MITSUMI S Video Amplifier MM1029 S Video Amplifier Monolithic IC MM1029 Outline This is a video amp IC that supports S and also has a superimpose function. Amp gain is as follows : 6dB for Y signal amplification, 10dB for C signal amplification and 6dB for composite signal amplification. A 75Ω driver is built in. Features 1. 2. 3. 4. 5. 6. 7. 8. 9. Supports S-VHS Built-in superimpose function Built-in Y-C mix circuit Vertical/horizontal sync signal output pin Amp gain : 6dB for Y signal, 10dB for C signal and 6dB for composite signal Built-in clamp circuit (for Y signal only) Built-in monitor cut function 75Ω driver built in Frequency response Y : 7MHz C : 5MHz 10.Power supply voltage 4.7V~5.3V Package SOP-16A (MM1029AF) Applications 1. 2. 3. 4. TV VCR VCR with camera Other video equipment S Video Amplifier MM1029 MITSUMI Block Diagram Pin Description Pin no. Pin name Function 1 R 2 C 3 PBIN 4 VSYNC OUT 5 PBIN 6 Chroma mute input 7 CHROMA OUT 8 GND 9 SUG 10 VIDEO OUT 11 YOUT Y (luminance) signal output pin 12 SUG Anti-sag pin 13 Character input 14 Monitor cut V insert 15 YOR VIDEO IN 16 VCC Integrates sync signal and inputs to Schmidt circuit Chroma signal input pin for other than playback Vertical sync signal output pin Chroma signal input pin for playback Chroma mute signal input pin Chroma signal output pin Anti-sag pin Composite video signal output pin Character input pin for superimpose Monitor cut V insert pin Luminance or video signal input pin S Video Amplifier MM1029 MITSUMI Absolute Maximum Ratings (Ta=25°C) Item Storage temperature Operating temperature Power supply voltage Allowable loss Electrical Characteristics Symbol TSTG TOPR VCC max. Pd Symbol Operating power supply voltage VCC Measurement circuit VCC Id - GV1 TP11 Differential gain DG1 TP10 Differential phase DP1 TP10 Frequency characteristic fc1 TP11 Video amp output Voltage gain GV2 TP8 Differential gain DG2 TP9 Differential phase DP2 TP9 Frequency characteristic fc2 TP8 Chroma amp output Voltage gain GV3 TP7 Frequency characteristic fc3 TP7 Crosstalk Crosstalk 1 YIN Crosstalk 2 PB Crosstalk 3 PB Crosstalk 4 PB Superimpose CT1 CT2 CT3 CT4 TP7 TP11 TP11 TP7 V insertion level Y VMCY TP10 V insertion level V VMCV TP9 Character level Y VCHY TP10 Character level V VCHV TP9 V insertion input VTH1 TP13 Character input VTH2 TP12 Chroma mute input VTH3 TP5 VSEPA TP14 Y amp output Voltage gain COUT YOUT YOUT COUT Units °C °C V mW (Except where noted otherwise, Ta=25°C, VCC=5.0V, pulse level 0V, SW1 : A, SW2 : B) Item Consumption current Ratings -40~+125 -20~+75 7 350 Measurement conditions Min. Typ. Max. Units 4.7 SG-1, SG-2, SG-3 : No signal Measure with DC ammeter. SG-1 Sweep signal 1VP-P, 0.1MHz SG-1 Staircase wave 1VP-P APL=10, 50, 90% SG-1 Staircase wave 1VP-P APL=10, 50, 90% SG-1 Sweep signal 1VP-P 5MHz/0.1MHz 1 * SG-1 Sweep signal 1VP-P, 0.1MHz SG-1 Staircase wave 1VP-P APL=10, 50, 90% SG-1 Staircase wave 1VP-P APL=10, 50, 90% SG-1 Sweep signal 1VP-P 5MHz/0.1MHz 1 * SG-2 Sine wave 0.2VP-P, 0.1MHz SG-2 Sine wave 0.2VP-P 5MHz/0.1MHz 1 * SG-1 Sine wave 1.0VP-P, 4MHz SG-2 Sine wave 0.2VP-P, 4MHz SG-3 Sine wave 0.2VP-P, 4MHz SG-1 Sine wave 0.2VP-P, 4MHz 5.3 V 25.0 33.0 mA 