Sync Separator with AFC LVA519 MITSUMI Sync Separator with AFC Monolithic IC LVA519 Outline This is a sync separator IC with AFC. Stable operation even in a weak electric field is made possible with the built-in AFC circuit. A regulator also is built in, providing stable operation relative to power supply and temperature fluctuations. Features 1. 2. 3. 4. Supports AFC (horizontal sync signal) AFC OFF function Horizontal and vertical sync signal output pins Power supply voltage 4.7V~5.3V Package SIP-9A (LVA519S) SOP-14A (LVA519F) Applications 1. TV 2. VCR 3. Other video equipment Equivalent Circuit Diagram SIP-9A SOP-14A Sync Separator with AFC LVA519 MITSUMI Pin Description (LVA519S) Pin no. Pin name Function 1 VIDEO IN Video signal input 2 VCO Free run frequency setting 3 PC OUT Phase comparison output 4 CFU Integrates composite signal and inputs to vertical sync playback circuit Internal equivalent circuit diagram Sync Separator with AFC LVA519 MITSUMI 5 GND GND 6 COSC Free run frequency oscillation circuit 7 VSYNC Vertical sync signal output 8 HSYNC Horizontal sync signal output 9 VCC Pin Description Pin no. Power supply (LVA519F) Pin name Function NC 1 2 VIDEO IN 3 VCO Video signal input Free run frequency setting Internal equivalent circuit diagram Sync Separator with AFC LVA519 MITSUMI 4 PC OUT 5 CFU Phase comparison output Integrates composite signal and inputs to vertical sync playback circuit NC 6 7 GND GND 8 COSC Free run frequency oscillation circuit NC 9 10 VSYNC Vertical sync signal output 11 HSYNC Horizontal sync signal output 12 VCC Power supply 13 NC 14 NC Sync Separator with AFC LVA519 MITSUMI Absolute Maximum Ratings (Ta=25°C) Item Symbol Ratings Units Storage temperature TSTG -40~+125 °C Operating temperature TOPR -2~+75 °C Power supply voltage VCC max. 7 V Allowable loss Pd Recommended Operating Conditions Item Recommended power supply voltage range Recommended input signal voltage Electrical Characteristics 470 (SIP-9A) mW 350 (SOP-14A) (Ta=25°C) Symbol Min. Typ. Max. Units VCC 4.7 5.0 5.3 V VIN 0.8 2.0 3.2 VP-P (Except where noted otherwise, Ta=25°C, VCC=5.0V, VIN=2.0VP-P) Item Symbol Measurement conditions Consumption current Id Refer to Measuring Circuit Horizontal sync output (H) VHH Refer to Measuring Circuit Horizontal sync output (L) VHL Refer to Measuring Circuit Vertical sync output (H) VVH Refer to Measuring Circuit Vertical sync output (L) VVL Refer to Measuring Circuit Free-running frequency setting range fO Refer to Measuring Circuit fO1 Refer to Measuring Circuit 300 %/V fO2 Refer to Measuring Circuit 400 ppm/V Capture range fC Refer to Measuring Circuit 1.0 1.3 kHz Lock range fL Refer to Measuring Circuit 1.9 2.5 kHz AFC output delay time td Refer to Measuring Circuit 0.3 0.7 1.1 µS AFC output pulse width PW Refer to Measuring Circuit 3.5 5.0 6.5 µS Power supply fluctuation of free-running frequency Free-running frequency temperature coefficient Capture range Min. Typ. Max. Units 7.0 4.9 5.0 0.2 4.9 10 V 0.4 5.0 0.2 14.5 mA V V 0.4 V 17.0 kHz Schmitt trigger (H) VthH Refer to Measuring Circuit 1.9 2.1 2.3 V threshold (L) VthL Refer to Measuring Circuit 1.1 1.3 1.5 V Sync separation level VSEPA Refer to Measuring Circuit 80 115 170 mV AFC off resistance RAFC Refer to Measuring Circuit 2.7 4.0 6.0 kΩ Sync Separator with AFC LVA519 MITSUMI Measuring Procedures Item Symbol Consumption current (Except where noted otherwise, Ta=25°C, VCC=5.0V, VIN=2.0VP-P) Switch state Measuring Procedures S1 S2 S3 S4 S5 Id B B A A A Connect a DC ammeter to VCC pin. Horizontal sync (H) VHH B A B B A Input standard color bar 2VP-P. output (L) VHL B A B B A Measure at TP5 Vertical sync (H) VVH B A B B A Input standard color bar 2VP-P. output (L) VVL B A B B A Measure at TP4. fO A B B B A Adjust VR1 and measure frequency at TP5. fO1 A B B B A fO2 A B B B A Free-running frequency setting range Power supply fluctuation of free-running frequency Free-running frequency temperature coefficient Capture range fC B/A A B B A Lock range fL B/A A B B A AFC output delay time td A/B A B B A AFC output pulse width Pw A/B A B B A B A B B A Schmitt trigger (H) VtHH threshold (L) VtHL Measuring Procedures Item Symbol Sync separation level With fo at 15.73kHz, vary Vcc between 4.0V~6.0V and measure at TP5. With fo at 15.73kHz, vary temperature between -20°C and 80°C and measure at TP5. Input standard color bar 2VP-P and measure at TP1 and TP5. 1 * * Input standard color bar 2V and measure at TP2 and TP5. 2 * Input standard color bar 2V and measure at TP5. 2 * Input standard color bar 2VP-P and measure at TP1 and TP5. 1 P-P P-P Measure at TP3 and TP4. (Except where noted otherwise, Ta=25°C, VCC=5.0V, VIN=2.0VP-P) Switch state S1 *3 S2 S3 S4 Measuring Procedures S5 Raise horizontal sync signal level of input standard VSEPA B A B B A color bar 2VP-P and measure the level when a signal is output at TP5. With Fo at 15.73kHz, vary Iafc, and determine AFC switching resistance RAFC B A B B B according to Iafc value when TP5 output signal switches to a composite signal, and TP6 voltage V6. RAFC=V6/IA1 Notes: 1 Capture range (fc) Vary VR1 between max min and min max with SW1, and for each lock make SW1 A and measure at TP5. * 15.73KHz fc1 fc2 Lock range (fL) Data : fC1 and fC2 smaller value With SW1 at B and locked, vary VR1 and when the lock is released, make SW1 A and measure at TP5. 15.73KHz fL1 fL2 Data : fL1 and fL2 smaller value Sync Separator with AFC LVA519 MITSUMI *2 output delay time (td) * AFC Set SW1 at A and adjust TP5 output to 15.73kHz. Then set SW1 to B and measure td from TP2 and TP5 waveforms. (specified at 50% of sync signal amplitude) TP2 50 100 * AFC output pulse width (Pw) Pw 50 TP5 Set SW1 at A and adjust TP5 output to 15.73kHz. Then set SW1 to B and measure Pw from TP5 waveform. (specified at 50% of sync signal amplitude) td *3 TP4 * Schmidt trigger threshold (VthH) (VthL) Measure VthH and VthL at TP3 and TP4. VthH VthL TP3 Measuring Circuit SIP-9A SOP-14A MITSUMI Application Circuits SIP-9A SOP-14A Sync Separator with AFC LVA519