MITSUBISHI ICs (Monitor) INARY M I L E PR n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some M52745SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR DESCRIPTION M52745SP is semiconductor integrated circuit for CRT display PIN CONFIGURATION (TOP VIEW) monitor. It includes OSD blanking, OSD mixing, retrace blanking, wide band 1 32 VCC 12V(R) Main/sub contrast and OSD adjust function can be controlled by I 2C OSD IN(R) 2 31 OUTPUT(R) bus. OSD IN(B) 3 30 EXT FEED BACK(R) OSD IN(G) 4 29 VCC 12V(B) OSD BLK IN 5 28 OUTPUT(B) INPUT(R) 6 27 EXT FEED BACK(B) VCC 12V 7 26 GND NC 8 INPUT(B) 9 FEATURES • • • Frequency band width: RGB.............................200MHz (at -3dB) OSD..............................................80MHz Input :RGB.............................................................0.7V P-P (typ.) OSD..........................................3VP-P minimum (positive) BLK (for OSD)..........................3VP-P minimum (positive) Retrace BLK.............................3VP-P minimum (positive) Output :RGB..........................................................5.5V P-P (max.) OSD..............................................................5V P-P (max.) Main contrast and sub contrast can be controlled by I 2C bus. Include internal and external pedestal clamp circuit STRUCTURE Bipolar silicon monolithic IC GND 10 M52745SP BRIGHTNESS amplifer, brightness control, uniformity function. 25 VCC 12V(G) 24 OUTPUT(G) 23 EXT FEED BACK(G) INPUT(G) 11 22 RETRACE BLK IN VCC 12V 12 21 SDA INPUT(SOG) 13 20 SCL SOG SEP OUT 14 19 GND GND 15 CLAMP PULSE IN 16 18 ABL IN 17 VCC 5V APPLICATION CRT display monitor Outline 32P4B RECOMMENDED OPERATING CONDITION Supply voltage range......................11.5 to 12.5V (V7, V12, V25, V29,V32) 4.5 to 5.5V (V17) Rated supply voltage..................................12.0V (V7, V12, V25, V29,V32) 5.0V (V17) MAJOR SPECIFICATION Bus controlled 3ch video pre-amp with OSD mixing function and retrace blanking function 1 6 3 9 INPUT (R) OSD IN (B) INPUT (B) 15 GND 10 16 CLAMP PULSE IN SUB CONTRAST SUB CONTRAST SUB CONTRAST 18 ABL IN 5 G SUB CONT 8bit B SUB CONT 8bit R SUB CONT 8bit OSD LEVEL 4bit OSD MIX OSD MIX OSD MIX OSD BLK IN Main CONTRAST 8bit MAIN CONTRAST MAIN CONTRAST MAIN CONTRAST VCC 5V 17 DAC CLAMP F/B AMP CLAMP F/B AMP CLAMP F/B AMP 19 GND 26 GND BUS I/F RETRACE BLANKING RETRACE BLANKING RETRACE BLANKING 20 SCL 21 SDA 23 EXT FEED BACK (G) 24 OUTPUT (G) 25 VCC 12V(G) 27 EXT FEED BACK (B) 28 OUTPUT (B) 29 VCC 12V(B) 30 FEED BACK (R) 31 OUTPUT (R) n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some GND Sync On GreenSep CLAMP CLAMP CLAMP 7 32 VCC 12V(R) 22 1 12 PRE SOG SEP OUT 14 INPUT (SOG) 13 INPUT (G) 11 OSD IN (G) 4 2 OSD IN (R) RETRACE BLK IN BRIGHTNESS VCC 12V VCC 12V RY LIMINA MITSUBISHI ICs (Monitor) M52745SP BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR BLOCK DIAGRAM 2 MITSUBISHI ICs (Monitor) INARY M I L E PR M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR ABSOLUTE MAXIMUM RATINGS (Ta=25°C) Symbol VCC Pd Topr Tstg Vopr Vopr’ Parameter Supply voltage Power dissipation Ambient temperature Storage temperature Recommended supply Voltage range Ratings 13.0 2358 -20 to +85 -40 to +150 12.0 10.5 to 12.5 Unit V mW °C °C V V ELECTRICAL CHARACTERISTICS (VCC=12V, 5V, Ta=25°C, unless otherwise noted) Symbol Parameter Test point 6,9,11 (s) RGB in CTL voltage Input 2,3,4 5 16 22 13 OSD OSD CP in ReT SOG in BLK BLK in ICC1 Circuit current1 IA a a a ICC2 Circuit current2 IB a a a Vomax Output dynamic range a a Vimax Maximum input b SG2 b IN OUT SG2 a a Gv Maximum gain OUT b SG1 a ∆Gv Relative maximum gain - - VC1 Main contrast control characteristics1 OUT ∆VC1 Main contrast control relative characteristics1 VC2 b SG5 b SG5 b SG5 BUS CTL (H) 18 1 Bri- ABL ght 00H 01H 02H 03H 04H 05H FFH FFH FFH FFH 00H 255 255 255 255 0 Main Sub Sub Sub OSD INT cont cont cont cont Adj EXT R G B 00H 0 Limits Unit Min. Typ. Max. a a 4.0 5.0 a a 4.0 5.0 - 18 25 mA a a Vari able 5.0 