitude output at OUT (29, 32, 35). The measured value is called VMSC ∆VMSC Main/sub contrast control relative characteristics Relative characteristics VMSC is calculated by the equation below: VMSC = VOUT (29)/VOUT (32), VOUT (32)/VOUT (35), VOUT (35)/VOUT (29) 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: ∆ABL1= VOUT (29)/VOUT (32), VOUT (32)/VOUT (35), VOUT (35)/VOUT (29) 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. V 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 treated as V Brightness control relative characteristics1 Relative characteristics is calculated by the difference in the output between the channels. VOUT (29) -VOUT (32), VOUT (32) -VOUT (35), VOUT (35) -VOUT (29) V Brightness control characteristics2 Measuring condition and procedure are the same as described in V Brightness control relative characteristics2 Measuring condition and procedure are the same as described in V Brightness control characteristics3 Measuring condition and procedure are the same as described in V Brightness control relative characteristics3 Measuring condition and procedure are the same as described in V SC1 =20Log VOUT 0.7 (dB) PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R F C1 Frequency characteristics1 (f=50MHz) First, SG3 to 1MHz is as input signal. Input a resister that is about 2kΩ to offer the voltage at input pins (2, 6, 11) in order that the bot- tom of input signal is 2.5V. Control the main contrast in order that the amplitude of sine wave output is 4.0V P-P . Control the brightness in order that the bottom of sine wave output is 2.0V P-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 characteristics F (29, 32, 35) is calculated by the equation below: Frequency relative characteristics1 (f=50MHz) Relative characteristics is calculated by the difference in the output between the channels. F ' Frequency characteristics1 (f=200MHz) Measuring condition and procedure are the same as described in table, expect SG3 to 200MHz. ' Frequency relative characteristics1 (f=200MHz) Relative characteristics ' is calculated by the difference in the output between the channels. F Frequency characteristics2 (f=200MHz) SG3 to 1MHz is as input signal. Control the main contrast in order that the amplitude of sine wave output is 1.0V P-P . By the same way, measure the output amplitude when SG3 to 200MHz is as input signal. The measured value is called VOUT (29, 32, 35). Frequency characteristics F (29, 32, 35) is calculated by the equation below: Frequency relative characteristics2 (f=200MHz) Relative characteristics F 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' Crosstalk1 (f=200MHz) Measuring condition and procedure are the same as described in C.T.1, expect SG3 to 200MHz. 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' Crosstalk2 (f=200MHz) Measuring condition and procedure are the same as described in C.T.2, expect SG3 to 200MHz. 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.3 is calculated by the equation below: C.T.3' Crosstalk3 (f=200MHz) Measuring condition and procedure are the same as described in C.T.3, expect SG3 to 200MHz. Tr Pulse characteristics1 (4V P-P Control the main contrast (00H) in order that the amplitude of output signal is 4.0V P-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 % (Tr1) and for the output pulse to rise from 10% to 90% (Tr2) with an active probe. Pulse characteristics Tr is calculated by the equations below : ∆Tr Relative pulse characteristics1 Relative characteristics ∆Tr is calculated by the difference in the output between the channels. Tf Pulse characteristics2 (4V P-P 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. Pulse characteristics Tf is calculated by the equations below : F C1 =20log (dB) VOUT V P-P Output amplitude when inputted SG3 (1MHz):4V P-P F C2 =20log (dB) VOUT V P-P Output amplitude when inputted SG3 (1MHz):4V P-P C.T.1=20 log VOUT (29, 32) (dB) VOUT (35) C.T.2=20 log VOUT (29, 32) (dB) VOUT (35) C.T.3=20 log VOUT (29, 32) (dB) VOUT (35) Tr = [(Tr2) 2 -(Tr1) 2 ] Tf = [(Tf2) 2 -(Tf1) 2 ] PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R ∆Tf Relative pulse characteristics2 Relative characteristics ∆Tf is calculated by the difference in the output between the channels. VthCP Clamp pulse threshold voltage Turn down the SG5 input level gradually from 5.0V P-P , monitoring the waveform output. Measure the top level of input SG5 at when the output pedestal level is start to going down or unstable. WCP Clamp pulse minimum width Decrease the SG5 pulse width gradually from 0.5 µs, monitoring the output. Measure the input SG5 pulse width (at the point of 1.5V) at when output pedestal level is start to going down or unstable. 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. OBLK OSD adjust control characteristics3 Measuring condition and procedure are the same as described in Oaj1. ∆OBLK OSD adjust control relative characteristics3 Measuring condition and procedure are the same as described in ∆Oaj1. 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 Con firm 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 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. 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. VthRET Retrace BLK input threshold voltage Con firm 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. 100% 90% 10% Tf1 or Tf2 Tr1 or Tr2 PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R SS-NV SOG input maximum noise voltage The sync's amplitude of SG4 be changed all white into all black, increase from 0V P-P to 0.02V P-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 0.3V P-P to 0.2V P-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. 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. VOH D/A H output voltage Measure the DC voltage at D/AOUT. The measured value is treated as VOH. VOL D/A L output voltage Measure the DC voltage at D/AOUT. The measured value is treated as VOL. IAO D/A output current range Electric current flow from the output of D/AOUT must be less than 1.0mA --- IA+. Electric current flow into the output of D/AOUT must be more than 0.18mA --- IA-. DNL D/A nonlinearity The difference of differential non-linearity of D/AOUT must be less than 1.0LSB. UNI1 Uniformity characteristics1 UNI2 Uniformity characteristics2 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. moduration ratio UNI (UNI2) is calculated by the equation below; UNI1 (UNI2)=100

