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TDA3562A PAL/NTSC ONE-CHIP DECODER . . . . . . . CHROMINANCE SIGNAL PROCESSOR LUMINANCE SIGNAL PROCESSING WITH CLAMPING HORIZONTAL AND VERTICAL BLANKING LINEAR TRANSMISSION OF INSERTED RGB SIGNALS LINEAR CONTRAST AND BRIGHTNESS CONTROL ACTING ON INSERTED AND MATRIXED SIGNALS AUTOMATIC CUT-OFF CONTROL NTSC HUE CONTROL DIP28 (Plastic Package) DESCRIPTION The TDA3562A is a monolithic IC designed as decode PAL and/or NTSC colour television standards and it combines all functions required for the identification and demodulation of PAL and NTSC signals. PIN CONNECTIONS V CC COLOR IDENTIFICATION DETECTOR CAPACITOR PEAK DETECTOR CAPACITOR CHROMINANCE INPUT SATURATION CONTROL CONTRAST CONTROL SUPERSCANDLE INPUT LUMINANCE INPUT FAST BLANKING INPUT CUT-OFF MEMORY (RED) BRIGHTNESS CONTROL RED EXTERNAL INPUT RED OUTPUT GREEN EXTERNAL INPUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 ORDER CODE : TDA3562A CHROMA OUTPUT GROUND XTAL PHASE DETECTOR OUTPUT PHASE DETECTOR OUTPUT R-Y DEMODULATOR INPUT B-Y DEMODULATOR INPUT CUT-OFF MEMORY (GREEN) CUT-OFF MEMORY (BLUE) LEAKAGE CURRENT MEMORY CATHODE CURRENT INPUT BLUE OUTPUT 3562A-01.EPS BLUE EXTERNAL INPUT GREEN OUTPUT June 1993 1/9 2/9 TDA3562A BLOCK DIAGRAM 64µs PAL D.L. DATA INPUT DATA +12V 28 23 22 12 14 16 9 6 11 R G B SWITCH CONTRAST CONTROL BRIGHTNESS CONTROL 1 SUPER SANDCASTLE INPUT 7 17 B 20 Y INPUT 6 Y AMPLIFIER B.L. CLAMP SANDCASTLE DETECTOR B-Y DEMODULATION BLUE MATRIXCONTRAST BRIGHTNESSCONTROLSB.L. CLAMP CHARACTERSINSERTION SATURATION 5 CONTROL 15 G GREEN-CHANNEL 21 CHANEL INPUT BUFFER 4 CONTROLCHROMA AMPLIFIER G-Y MATRIX GATEDAMPLIFIER SATURATION CONTROL 3 R-Y DEMODULATION BURST DETECTOR PAL SWITCH AGC PEAK DETECTOR F.E. CORRECTION KILLER GENERATOR PAL FLIP FLOP 13 R RED-CHANNEL 10 2 COLOR IDENTIFICATION DETECTOR PAL/NTSC SWITCH REFERENCE PAL (R-Y) NTSC (B-Y) SHIFT NTSC PHASE DETECTOR VCO 90° SHIFT CUT-OFF CLAMP 18 CUT-OFF INPUT SENSE 27 23 24 26 19 3562A-02.EPS TDA3562A ABSOLUTE MAXIMUM RATINGS Symbol VS Ptot Tstg, Tj Tamb Parameter Supply Voltage Power Dissipation at Tamb = 65 °C Storage and Junction Temperature Ambient Temperature Range Value 13.2 1.7 ­ 25, +150 0, +70 Unit V W °C °C Symbol R th j-amb Parameter Thermal Resistance Junction-ambient Max Value 40 Unit °C/W ELECTRICAL CHARACTERISTICS Test conditions unless otherwise specified : Supply voltage, Pin 1 at 12 V - Tamb = 25 °C Input signals : Luminance input signal V8 = 0.48 VPP (Composite video signal (100 % white) Chrominance input signal V4 = 0.39 VPP (Colour bar signal with 75 % colour saturation and chrominance to burst ratio = 2.2 : 1) Data input signals V12, 14, 16 = 1.4 VPP (Including neg.going sync. pulse) Control inputs at nominal value : Pin 6 Nom. contrast = max. contrast ­ 5dB Pin 5 Nom. saturation = max. saturation ­ 6 dB Pin 11 Nom. brightness = 2V, Pin 9 at 0.4 V Symbol SUPPLY INPUT (pin 1) Supply Voltage Range Supply Current LUMINANCE INPUT (p