6.0 8.0 - VP-P b SG5 a a 2.0 5.0 64H 100 1.6 - - VP-P a b SG5 a a 2.0 5.0 FFH 255 - - - - - b SG1 a a b SG5 a a - - - - - - - Main contrast control characteristics2 OUT b SG1 a a b SG5 a a ∆VC2 Main contrast control relative characteristics2 - - - - - - - VC3 Main contrast control characteristics3 OUT b SG1 a a b SG5 a a ∆VC3 Main contrast control relative characteristics3 - - - - - - - VSC1 Sub contrast control characteristics1 OUT b SG1 a a b SG5 a a ∆VSC1 Sub contrast control relative characteristics1 - - - - - - - OUT b SG1 a a b SG5 a a OUT Variable Sub contrast VSC2 control characteristics2 ∆VSC2 Sub contrast control relative characteristics2 - - - - - - - VSC3 Sub contrast control characteristics3 OUT b SG1 a a b SG5 a a ∆VSC3 Sub contrast control relative characteristics3 - - - - - - - 3 - - 2.0 5.0 - - 2.0 5.0 - - 2.0 5.0 - - 2.0 5.0 - - 2.0 5.0 - - 2.0 5.0 - - - 110 130 17.1 17.7 19.4 - 0.8 C8H 200 1.0 1.2 15.0 16.5 18.0 - 0.8 64H 100 1.0 1.2 9.0 10.5 12.0 mA dB dB dB - 0.8 1.0 1.2 - 14H 20 0.1 0.3 0.5 VP-P - 0.8 1.0 1.2 - FFH C8H C8H C8H 255 200 200 200 - - FFH 64H 255 100 - - FFH 14H 255 20 - - - - 64H 100 64H 100 - - 14H 20 14H 20 - - 15.5 16.5 18.0 0.8 1.0 1.2 9.5 11.0 12.5 dB dB 0.8 1.0 1.2 - 0 0.2 0.5 VP-P 0.8 1.0 1.2 - MITSUBISHI ICs (Monitor) ARY N I M I L E PR M52742SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter Test point 6,9,11 (s) RGB in CTL voltage Input BUS CTL (H) 2,3,4 5 16 22 13 OSD OSD CP in ReT SOG in BLK BLK in 18 1 Bri- ABL ght 00H 01H 02H 03H 04H 05H 2.0 5.0 C8H C8H C8H C8H 200 200 200 200 VMSC Main/sub contrast control characteristics OUT b SG1 a a b SG5 a a ∆VMSC Main/sub contrast control relative characteristics - - - - - - - ABL1 ABL control characteristics1 OUT b SG1 a a b SG5 a a ∆ABL1 ABL control relative characteristics1 - - - - - - - ABL2 ABL control characteristics2 OUT b SG1 a a b SG5 a a ∆ABL2 ABL control relative characteristics2 - - - - - - - VB1 Brightness control characteristics1 OUT a a a b SG5 a a ∆VB1 Brightness control relative characteristics1 - - - - - - - VB2 Brightness control characteristics2 OUT a a a b SG5 a a ∆VB2 Brightness control relative characteristics2 - - - - - - - VB3 Brightness control characteristics3 OUT a a a b SG5 a a ∆VB3 Brightness control relative characteristics3 - - - - - - - FC1 Frequency characteristics1 (f=50MHz) OUT b SG3 a a a 5V a a ∆FC1 Frequency relative characteristics1 (f=50MHz) - - - - - - - FC1’ Frequency characteristics1 (f=200MHz) OUT b SG3 a a a 5V a a ∆FC1’ Frequency relative characteristics1 (f=200MHz) - - - - - - - FC2 Frequency characteristics2 (f=200MHz) OUT b SG3 a a a 5V a a ∆FC2 Frequency relative characteristics2 (f=200MHz) - - - - - - - C.T.1 Crosstalk 1 (f=50MHz) 2bSG3 OUT(29) 6a OUT(32) 11a a a a a Vari able 5.0 C.T.1’ Crosstalk 1 (f=200MHz) 2bSG3 OUT(29) 6a OUT(32) 11a a a a a C.T.2 Crosstalk 2 (f=50MHz) 2a OUT(29) 6bSG3 OUT(35) 11a a a a C.T.2’ Crosstalk 2 (f=200MHz) 2a OUT(29) 6bSG3 OUT(35) 11a a a C.T.3 Crosstalk 3 (f=50MHz) 2a OUT(32) 6a OUT(35) 11bSG3 a a C.T.3’ Crosstalk 3 (f=200MHz) 2a OUT(32) 6a OUT(35) 11bSG3 a a a 5V a 5V a 5V a 5V a 5V a 5V Main Sub Sub Sub OSD INT cont cont cont cont Adj ENT R G B Limits Unit Min. Typ. Max. 3.4 4.0 4.6 VP-P 0.8 1.0 1.2 - 4.1 4.9 5.7 VP-P 0.8 1.0 1.2 - 1.5 2.0 2.5 VP-P 0.8 1.0 1.2 - 3.3 3.7 4.1 V -0.3 0 0.3 V 1.5 1.8 2.1 V -0.3 0 0.3 V 0.7 0.9 1.1 V - -0.3 0 0.3 V Va Vari ria able 5.0 ble -2.0 0 2.5 dB -1.0 0 1.0 dB -3.0 0 3.0 dB -1.0 0 1.0 dB -3.0 3.0 5.0 dB -1.0 0 1.0 dB - -25 -20 dB Vari able 5.0 - -20 -15 dB a Vari able 5.0 - -25 -20 dB a a Vari able 5.0 - -20 -15 dB a a Vari able 5.0 - -25 -20 dB a a Vari able 5.0 - -20 -15 dB - - 2.0 4.0 - - - - - FFH FFH FFH FFH 255 255 255 255 - 2.0 2.0 - - 4.0 5.0 - - 2.0 5.0 - - 1.0 5.0 - - - - Va Vari ria able 5.0 ble Vari able 5.0 - FFH 255 FFH FFH FFH 00H 255 255 255 0 00H 0 4 MITSUBISHI ICs (Monitor) RY A N I M I PREL M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter Test point 6,9,11 (s) RGB in Tr ∆ Tr Tf ∆ Tf VthCP WCP PDCH PDCL Pulse characteristics1 (4VP-P) Relative pulse characteristics1 Pulse characteristics2 (4VP-P) Relative pulse characteristics2 2,3,4 5 16 22 13 OSD OSD CP in ReT SOG in BLK BLK in a b SG5 a a Va Vari ria able 5.0 ble OUT b SG1 a a b SG5 a a Vari 5.0 able b OUT SG1 a a b SG5 a a b SG5 b SG5 a a a a 2.0 5.0 a a a Clamp pulse threshold voltage Clamp pulse minimum width b OUT SG1 a a b SG1 a Pedestal voltage temperature characteristics1 Pedestal voltage temperature characteristics2 b OUT SG1 a a b OUT SG1 a a OUT a 3.6 -0.8 0 0.8 ns 1.0 1.5 2.0 V 2.0 5.0 0.2 - - µs a 2.0 5.0 -0.15 0 0.15 V a a 2.0 5.0 -0.15 0 0.15 V - 3.0 6.0 ns 2.0 5.0 b b b SG6 SG6 SG5 a a 2.0 5.0 - - - a a - - - a b SG5 a a - - - - b b b SG6 SG5 SG6 Variable a a 2.0 5.0 b b b SG6 SG5 SG6 Variable a a 2.0 5.0 b SG5 a a 2.0 5.0 b b b SG6 SG6 SG5 a a b b b SG5 SG6 SG6 3V a - Oaj2 OSD adjust control characteristics2 OUT a ∆Oaj2 OSD adjust control relative characteristics2 - - - - OBLK OSD adjust control characteristics3 OUT a b SG6 ∆OBLK OSD adjust control relative characteristics3 - - - OUT a OUT a OUT a a - - - b b b SG6 SG6 SG5 b b OUT SG1 SG6 Variable a OSD half adjust control characteristics1 OUT OSD half adjust control characteristics2 OUT a OUT a a a SonG IN Sync OUT a a a a b SG5 b SG5 a - OUT b SG5 a OSD adjust control relative characteristics1 -0.8 - FFH 255 ns - 2.0 5.0 - - 2.0 5.0 - - 08H 8 - 3.0 6.0 ns 0FH 15 4.6 5.4 6.2 VP-P - 0.8 1.0 1.2 - 08H 8 3.4 3.9 4.4 VP-P 0.8 1.0 1.2 - 00H 0 08H 8 0 -0.1 -0.3 VP-P 0 0.15 VP-P -0.15 3.1 3.5 3.9 V 1.5 2.0 2.5 V 00H 0 2.2 2.7 3.2 V 2.0 5.0 00H 15 3.2 3.8 4.4 V a 2.0 5.0 08H 8 2.3 2.7 3.1 V a 2.0 5.0 00H 08H 0 8 1.0 1.5 2.0 V 2.0 5.0 - - 0.03 VP-P 2.0 5.0 0.2 - - VP-P 2.0 5.0 4.5 4.9 5.0 3V Retrace BLK voltage 5 2.8 Vari able Va Vari ria able 5.0 ble Vari Vari able 5.0 able a ∆Oaj1 VSH ns b b SG6 SG5 a SS-SV 0.8 2.0 5.0 OUT SOG input maximum noise voltage SOG minimum input voltage Sync output hi level 0 a Oaj1 SS-NV ns a OSD adjust control characteristics1 VthRET input threshold 3.6 b b SG6 SG5 OTf Ohaj2 2.8 a OSD pulse characteristics2 Ohaj1 - Variable OSD pulse characteristics1 voltage Unit Min. Typ. Max. Variable OTr OSD BLK input Main Sub Sub Sub OSD INT cont cont cont cont Adj ENT R G B a a Limits 00H 01H 02H 03H 04H 05H b SG1 a VthBLK threshold 18 1 Bri- ABL ght BUS CTL (H) OUT b OUT SG1 OSD input VthOSD1 threshold voltage1 OSD input VthOSD2 threshold voltage2 CTL voltage Input b b SG7 SG5 Variable a b a SG4 Variable SonG IN Sync OUT a a a a b a SG4 Variable Sync OUT a a a a b a SG4 V MITSUBISHI ICs (Monitor) RY A N I M I PREL M52745SP on. ecificati to change. final sp t is not a its are subjec is h :T Notice rametric lim pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR Symbol VSL ELECTRICAL CHARACTERISTICS (cont.) TDS-F TDS-R Parameter Test point 6,9,11 (s) RGB in lccps Sync output lo level Sync output delay time1 Sync output delay time2 SKV Power save circult current Spot killer voltage CTL voltage Input 2,3,4 5 16 22 13 OSD OSD CP in ReT SOG in BLK BLK in b 18 1 Bri- ABL ght BUS CTL (H) Limits Unit 00H 01H 02H 03H 04H 05H Main Sub Sub Sub OSD INT cont cont cont cont Adj ENT R G B Min. Typ. Max. Sync OUT a a a a a SG4 2.0 5.0 0 0.3 0.6 V Sync OUT a a a a a b SG4 2.0 5.0 0 60 90 ns 2.0 5.0 0 60 90 ns 22 30 mA Sync OUT a a a a a b SG4 Ips a a a b SG5 a a 4.0 5.0 FFH FFH FFH FFH 00H 255 255 255 255 0 00H 0 a a b SG5 a a 2.0 5.0 FFH FFH FFH FFH 00H 255 255 255 255 0 00H 0 12V b system voltage SG1 ELECTRICAL CHARACTERISTICS TEST METHOD ICC1 Circuit current1 Measuring conditions are as listed in supplementary Table. Measured with a current meter at test point IA. - 9.4 10.0 10.4 V Gv Maximum gain Input SG1, and read the amplitude output at OUT (24, 28, 31). The amplitude is called VOUT (24, 28, 31). Maximum gain GV is calculated by the equation below: GV=20Log VOUT (dB) 0.7 ICC2 Circuit current2 Measuring conditions are as listed in supplementary Table. ∆Gv Relative maximum gain