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| MITSUMI Video Amplifier MM1002 Video Amplifier Monolithic IC MM1002 Outline This IC is a video amplifier that can perform superimpose. It has a built-in 75 driver. Features 1. 2. 3. 4. 5. 6. 7. 8. 9. Built-in superimpose function Built-in Y-C mix circuit Vertical/horizontal sync signal output pin Built-in clamp circuit (for Y signal only) 75 driver built in EVF driver built in External pin (Pin 14) allows fine tuning of character level Frequency response 5MHz Power supply voltage 4.7V~5.3V Package SOP-16A (MM1002F) Applications 1. 2. 3. 4. TV VCR VCR with camera Other video equipment Block Diagram MITSUMI Video Amplifier MM1002 Pin Description Pin no. 1 2 Pin name NC CHROMA IN Internal equivalent circuit diagram Pin no. 9 10 Pin name GND VIDEO OUT Internal equivalent circuit diagram 3 MIX 11 Anti-sag pin 4 C1 12 EVF 5 R 13 Character signal 6 H-SYNC 14 Character signal level 7 C2 15 VCC 8 V-SYNC 16 VIDEO IN MITSUMI Video Amplifier MM1002 Absolute Maximum Ratings Item Storage temperature Operating temperature Power supply voltage Allowable loss (Ta=25C) Symbol TSTG TOPR VCC Pd Ratings -40~+125 -20~+75 7 350 Units C C V mW Electrical Characteristics Item Operating power supply voltage Consumption current EVF output Voltage gain Differential gain Differential phase Frequency characteristic Video amp output Voltage gain Differential gain Differential phase Frequency characteristic Character addition Character level VCL (Except where noted otherwise, Ta=25C, VCC=5.0V, pulse level 0V, short between VCC-Id pin) Measurement circuit VCC Id TP3 Buf Buf TP3 TP4 Buf Buf TP4 Symbol VCC Id GU1 DG1 DP1 fc1 GU2 DG2 DP2 fc2 Measurement conditions Min. Typ. Max. Units 4.7 5.0 5.3 V 18.0 25.0 mA 0.0 1 1 -1 5.5 0 6.0 1 1 -1 0 +0.5 3 3 1 6.5 3 3 1 dB % deg dB dB % deg dB SG-1 sweep signal 1VP-P, 0.1MHz SG-1 staircase wave 1VP-P APL=10, 50, 90%, SW 1 SG-1 staircase signal 1VP-P APL=10, 50, 90%, SW 1 SG-1 sweep signal 1VP-P 5MHz/0.1MHz 1 -0.5 * SG-1 sweep wave 1VP-P, 0.1MHz SG-1 staircase wave 1VP-P APL=10, 50, 90%, SW 2 SG-1 staircase signal 1VP-P APL=10, 50, 90%, SW 2 SG-1 sweep signal 1VP-P 5MHz/0.1MHz 1 * TP4 TP7 TP4 TP4 TP4 TP8 TP1 TP9 TP10 TP11 Input threshold voltage Chroma amp Voltage gain Frequency characteristic Crosstalk Input threshold voltage Sync separation Sync separation level 7PIN threshold voltage VTH13 GU3 fc3 C VTH3 VSEPA SG-1 staircase wave (no chroma signal) 1VP-P HD horizontal sync signal 115 TP7 pulse level 5V SG-1 staircase wave (no chroma signal) 1VP-P HD horizontal sync signal 0.7 TP7 pulse level L H 2 120 1.4 125 2.1 IRE V dB dB dB V mV V V V V V V * SG-2 sine wave 0.1VP-P, 0.1MHz SG-2 sine wave 0.1VP-P 5MHz/0.1MHz 1 SG-2 sine wave 0.1VP-P, 4MHz TP8 pulse level 5V 3 SG-2 sine wave 0.1VP-P, 4MHz TP8 pulse level L H 4 13.5 15.0 16.5 -1 0 -60 0.7 55 1.9 1.1 4.8 4.8 1.4 110 2.1 1.3 5.0 0.2 5.0 0.2 1 -40 2.1 165 2.3 1.5 0.4 0.4 * * * VTH7H VTH7L VOH6 Horizontal sync output voltage VOL6 VOH8 Vertical sync output voltage VOL8 SG-1 staircase wave (no chroma signal) 1VP-P SG-1 SYNC level max min 5 TP9 DC voltage 0V H 6 TP9 DC voltage 5V L 6 SG-1 staircase wave (no chroma signal) 1VP-P 7 SG-1 staircase wave (no chroma signal) 1VP-P 8 * * * * * MITSUMI Video Amplifier MM1002 Notes : 1 Frequency response fc1, fc2, fc3 For the same conditions as the GU1 measurement, given video output for 0.1MHz as V2, and for 5MHz as V2, FC1 is obtained as follows. The same applies for fC2 and fC3. V2 fC1=20LOG dB V1 * *2 *3 Character addition ******* input threshold voltage VTH13 For the same conditions as the VCL measurement, adjust VR1 to raise pulse level gradually, and TP7 pulse level when a character signal is output on TP4 is VTH13. Chroma amp ****** crosstalk C Given TP4 level when there is no pulse input as V3, and the level when pulse input exists as V4, C is obtained as follows. V4 C=20LOG dB V3 Chroma amp ****** input threshold voltage VTH3 For the same conditions as C measurement, adjust VR2 to raise TP8 level from 0V. The TP8 level when TP4 level changes at pulse input is VTH3. Sync separation ****** sync separation level VSEPA Input a 1VP-P staircase signal (no chroma signal) to SG-1, and gradually shrink the sync signal. TP1 sync level when TP10 horizontal sync signal starts to disappear is VSEPA. Sync separation ****** Pin 7 threshold voltage VTH7H, VTH7L Impress external DC voltage on TP9 and raise gradually from 0V. TP9 level when TP11 level goes from high to low is VTH7H. Lower gradually from 5V. TP9 level when TP11 level goes from low to high is VTH7L. Sync separation ******* horizontal sync output voltage VOH6, VOL6 TP10 high level when a 1VP-P staircase signal (no chroma signal) is input to SG-1 is VOH6, and low level is VOL6. Sync separation ****** vertical sync output voltage VOH8, VOL8 TP10 high level when a 1VP-P staircase signal (no chroma signal) is input to SG-1 is VOH8, and low level is VOL8. *4 *5 *6 *7 *8 MITSUMI Video Amplifier MM1002 Measuring Circuit MITSUMI Video Amplifier MM1002 Application Circuits |
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