free download

File name tda2593.pdf

TDA2593 SYNCHRO AND HORIZONTAL DEFLECTION CONTROL FOR COLOR TV SET . . . . . . . . . . . . LINE OSCILLATOR (two levels switching) PHASE COMPARISON BETWEEN SYNCHRO-PULSE AND OSCILLATOR VOLTAGE Ш 1, ENABLED BY AN INTERNAL PULSE, (better parasitic immunity) PHASE COMPARISON BETWEEN THE FLYBACK PULSES AND THE OSCILLATOR VOLTAGE Ш 2 COINCIDENCE DETECTOR PROVIDING A LARGE HOLD-IN-RANGE FILTER CHARACTERISTICS AND GATE SWITCHING FOR VIDEO RECORDER APPLICATION NOISE GATED SYNCHRO SEPARATOR FRAME PULSE SEPARATOR BLANKING AND SAND CASTLE OUTPUT PULSES HORIZONTAL POWER STAGE PHASE LAGGING CIRCUIT SWITCHING OF CONTROL OUTPUT PULSE WIDTH SEPARATED SUPPLY VOLTAGE OUTPUT STAGE ALLOWING DIRECT DRIVE OF SCR'S CIRCUIT SECURITY CIRCUIT MAKES THE OUTPUT PULSE SUPPRESSED WHEN LOW SUPPLY VOLTAGE DESCRIPTION The TDA2593 is a circuit intended for the horizontal deflectionof color TV sets, suppliedwith transistors or SCR'S. DIP16 (Plastic Package) ORDER CODE : TDA2593 PIN CONNECTIONS SUPPLY VOLTAGE OUTPUT STAGE SUPPLY VOLTAGE OUTPUT PULSE SELECTION OF OUTPUT PULSE DURATION DECOUPLING REFERENCE PULSE (flyback) FOR THE 2nd PHASE COMPARATOR SAND CASTLE PULSE VERTICAL SYNCHRO OUTPUT 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 GROUND ADJUSTMENT OF THE CHARGE CURRENT RAMP OSCILLATOR CAPACITANCE FIRST PHASE COMPARATOR OUTPUT TIME CONSTANT SWITCHING V.C.R. SWITCHING NOISE SEPARATOR INPUT 2593-01.EPS SYNCHRO SEPARATOR INPUT September 1993 1/6 TDA2593 MAIN CHARACTERISTICS Symbol V(1­16) I(1) INPUT SIGNALS V(9­16) (pp) V(10-16) (pp) V(4­16) V(4­16) V(4­16) Synchro Separator Input Voltage Noise Separators Input Voltage Control Voltage of the Output Pulse Switching Circuit t = 7 µs (thyristor) t = 14 µs + td (transistor) t = 0 (V(3­16) = 0) 3 to 4 3 to 4 9.4 to V(1­16) 0 to 3.5 5.4 to 5.6 V V V V V Supply Voltage Supply Current Parameter Typ. 12 30 Unit V mA OUTPUT SIGNALS V(7­16) (pp) V(3­16) (pp) Sandcastle Pulse Horizontal Driver Stage Control Pulse 11 10.5 V V 2593-01.TBL 2593-03.TBL 2593-02.TBL V(8­16) (pp) Frame Synchro Pulse 11 V ABSOLUTE MAXIMUM RATINGS (Maximum Ratings according to CEI 134 Datasheet) Symbol V(1­16) V(2­16) V(4­16) V(9­16) V(10­16) V(11­16) I2M = -I3M I2M = I3M I(4) I(6) I(7) I(11) Ptot Toper Tstg Supply Voltage to Pin 1 Supply Voltage to Pin 2 Voltage to Pin 4 Voltage to Pin 9 Voltage to Pin 10 Voltage to Pin 11 Current ai Pins 2 and 3 (with thyristor) Current ai Pins 2 and 3 (with transistor) Current to Pin 4 Current to Pin 6 Current to Pin 7 Current to Pin 11 Power Dissipation Operating Ambient Temperature Storage Temperature Parameter Value 13.2 18 13.2 ±6 ±6 13.2 650 400 1 ±10 -10 2 800 -20, +70 -25, +125 Unit V V V V V V mA mA mA mA mA mA mW o o C C ELECTRICAL OPERATING CHARACTERISTICS (Tamb = 25oC, V1­V16 = 12V , unless otherwise specified) Symbol Parameter Input Signals Synchro Separator (Pin 9) Input Threshold Voltage Input Threshold Current On-state Input Current Disconnect Input Current Off-state Input Current (V9­16 = ­ 5V) Video In