Measured with a current meter at test point IB. Relative maximum gain DGV is calculated by the equation bellow: ∆GV= VOUT (24)/VOUT (28), Vomax Output dynamic range Decrease V1 gradually, and measure the voltage when the VOUT (28)/VOUT (31), VOUT (31)/VOUT (24) waveform output is distorted. The voltage is called VOL. Next, increase V1 gradually, and measure the voltage when the top of waveform output is distorted. The voltage is called VOH. VC1 Main contrast control characteristics1 Measuring the amplitude output at OUT (24, 28, 31). The Voltage Vomax is calculated by the equation below: measured value is called VOUT (24, 28, 31). Main contrast control Vomax = VOH-VOL characterics VC1 is calculated by the equation bellow: VOUT (dB) VC1=20Log 0.7 (V) VOH ∆VC1 Main contrast control relative characteristics1 5.0 Relative characteristics ∆VC1 is calculated by the equation bellow: Waveform output ∆VC1=VOUT (24)/VOUT (28), VOUT (28)/VOUT (31), VOL 0.0 Vimax Maximum input Increase the input signal (SG2) amplitude gradually, starting from 700mVP-P. Measure the amplitude of the input signal when the output signal starts becoming distorted. VOUT (31)/VOUT (24) VC2 Main contrast control characteristics2 Measuring condition and procedure are the same as described in VC1. ∆VC2 Main contrast control relative characteristics2 Measuring condition and procedure are the same as described in ∆VC1. 6 MITSUBISHI ICs (Monitor) ARY N I M I L E PR M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR VC3 Main contrast control characteristics3 Measuring the amplitude output at OUT (24, 28, 31). ABL1 ABL control characteristics1 Measure the amplitude output at OUT (24,28,31). The measured The measured value is called VOUT (24, 28, 31). value is called VOUT (24,28,31), and is treated as ABL1. ∆VC3 Main contrast control relative characteristics3 ∆ABL1 ABL control relative characteristics1 Measuring condition and procedure are the same as described in Relative characteristics ∆ABL1 is calculated by the equation below: ∆VC1. ∆ABL1= VOUT (24)/VOUT (28), VOUT (28)/VOUT (31), VOUT (31)/VOUT (24) VSC1 Sub contrast control characteristics1 Measure the amplitude output at OUT (24,28,31). The measured value is called VOUT (24, 28, 31). Sub contrast control characteristics VSC1 is calculated by the equation below: VSC1=20Log VOUT (dB) 0.7 ABL2 ABL control characteristics2 Measuring condition and procedure are the same as described in ABL1. ∆VSC1 Sub contrast control relative characteristics1 ∆ABL2 ABL control relative characteristics2 Relative characteristics ∆VSC1 is calculated by the equation below: Measuring condition and procedure are the same as described in ∆VSC1=VOUT (24)/VOUT (28), ∆ABL1. VOUT (28)/VOUT (31), VOUT (31)/VOUT (24). VSC2 Sub contrast control characteristics2 Measuring condition and procedure are the same as described in VB1 Brightness control characteristics1 Measure the DC voltage at OUT (24, 28, 31) with a voltmeter. The measured value is called VOUT (24, 28, 31), and is treated as V B1. ∆VB1 Brightness control relative characteristics1 VSC1. Relative characteristics ∆VB1 is calculated by the difference in the ∆VSC2 Sub contrast control relative characteristics2 output between the channels. ∆VB1= VOUT (24)-VOUT (28), Measuring condition and procedure are the same as described in ∆VSC1. VOUT (28)-VOUT (31), VOUT (31)-VOUT (24) VSC3 Sub contrast control characteristics3 Measuring the amplitude output at OUT (24,28,31). The measured value is called VOUT (24, 28, 31). VB2 Brightness control characteristics2 Measuring condition and procedure are the same as described in VB1. ∆VSC3 Sub contrast control relative characteristics3 Measuring condition and procedure are the same as described in ∆VSC1. VMSC Main/sub contrast control characteristics Measure the amplitude output at OUT (24, 28, 31). The measured value is called VOUT (24, 28, 31). Main/Sub contrast control characteristics VMSC is calculated by the equation below: VMSC =20Log VOUT (dB) 0.7 ∆VB2 Brightness control relative characteristics2 Measuring condition and procedure are the same as described in ∆VB1. VB3 Brightness control characteristics3 Measuring condition and procedure are the same as described in VB1. ∆VB3 Brightness control relative characteristics3 ∆VMSC Main/sub contrast control relative characteristics Relative characteristics ∆VMSC is calculated by the equation below: ∆VMSC = VOUT (24)/VOUT (28), VOUT (28)/VOUT (31), VOUT (31)/VOUT (24) 7 Measuring condition and procedure are the same as described in ∆VB1. MITSUBISHI ICs (Monitor) RY LIMINA PRE M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR FC1 Frequency characteristics1 (f=50MHz) First, SG3 to 1MHz is as input signal. Input a resister that is about C.T.2 Crosstalk2 (f=50MHz) Input SG3 (50MHz) to pin6 only, and then measure the waveform 2kΩ to offer the voltage at input pins (6, 9, 11) in order that the bot- amplitude output at OUT (24, 28, 31). The measured value is called tom of input signal is 2.5V. Control the main contrast in order that VOUT (24, 28, 31). Crosstalk C.T.2 is calculated by the equation the amplitude of sine wave output is 4.0V P-P. Control the brightness below: in order that the bottom of sine wave output is 2.0V P-P. By the same C.T.2=20 log way, measure the output amplitude when SG3 to 50MHz is as input VOUT (24, 31) VOUT (28) (dB) signal. The measured value is called VOUT (24, 28, 31). Frequency characteristics FC1 (24, 28, 31 ) is calculated by the equation below: C.T.2' Crosstalk2 (f=150MHz) VOUT VP-P FC1=20log (dB) Output amplitude when inputted SG3 (1MHz):4VP-P Measuring condition and procedure are the same as described in ∆FC1 Frequency relative characteristics1 (f=50MHz) Relative characteristics ∆FC1 is calculated by the difference in the C.T.3 Crosstalk3 (f=50MHz) Input SG3 (50MHz) to pin11 only, and then measure the waveform output between the channels. amplitude output at OUT (24, 28, 31). The measured value is called C.T.2, expect SG3 to 150MHz. VOUT (24, 28, 31). Crosstalk C.T.3 is calculated by the equation FC1' Frequency characteristics1 (f=150MHz) Measuring condition and procedure are the same as described in below: C.T.3=20 log table, expect SG3 to 150MHz. ∆FC1' Frequency relative characteristics1 (f=150MHz) Relative characteristics ∆FC1' is calculated by the difference in the output between the channels. (dB) C.T.3' Crosstalk3 (f=150MHz) Measuring condition and procedure are the same as described in C.T.3, expect SG3 to 150MHz. FC2 Frequency characteristics2 (f=150MHz) SG3 to 1MHz is as input signal. Control the main contrast in order that the amplitude of sine wave output is 1.0VP-P. By the same way, measure the output amplitude when SG3 to 150MHz is as input signal. The measured value is called VOUT (24, 28, 31). Frequency characteristics FC2 (24, 28, 31) is calculated by the equation below: FC2=20log VOUT (28, 31) VOUT (24) VOUT VP-P (dB) Output amplitude when inputted SG3 (1MHz):4VP-P Tr Pulse characteristics1 (4VP-P) Control the main contrast (00H) in order that the amplitude of output signal is 4.0VP-P. Control the brightness (V1) 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 = [(Tr2)2-(Tr1)2] ∆FC2 Frequency relative characteristics2 (f=150MHz) Relative characteristics ∆ FC2 is calculated by the difference in the output between the channels. ∆Tr Relative pulse characteristics1 Relative characteristics ∆Tr is calculated by the difference in the C.T.1 Crosstalk1 (f=50MHz) Input SG3 (50MHz) to pin2 only, and then measure the waveform output between the channels. amplitude output at OUT (24, 28, 31). The measured value is called VOUT (24, 28, 31). Crosstalk C.T.1 is calculated by the equation Tf Pulse characteristics2 (4VP-P) Measure the time needed for the input pulse to fall from 90% to 10% below: (Tf1) and for the output pulse to fall from 90% to 10% (Tf2) with an C.T.1=20 log VOUT (24, 31) VOUT (28) active prove. (dB) Pulse characteristics Tf is calculated by the equations