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 75Ω 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) 75Ω 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 Video Amplifier MM1002 MITSUMI Pin Description Pin no. Pin name 1 Internal equivalent circuit diagram Pin no. Pin name NC 9 GND 2 CHROMA IN 10 VIDEO OUT 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 Internal equivalent circuit diagram Video Amplifier MM1002 MITSUMI Absolute Maximum Ratings (Ta=25°C) Item Symbol Ratings Units Storage temperature TSTG -40~+125 °C Operating temperature TOPR -20~+75 °C Power supply voltage VCC 7 V Allowable loss Pd 350 mW Electrical Characteristics (Except where noted otherwise, Ta=25°C, VCC=5.0V, pulse level 0V, short between VCC-Id pin) Item Symbol Operating power supply voltage Consumption current EVF output Voltage gain VCC Id Measurement circuit VCC Id GU1 TP3 Differential gain DG1 Buf Differential phase DP1 Buf Frequency characteristic fc1 TP3 Video amp output Voltage gain GU2 TP4 Differential gain DG2 Buf Differential phase DP2 Buf Frequency characteristic fc2 TP4 Character level VCL TP4 Input threshold voltage VTH13 TP7 Character addition GU3 TP4 Frequency characteristic fc3 TP4 Crosstalk C TP4 Input threshold voltage VTH3 TP8 VSEPA TP1 Sync separation VTH7H VTH7L VOH6 Horizontal sync output voltage VOL6 VOH8 Vertical sync output voltage VOL8 7PIN threshold voltage Min. Typ. Max. Units 4.7 5.0 5.3 V 18.0 25.0 mA 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 0.0 +0.5 dB 1 3 % 1 3 deg -1 0 1 dB 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 5.5 6.0 6.5 dB 1 3 % 1 3 deg 0 1 dB 120 125 IRE 1.4 2.1 V 13.5 15.0 16.5 dB * * -1 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 * Chroma amp Voltage gain Sync separation level Measurement conditions TP9 TP10 TP11 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 * * * 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 * * * * * -1 0 1 dB -60 -40 dB 0.7 1.4 2.1 V 55 110 165 mV 1.9 1.1 4.8 2.1 1.3 5.0 0.2 5.0 0.2 2.3 1.5 V V V V V V 4.8 0.4 0.4 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 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. *3 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 *4 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. *5 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. *6 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. *7 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. *8 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. MITSUMI Measuring Circuit Video Amplifier MM1002 MITSUMI Application Circuits Video Amplifier MM1002