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| MITSUMI 85MHz RGB Video Amplifier/130MHz RGB Video Amplifier MM1207, 1205 85MHz RGB Video Amplifier/130MHz RGB Video Amplifier Monolithic IC MM1207, 1205 Outline MM1207XD and MM1205XD are wideband RGB video amplifiers with DC control, developed for use in monitors. The main differences between MM1207XD and MM1205XD are video amp bandwidth and output rise time, and output fall time. Other characteristics are the same. Model Video amp band Output rise time Output fall time MM1207 85MHz 4.3nS 4.3nS MM1205 130MHz 2.6nS 3.6nS MM1207 is described here as the representative model. MM1207 is a wideband video amps system developed for use in high resolution RGB monitors. In addition to three matched video amps, it has a gate controlled differential input black level comparator for luminance adjustment, three matched DC control attenuators for contrast adjustment, and three gain trimming CD control subcontrast attentuators for white balance. All DC control input is high impedance, and the operating range is set for easy interface with serial bus control systems, at 0~4V. Also, MM1207's built-in blanking circuit clamps video output to between GND~0.1V during blanking, enabling blanking on the CRT cathode. Features 1. 2. 3. 4. 5. 6. 7. 8. 9. Built-in wideband video amp 85MHz @ -3dB (4VP-P output) Matched (0.1dB or 1.2%) contrast adjustment attentuators built-in Built-in cutoff and luminance adjustment single end input comparators with external gate control Gain of each video amp controlled independently Built-in high input impedance DC contrast control, 0~4V (> 40dB range) Built-in high input impedance DC drive control, 0~4V (3dB range) 7VP-P output swing (band slightly attenuated) Output blanking function Output can drive almost all hybrid or discrete CRT drivers directly Package DIP-28B (MM1207XD, MM1205XD) Applications 1. 2. 3. 4. High resolution RGB CRT monitors AGC amps for video Gain and DC offset control Interface amps for LCD or CCD systems MITSUMI 85MHz RGB Video Amplifier/130MHz RGB Video Amplifier MM1207, 1205 Block Diagram MITSUMI 85MHz RGB Video Amplifier/130MHz RGB Video Amplifier MM1207, 1205 Pin Description Pin no. 1, 2 Pin name CONTRAST CAP Internal equivalent circuit diagram Pin no. 13 Pin name BLANK GATE ------------------------------------------------------ ------------------------------------------------ Internal equivalent circuit diagram 14 3, 11 22, 25 4 6 9 R VIDEO IN G VIDEO IN B VIDEO IN 15 18 28 VCC1 CLAMP GATE ------------------------------------------------------------- ---------------------------------------------------- B DRIVE ADJ G DRIVE ADJ R DRIVE ADJ 5 8 10 R CLAMP CAP G CLAMP CAP B CLAMP CAP 16 19 27 B CUT-OFF ADJ G CUT-OFF ADJ R CUT-OFF ADJ 17 20 26 R VIDEO OUT G VIDEO OUT B VIDEO OUT 7, 21 24 12 GND CONTRAST 23 VCC2 MITSUMI 85MHz RGB Video Amplifier/130MHz RGB Video Amplifier MM1207, 1205 Absolute Maximum Ratings Item Storage temperature Operating temperature Power supply voltage Pin input voltage Video output current Allowable loss Electrostatic breakdown 1 Electrostatic breakdown 2 Pin temperature (Ta=25C) Symbol TSTG TOPR VCC VIN IO Pd Ratings -65~+150 -20~+80 13.5 GND < VIN < VCC = = 28 2.5 2 1 265 Units C C V V mA W kV kV C Recommended Operating Conditions Item Operating voltage Symbol VCC (Ta=25C) Min. Typ. Max. Units 10.8 12.0 13.2 V DC Electrical Characteristics Item Consumption current Video amp input voltage Video input resistance Clamp gate input voltage L Clamp gate input voltage H Clamp gate input current L Clamp gate input current H Clamping capacitor charge current Clamping capacitor discharge current Clamping capacitor bias discharge current Blanking gate input voltage L Blanking gate input voltage H Blanking gate input current L Blanking gate input current H Video output voltage L Video output voltage H Video black level output voltage Video black level output voltage (Ta=25C, VCC=12V, V12=4V, V14=0V, VC-O=1V, VDRV=4V, S1~3=OFF, S4~6=1) Symbol ICC1 VB RB VCGL VCGH ICGL ICGH ICL+ ICLICLB VBGL VBGH IBGL IBGH VOL VOH VO VO VOBL I12 IDRV IC-O S5=2 S4=2 S4=2 V13=0V, S4=2 V13=12V, S4=2 VC-O=0V VC-O=9V VC-O=1V VC-O=1V V13=0V V12=0~4V VDRV=0~4V VC-O=0~4V 7.0 -5.0 0.01 0.8 V14=0V V14=12V 500 0.8 Measurement conditions VCC1+VCC2, RL= Min. Typ. Max. Units 90 2.8 20 1.2 1.6 -0.5 0.005 750 500 1.2 1.6 -1.0 1.0 0.15 7.5 0.9 100 35 -250 -250 -500 70 0.5 2.0 -500 -750 2.0 -5.0 1.0 20 105 mA V k V V uA uA uA uA nA V V uA uA V V V mV mV uA uA uA Video output blanking voltage Contrast control input current Drive control input current Cutoff control input current MITSUMI 85MHz RGB Video Amplifier/130MHz RGB Video Amplifier MM1207, 1205 AC Electrical Characteristics Item Video amp gain Gain attenuation 1 Gain attenuation 2 Drive control range Gain matching Gain change between amps Gain attenuation matching Video amp frequency bandwidth Output rise time Output fall time Crosstalk 1 Crosstalk 2 Blanking output fall time Blanking output fall time Back-porch clamping pulse width (Ta=25C, VCC=12V, S1~3=ON, S4, 5=1, S6=2) Measurement conditions VIN=635mVP-P V12=4V, VDRV=4V VIN=635mVP-P, V12=2V VIN=635mVP-P, V12=0.5V VDRV=0~4V, V12=4V VDRV=V12=4V V12=4~2V VOUT=1VP-P VOUT=4VP-P, VDRV=V12=4V VOUT=4VP-P VOUT=4VP-P V12=4V V12=4V VOUT=1VP-P, S4=2 VOUT=1VP-P, S4=2 Min. Typ. Max. Units 5.4 7.0 V/V 14.6 16.9 dB -6 dB -38 dB 6 dB 0.3 dB 0.1 dB 1 % 85 MHz 4.3 nS 4.3 nS -70 dB -50 dB 7 nS 7 nS nS Symbol AV max. AV1 AV2 AVDR AVMAT AVM1 THD fBW tr tf VSEP1 VSEP2 trBLK tfBLK tPW Measuring Circuit |
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