below : Tf = [(Tf2)2-(Tf1)2] C.T.1' Crosstalk1 (f=150MHz) Measuring condition and procedure are the same as described in C.T.1, expect SG3 to 150MHz. 8 MITSUBISHI ICs (Monitor) RY LIMINA PRE M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR ∆Tf Relative pulse characteristics2 Relative characteristics ∆Tf is calculated by the difference in the ∆Oaj1 OSD adjust control relative characteristics1 Relative characteristics ∆Oaj1 is calculated by the equation below: ∆Oaj1=VOUT (24)/VOUT (28), output between the channels. VOUT (28)/VOUT (31), 100% 90% VOUT (31)/VOUT (24) Oaj2 OSD adjust control characteristics2 Measuring condition and procedure are the same as described in 10% 0% Tr1 or Tr2 Tf1 or Tf2 VthCP Clamp pulse threshold voltage Oaj1. ∆Oaj2 OSD adjust control relative characteristics2 Measuring condition and procedure are the same as described in ∆Oaj1. Turn down the SG5 input level gradually from 5.0VP-P, monitoring the waveform output. Measure the top level of input SG5 at when the output pedestal OBLK OSD adjust control characteristics3 Measuring condition and procedure are the same as described in level is start to going down or unstable. Oaj1. WCP Clamp pulse minimum width ∆OBLK OSD adjust control relative characteristics3 Measuring condition and procedure are the same as described in Decrease the SG5 pulse width gradually from 0.5 µs, monitoring the output. Measure the input SG5 pulse width (a point of 1.5V) when the output pedestal voltage turm decrease with unstable. P DCH Pedestal voltage temperature characteristic1 Measure the pedestal voltage at 25°C. The measured value is called PDC1. Measure the pedestal voltage at temperature of -20°C. The measured value is called PDC2. Pedestal voltage temperature characteristics 1 is calculated by the equation below: P DCH =PDC1-PDC2 P DCH Pedestal voltage temperature characteristic2 Measure the pedestal voltage at 25°C. The measured value is called PDC1. Measure the pedestal voltage at temperature of 75°C. The measured value is called PDC3. Pedestal voltage temperature characteristics 2 is calculated by the 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 Confirm 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. 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. equation below: P DCH =PDC1-PDC3 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 (24, 28, 31). The measured value is called VOUT (24, 28, 31), and is treated as Oaj1. 9 ∆Oaj1. MITSUBISHI ICs (Monitor) ARY N I M I L E PR M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR SS-NV SOG input maximum noise voltage The sync's amplitude of SG4 be changed all white into all black, VOH D/A H output voltage Measure the DC voltage at D/AOUT. The measured value is increase from 0VP-P to 0.02VP-P. No pulse output permitted. treated as VOH. SS-SV SOG minimum input voltage The sync's amplitude of SG4 be changed all white or all black, VOL D/A L output voltage Measure the DC voltage at D/AOUT. The measured value is decrease from 0.3VP-P to 0.2VP-P. Confirm no malfunction produced treated as VOL. by noise. VSH Sync output hi level Measure the high voltage at SyncOUT. The measured value is IAO D/A output current range Electric current flow from the output of D/AOUT must be less than 1.0mA. Electric current flow into the output of D/AOUT must be more treated as VSH. than 0.1mA . VSL Sync output lo level Measure the low voltage at SyncOUT. The measured value is treated as VSL. DNL D/A nonlinearity The difference of differential non-linearity of D/AOUT must be less than ±1.0LSB. 