5.5 6.0 6.5 dB 1.0 3.0 % 1.0 3.0 deg -1.0 0 1.0 dB 5.5 6.0 6.5 dB 1.0 3.0 % 1.0 3.0 deg 0 1.0 dB 10.0 11.0 dB -1.0 9.0 -1.0 0 1.0 dB -36 -42 -42 -50 -30 -36 -36 -40 dB dB dB dB -45 -40 -35 IRE -45 -40 -35 IRE 105 110 115 IRE 105 110 115 IRE 0.7 1.4 2.1 V 0.7 1.4 2.1 V 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 2.3 1.5 V V V V *23 *3 *4 * SG-1 Staircase wave (no chroma signal) 1VP-P TP13 Pulse level 5V SG-1 Staircase wave (no chroma signal) 1VP-P TP13 Pulse level 5V SG-1 Staircase wave (no chroma signal) 1VP-P TP12 Pulse level 5V SG-1 Staircase wave (no chroma signal) 1VP-P TP12 Pulse level 5V 5.0 Input threshold voltage Sync separation Sync separation level VTH4H VTH4L VVH Vertical sync output voltage VVL Schmitt trigger threshold voltage TP1 TP3 SG-1 Staircase wave (no chroma signal) 1VP-P TP13 Pulse level L H 5 SG-1 Staircase wave (no chroma signal) 1VP-P TP12 Pulse level L H 5 SG-2 Sine wave 0.1VP-P, 4MHz TP5 Pulse level L H 6 * * * SG-1 Staircase wave (no chroma signal) 1VP-P SG-1 SYNC level, max min 7 TP1 DC voltage 0V H 8 TP1 DC voltage 5V L 8 TP1 DC voltage 5V L 9 TP1 DC voltage 0V H 9 * * * * * 0.4 S Video Amplifier MM1029 MITSUMI Notes : 1 1. Voltage gain GV1, GV2, GV3 Given SG-1 input as V1 and TP11 output signal as V2, GV1 is obtained as follows. The same applies for GV2 and GV3. * GV1=20LOG V2 [dB] V1 2. Frequency response fC1, fC2, fC3 For the same conditions as the GV1 measurement, given TP11 output for 0.1MHz as V3, and for 5MHz as V1, FC1 is obtained as follows. The same applies for fC2 and fC3. FC1=20LOG *2 Crosstalk Yin COUT CT1 Given TP14 input signal as V5 and TP7 output signal as V6, CT1 is obtained as follows. CT1=20LOG *3 V4 [dB] V3 V6 [dB] V5 Crosstalk PB, PB YOUT CT2, CT3 Give TP2 and TP4 input signals as V7, and TP11 output signal as V8, CT2 and CT3 are obtained as follows. 1 V8 CT2=20LOG -4 [dB] V7 * *1 * When C is input to compare between YIN COUT and CIN YOUT, subtract the 4dB amp portion from crosstalk. 4 Crosstalk PB COUT CT4 Given TP4 input signal as V9 and TP7 output signal as V10, CT4 is obtained as follows. CT4=20LOG V10 [dB] V9 *5 Input threshold voltage V insert input, character input VTH1, VTH2 For the same conditions as VMCY and VCHY measurement, raise TP13 and TP12 pulse levels gradually. TP13 and TP12 pulse levels when V insert signal and character signal appear on TP11 are, respectively, VTH1 and VTH2. *6 Input threshold voltage Chroma mute input VTH3 Gradually raise TP5 pulse level. TP5 pulse level when a sine wave is no longer output on TP7 is VTH3. *7 Sync separation level VSEPA Gradually reduce SG-1 SYNC level from maximum to minimum. Measure the SYNC signal level at TP14 when a sync separation signal is no longer output on TP15 to obtain VSEPA. *8 Schmidt trigger threshold level VTH4H, VTH4L Impress external DC voltage on TP1 and gradually raise from 0V. TP1 level when TP3 level goes from high to low is VTH4H. Gradually lower from 5V. TP1 level when TP3 level goes from low to high is VTH4L. *9 Vertical sync output voltage VVH, VVL TP3 low level for TTH4H measurement is VVL, and TP3 high level for VTH4L is VVH. MITSUMI Measuring Circuit Application Circuits S Video Amplifier MM1029