• (VuniB/VuniA-1) (%) SG4 SyncOUT Pedestal voltage TDS-RTDS-F (50%)sync (50%) OUT SG6 5V P-P (2.5V P-P VuniA VuniB Pedestal voltage PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. A IA- D/A OUT 1V DC

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R I 2 C-BUS PROTOCOL (1) Slave address (2) Slave receiver format (3) Sub address byte and data byte format Notes) pedestal level INT/EXT SW INT 1 EXT Function bit sub add. Data byte (top:byte format under:start condition) Main contrast 00H A07 A06 A05 A04 A03 A02 A01 A00 Sub contrast R 01H A17 A16 A15 A14 A13 A12 A11 A10 Sub contrast G 02H A27 A26 A25 A24 A23 A22 A21 A20 Sub contrast B 03H A37 A36 A35 A34 A33 A32 A31 A30 OSD level 04H - - A43 A42 A41 A40 RE-BLK adjust 05H - - A53 A52 A51 A50 D/A OUT1 06H A67 A66 A65 A64 A63 A62 A61 A60 D/A OUT2 07H A77 A76 A75 A74 A73 A72 A71 A70 D/A OUT3 08H A87 A86 A85 A84 A83 A82 A81 A80 D/A OUT4 09H A97 A96 A95 A94 A93 A92 A91 A90 Pedestal clamp INT/EXT SW 0BH - - AB0 D7 D6 R/W =88H S A P START condition AA SLAVE ADDRESS SUB ADDRESS DATA BYTE acknowledge STOP condition PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R TIMING REQUIREMENT OF I 2 C TIMING DIAGRAM Symbol Parameter Min. Max. Unit V IL Input voltage LOW -0.5 1.5 V V IH Input voltage HIGH 3.0 5.5 V f SCL SCL clock frequency 100 kHz t BUF Time the bus must be free before a new transmission can start 4.7 µs t HD:STA Hold time start condition. After this period the first clock pulse is generated 4.0 µs t LOW The LOW period of the clock 4.7 µs t HIGH The HIGH period of the clock 4.0 µs t SU:STA Set up time for start condition (Only relevant for a repeated start condition) 4.7 µs t HD:DAT Hold time for I