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 UNI1 Uniformity characteristics1 UNI1 Uniformity characteristics2 VuniA is amplitude output at OUT (24, 28, 31), when SG6 is low voltage. VuniB is amplitude output at OUT (24, 28, 31), when SG6 is high voltage. moduration ratio UNI (UNI2) is calculated by the equation below; UNI1 (UNI2)=100 • (VuniB/VuniA-1) (%) from 50% and for SyncOUT to fall from 50% with an active prove. The measured value is treated as TDS-R, less than 90nsec. SG4 Pedestal voltage sync (50%) (50%) OUT VuniB VuniA Pedestal voltage SyncOUT TDS-F TDS-R SG6 5VP-P (2.5VP-P) 10 MITSUBISHI ICs (Monitor) INARY M I L E PR M52745SP on. ecificati to change. final sp t is not a its are subjec is h :T Notice rametric lim pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR I2C-BUS PROTOCOL (1) Slave address D7 1 D6 0 D5 0 D4 D3 1 0 D2 0 D1 0 R/W 0 =88H (2) Slave receiver format S SLAVE ADDRESS START condition SUB ADDRESS A acknowledge A DATA BYTE A P STOP condition (3) Sub address byte and data byte format bit sub add. Main contrast 8 00H Sub contrast R 8 01H Sub contrast G 8 02H Sub contrast B 8 03H OSD level 4 04H Pedestal clamp INT/EXT SW 1 05H Function Notes) pedestal level INT/EXT SW 0 INT 1 EXT 11 D7 A07 0 A17 1 A27 1 A37 1 0 0 Data byte (top:byte format under:start condition) D6 D5 D4 D3 D2 D1 A06 A05 A04 A03 A02 A01 1 0 0 0 0 0 A16 A15 A14 A13 A12 A11 0 0 0 0 0 0 A26 A25 A24 A23 A22 A21 0 0 0 0 0 0 A36 A35 A34 A33 A32 A31 0 0 0 0 0 0 A43 A42 A41 0 0 0 1 0 0 0 0 0 0 0 0 D0 A00 0 A10 0 A20 0 A30 0 A40 0 A50 0 MITSUBISHI ICs (Monitor) RY LIMINA PRE M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR TIMING REQUIREMENT OF I2C Symbol VIL VIH fSCL tBUF tHD:STA tLOW tHIGH tSU:STA tHD:DAT Parameter Input voltage LOW Input voltage HIGH SCL clock frequency Time the bus must be free before a new transmission can start Hold time start condition. After this period the first clock pulse is generated The LOW period of the clock The HIGH period of the clock Set up time for start condition (Only relevant for a repeated start condition) Hold time for I2C devices Set-up time DATA Rise time of both SDA and SCL Fall time of both SDA and SCL Set-up time for stop condition tSU:DAT tr tf tSU:STO Min. -0.5 3.0 0 4.7 4.0 4.7 4.0 4.7 0 Max. 1.5 5.5 100 - Unit V V kHz µs µs µs µs µs µs 250 4.0 1000 300 - ns ns ns µs TIMING DIAGRAM tBUF tr, tf VIH SDA VIL tHD:STA tSU:DAT tHD:DAT tSU:STA tSU:STO VIH SCL VIL tLOW S tHIGH S P S 12 MITSUBISHI ICs (Monitor) RY LIMINA PRE M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR INPUT SIGNAL SG No. Signals Pulse with amplitude of 0.7VP-P (f=30kHz). Video width of 25µs. (75%) 33µs SG1 Video signal (all white) 8µs 0.7VP-P SG2 Video signal (step wave) 0.7VP-P (Amplitude is variable.) SG3 Sine wave Sine wave amplitude of 0.7VP-P. f=1MHz, 50MHz, 200MHz (variable) (for freq. char.) Video width of 25µs. (75%) SG4 all white or all black variable. 0.7VP-P Video signal (all white, all black) 0.3VP-P Sync’s amplitude is variable. 3µs Pulse width and amplitude are variable. 0.5µs SG5 Clamp pulse 5VTTL SG6 OSD pulse 5VTTL or 3VTTL Amplitude is variable. 5µs SG7 BLK pulse 5VTTL 5µs Amplitude is variable. * ) f=30kHz 13 MITSUBISHI ICs (Monitor) RY LIMINA PRE M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR TEST CIRCUIT OUT (31) OUT (28) 2K 2K 1K SG7 OUT (24) SDA A IB SCL V18 2K 1K 1K 0 to 5V b a SW22 32 12V 31 R out 30 f/b 29 12V 27 28 B out 26 gnd f/b 25 23 f/b 24 G out 12V 47µ 22 blk 21 sda 20 scl 19 gnd 18 17 abl 5V M52745SP blk 1 osd R 2 osd B 3 osd G 4 osd blk 5 R 12V NC B gnd G 12V SonG sync gnd c/p 6 7 8 9 10 11 12 13 14 15 16 100K IN (6) 2K 0 to 5V V1 SW2 a 3.3µ 0.01µ 2K SW3 ba SW4 ba SW5 ba SW6 ba 1µ 2K b 1K SW11 a b SW13 a a b A IA 47µ C/P IN SYNC OUT 3.3µ 0.01µ 3.3µ 0.01µ SW9 a b SonG IN IN (11) IN (9) SW16 b SG5 12V SG6 SG1 SG2 SG3 SG4 : MEASURE POINT * Capacitor : 0.01µF (unless otherwise specified.) Units Resistance : Ω Capacitance : F 14 MITSUBISHI ICs (Monitor) ARY N I M I L E PR M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR TYPICAL CHARACTERISTICS THERMAL DERATING MAIN CONTRAST CONTROL CHARACTERISTICS 2800 6 2400 2358 5 2000 4 1600 1226 3 1200 2 800 1 400 0 -20 0 25 50 75 85 100 125 150 0 00H FFH AMBIENT TEMPERATURE Ta ( °C) MAIN CONTRAST CONTROL DATA SUB CONTRAST CONTROL CHARACTERISTICS BRIGHTNESS CONTROL CHARACTERISTICS 6 6 5 5 4 4 3 3 2 2 1 1 Main contrast: Max 0 00H 0 0 FFH 2 4 SUB