NTE1550 Integrated Circuit TV Sync Signal Processor Functions: D Sync Separator D Horizontal Automatic Frequency Control (AFC) D Horizontal Oscillator D X−Ray Protector D Vertical Oscillator D Vertical Driver Features: D Fewer External Components D 10Vp−p Sync Separator Output D Voltage Regulator for Horizontal Supply Voltage D 7.5Hz/rad Horizontal AFC DC Loop Gain D Output Stage Positive Feedback Eliminated by Vertical Oscillator’s Astable Multivibrator D Vertical Oscillator Waveform used for Vertical Output Drive; Only One High−Stability (Tantalum) Capacitor Required for Vertical Stage D Vertical Output Stage Stabilized by DC Feedback to Pin3 D Vertical Linearity Adjustment can be Eliminated Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V Power Dissipation (TA = +75°C), PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Output Current (Pin2, Pin10, and Pin16), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to + 75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C Electrical Characteristics: Parameter Symbol Test Conditions Min Typ Max Unit − 12.8 − V − 15 − mA Line Circuitry Regulated Voltage V11 Supply Current ICC Free−Running Frequency foh Pull−In Range ∆fph ±450 ±650 − Hz fc 577.5 750 1070 Hz/µs Temperature Coefficient ∆foh −6.0 −3.0 0 Hz/°C Output Pulse Width thw 22.5 25.0 27.5 µs APC Loop Gain ICC = 15mA Rh = 12.6kΩ, Ch = 5.6nF Pin10 14,734 15,734 16,734 Hz Electrical Characteristics (Cont’d): Parameter Symbol Test Conditions Min Typ Max Unit 55 60 65 Hz Frame Circuitry Free−Running Frequency fov RV = 5.2kΩ Pull−In Range ∆fpv − −10 −7.5 Hz Temperature Coefficient ∆fov −0.03 0 +0.03 Hz/°C Sync Separator Input Voltage Peak−to−Peak Value V15 Negative−Going Sync 0.2 − − V Output Voltage Vsy Peak−to−Peak Value 8.0 10.0 − V Output Pulse Width tsy Pin16 4.5 5.0 5.5 µs Pin Connection Diagram Sync Sep Feedback 17 16 Vert Sync/ Video Output 15 Video Input 14 Phase Det Output Vert Compensation 1 Vert Drive Output 2 Vert Feedback 3 Vert Size 4 13 Flyback Pulse Vert Filter 5 12 Horiz Hold Vert VCC 6 11 Horiz VCC 10 Horiz Output Vert Sync Input 7 9 Hold Down Vert Hold 8 GND 18 1.007 (25.5) Max .964 (24.4) 18 8 1 17 .248 (6.3) 9 .291 (7.4) Max 16 .200 (5.08) .252 (6.4) .188 (4.77) .100 (2.54) Typ 15°