2 C devices 0 -

µs t SU:DAT Set-up time DATA 250 ns t r Rise time of both SDA and SCL 1000 ns t f Fall time of both SDA and SCL 300 ns t SU:STO Set-up time for stop condition 4.0 µs SDA SCL V IH S S P S t BUF t SU:STO t SU:STA t HD:DAT t SU:DAT t HD:STA t LOW t HIGH t r , t f V IL V IH V IL PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R INPUT SIGNAL ) f=30kHz SG No. Signals SG1 Video signal (all white) Pulse with amplitude of 0.7V P-P (f=30kHz). Video width of 25µ s. (75%) SG2 Video signal (step wave) SG3 Sine wave (for freq. char.) SG4 Video signal (all white, all black) Video width of 25µ s. (75%) SG5 Clamp pulse Pulse width and amplitude are variable. SG6 OSD pulse SG7 BLK pulse 8µ s 33µ s 0.7V P-P 0.7V P-P (Amplitude is variable.) Sine wave amplitude of 0.7V P-P f=1MHz, 50MHz, 200MHz (variable) 0.7V P-P 0.3V P-P 3µ s Sync’s amplitude is variable. all white or all black variable. 0.5µ s TTL 5µ s 5V TTL Amplitude is variable. 5µ s 5V TTL Amplitude is variable. PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R TEST CIRCUIT SW1 ba SG1 SW4 ba SW7 ba SW9 ba ba SW16 OUT (35) 470 OUT (32) D/A OUT1 D/A OUT2 D/A OUT3 1 3 Units Resistance : Ω Capacitance : F R G SonG B 12V UNI 34 3233 31 30 26 2324 2229 28 V15 3536 470 SW13 M52742ASP 2021 19 V30 SG4 ba b a SG5 SW19 blk osd 12V osd 12V gnd gnd gnd abl osd sync out f/b brt dac dac sda 12V gnd f/b f/b out out blk dac gnd dac c/p scl SCLSDA C/P IN D/A OUT4 ba SG7 SW27 OUT (29) 0 to 5V 470 100 100µ H 0 to 5V SG6 47µ SYNC OUT A I B 0.01µ3.3µ SW11 ba IN (11) S ON G IN 0.01µ3.3µ SW6 ba IN (6) 3.3µ SW2 a IN (2) b 0.01µ SG2 SG3 12V A I A 47µ SG6 : MEASURE POINT Capacitor : 0.01µ F (unless otherwise specified.) PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R TYPICAL CHARACTERISTICS FFH 00H Sub contrast: Max MAIN CONTRAST CONTROL DATA MAIN CONTRAST CONTROL CHARACTERISTICS FFH 00H Main contrast: Max SUB CONTRAST CONTROL DATA SUB CONTRAST CONTROL CHARACTERISTICS BRIGHTNESS CONTROL VOLTAGE (V DC BRIGHTNESS CONTROL CHARACTERISTICS ABL CONTROL VOLTAGE (V DC ABL CHARACTERISTICS Main contrast: Max Sub contrast : Max FH OSD ADJUST CONTROL DATA OSD ADJUST CONTROL CHARACTERISTICS 2800 2000 1600 800 400 -20 100 125 150 2400 1200 2403 1442 AMBIENT TEMPERATURE Ta ( °C) THERMAL DERATING PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R 0.5 INPUT SYNC AMPLITUDE (V P-P SYNC ON GREEN INPUT MIN. PULSE WIDTH Sync separate (Video duty=75%) normal operating range 2.5 INPUT AMPLITUDE (V P-P UNIFORMITY CHARACTERISTICS 2.01.5 1.0 0.5 1 m IN PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R APPLICATION EXAMPLE 0.01 µ 47 µ 0.01 µ 3.3 µ 110V CRT 12V INPUT (R) S ON G INPUT 2932 34 30 Units Resistance : Ω Capacitance : F 35 31 3336 1885 3 7 2 6 M52742ASP 0 to 5V 0.01 µ 470 BLK IN (for retrace) 0.01 µ 0.01 µ 470 470 0.01 µ 0.01 µ 0.01 µ SDA SCL Clamp pulse IN 5V TTL Cut Off Adj DAC OUTx4 100µ H 100 47 µ 0.01 µ 3.3 µ 0.01 µ 47µ ABL IN Sync 7575 0.01 µ 3.3 µ 75 5V TTL 5V TTL 5V TTL 5V TTL 0.01 µ µ INPUT (G) INPUT (B)