CONTRAST CONTROL DATA BRIGHTNESS CONTROL VOLTAGE (V DC) ABL CHARACTERISTICS OSD ADJUST CONTROL CHARACTERISTICS 6 6 5 5 4 4 3 3 2 2 1 1 Main contrast: Max Sub contrast : Max 0 0 5 ABL CONTROL VOLTAGE (VDC) 15 Sub contrast: Max 0 0H FH OSD ADJUST CONTROL DATA MITSUBISHI ICs (Monitor) RY LIMINA PRE M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR SYNC ON GREEN INPUT MIN. PULSE WIDTH 12 (Video duty=75%) 10 8 Sync separate normal operating range 6 4 2 7 100k 1m 0 0 0.5 INPUT SYNC AMPLITUDE (VP-P) IN 16 MITSUBISHI ICs (Monitor) RY LIMINA PRE M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR APPLICATION EXAMPLE CRT 110V Cut Off Adj DAC IC 5VTTL 1K 0.01µ 4.7µ 1K 4.7µ 0.01µ 4.7µ BLK IN (for retrace) 1K SDA 0.01µ SCL 0 to 5V 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 12 13 14 15 ABL IN 17 M52745SP 1 2 3 4 5 6 7 8 NC 9 10 11 100K 0.01µ 16 1k 0.01µ Sync Sep OUT 1µ 4.7µ 4.7µ 0 to 5V Clamp Pulse IN 3.3µ 3.3µ 3.3µ 0.01µ 5V TTL 0.01µ 75 0.01µ 75 75 5V TTL 5V TTL 5V TTL BLK IN (for OSD) OSD IN (G) 2.5V TTL 2.5V TTL OSD IN (B) OSD IN (G) 2.5V TTL 0.01µ 4.7µ 12V 5V 17 INPUT (R) INPUT (B) INPUT (G) S ONG INPUT •FEED BACK IS INTERNAL FEED BACK Units Resistance : Ω Capacitance : F MITSUBISHI ICs (Monitor) ARY N I M I L E PR M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR DESCRIPTION OF PIN Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function R •Input pulses G 3.7 to 5V 5 5 OSD BLK IN - B GND to1.7V 0.4mA 2k 6 9 11 INPUT (R) INPUT (B) INPUT (G) •Connected to GND if not used. 2.7V 2k •Clamped to about 2.5V due to clamp pulses from pin 16. •Input at low impedance. 2.5 2.5V CP 0.3mA 7 12 VCC 12 •Apply equivalent voltage to 3 channels. - •Input pulses 1k 2 3 4 OSD IN (R) OSD IN (B) OSD IN (G) 4.0 to 5V 2.5 to 3V - GND to 1.5V 3.5V 1mA 10 15 19 26 GND GND INPUT (S on G) •Connected to GND if not used. - 17 13 2.0V 500 When open≈ 2.5V 1k 3.2V 13 •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. 18 MITSUBISHI ICs (Monitor) ARY N I M I L E PR M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function 2.5V •ABL (Automatic Beam Limiter) input pin. Recommended voltage range is 0 to 5V. When ABL function is not used, set to 5V. 20k 18 ABL IN When open 2.5V 1.2k 1.2k 30k 0.5mA 18 17 VCC (5V) 5 14 14 S on G Sep OUT •Sync signal output pin, Being of open collector output type. - 41k •Input pulses 2.5 to 5V 16 Clamp Pulse IN GND to 0.5V 16 2.2V •Input at low impedance. 0.15mA 17 50k 20 SCL •SCL of I2C BUS (Serial clock line) VTH=2.3V 20 2k 3V 19 MITSUBISHI ICs (Monitor) RY LIMINA PRE M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function 17 50k 21 SDA •SDA of I2C BUS (Serial data line) VTH=2.3V 21 2k 3V •Input pulses 50k R 2.5 to 5V G 22 Retrace BLK IN - B GND to 0.5V 22 2.25V •Connected to GND if not used. 35k 30 EXT Feed Back (G) EXT Feed Back (B) EXT Feed Back (R) 24 28 31 OUTPUT (G) OUTPUT (B) OUTPUT (R) 23 27 Variable Variable 50 50 25 29 32 VCC2 12 •A resistor is needed on the GND side. Set discretionally to maximum 15mA, depending on the required driving capacity. •Used to supply power to output emitter follower only. 20 MITSUBISHI ICs (Monitor) ARY N I M I L E PR M52745SP n. cificatio change. nal spe not a fi are subject to is is h s Notice:T rametric limit pa Some BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function 35k 1 •It is recommended that the IC be used between pedestal voltage 2V and 3V. - Brightness 1 APPLICATION METHOD FOR M52745SP NOTICE OF APPLICATION •Make the nearest distance between output pin and pull down resistor. CLAMP PULSE INPUT Clamp pulse width is recommended •Recommended pedestal voltage of IC output signal is 2V. above 15kHz, 1.0µsec above 30kHz, 0.5µsec above 64kHz, 0.3µsec. 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. 16 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. MAIN BRIGHTNESS DC:1 to 5V Power Amp Power Amp OUT Pre Amp INPUT R R OUT PUT Black level 1 to 5V M52745SP R Feed back Black level 1 to 5V R1 R2 EXT-FEED BACK APPLICATION CIRCUIT 21