• FEED BACK IS INTERNAL FEED BACK Uniformity OSD IN (B) OSD IN (G) OSD IN (R) BLK IN Sep OUT IN (for OSD) 1 µ Circuit example of pin6 and pin7 same signal input PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. 0 to 5V 33µ 2.2µ

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R DESCRIPTION OF PIN Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function OSD BLK IN

• Input pulses
• Connected to GND if not used. INPUT (R) INPUT (G) INPUT (B) 2.5
• Clamped to about 2.5V due to clamp pulses from pin 19. Input at low impedance. V CC1 (R) V CC1 (G) V CC1 (B) 12 -
• Apply equivalent voltage to 3 channels. OSD IN (R) OSD IN (G) OSD IN (B)
• Input pulses
• Connected to GND if not used. GND 1 (R) GND 1 (G) GND 1 (B) GND (5V) GND 2 GND - INPUT (S on G) When open ≈2.5V
• 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. 2.7V R G 1 B GND to1.7V 3.7 to 5V 2.5V 0.3mA CP 2k2k 2.7V 0.5mA GND to 1.7V 3.7 to 5V PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. 0.37mA 3.33V 0.22mA 0.15mA 0.22mA 500 0.37mA

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function ABL IN When open 2.5V

• ABL (Automatic Beam Limiter) input pin. Recommended voltage range is 0 to 5V. When ABL function is not used, set to 5V. Uniformity IN 5.75
• Uniformity input pin. Recommended amplitude range is 0 to P-P V CC (5V) S on G Sep OUT
• Sync signal output pin, Being of open collector output type. Clamp Pulse IN
• Input pulses
• Input at low impedance. SCL
• SCL of I C BUS (Serial clock line) V TH =2.3V 1.2k 0.5mA 1.2k 20k 30k 2.5V 7.25V 200 20k 0.15mA 2.2V 41k GND to 0.5V 2.5 to 5V 50k PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function SDA

• SDA of I C BUS (Serial data line) V TH =2.3V D/A OUT -
• D/A output pin. Output voltage range is 0 to 5V, Min input current is 0.18mA when D / A output pin is 1V. Max output current is 1.0mA. Retrace BLK IN
• Input pulses
• Connected to GND if not used. EXT Feed Back (B) EXT Feed Back (G) EXT Feed Back (R) Variable OUTPUT (B) OUTPUT (G) OUTPUT (R) Variable
• A resistor is needed on the GND side. Set discretionally to maximum 15mA, depending on the required driving capacity. V CC2
• Used to supply power to output emitter follower only. 50k 2.25V R G 50k B GND to 0.5V 2.5 to 5V 35k PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change.

MITSUBISHI ICs (Monitor) M52742ASP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITO R DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function Main Brightness

• It is recommended that the IC be used between pedestal voltage 2V and 3V. 35k APPLICATION METHOD FOR M52742SP CLAMP PULSE INPUT Clamp pulse width is recommended above 15kHz, 1.0µ sec above 30kHz, 0.5µ sec above 64kHz, 0.3µ sec. 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. 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. NOTICE OF APPLICATION
• Make the nearest distance between output pin and pull down resistor.
• Recommended pedestal voltage of IC output signal is 2V. Power Amp OUT Pre Amp INPUT R MAIN BRIGHTNESS DC:1 to 5V R OUT PUT Black level 1 to 5V R Feed back Black level 1 to 5V Power Amp EXT-FEED BACK APPLICATION CIRCUIT PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. M52742ASP