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TDA3562-TDA3562A
PAL/NTSC ONE-CHIP DECODER
TDA3562A AL/NTSC ONE-CHIP DECODER
COLOR IDENTIFICATION
DETECTORCAPACITOR
PEAK DETECTOR CAPACITOR
CHROMINANCEINPUT
SATURATION CONTROL
CONTRASTCONTROL
SUPERSCANDLEINPUT
LUMINANCEINPUT
FASTBLANKING INPUT
CUT-OFFMEMORY (RED)
BRIGHTNESSCONTROL
RED EXTERNALINPUT
RED OUTPUT
BLUE EXTERNAL INPUT
BLUE OUTPUT
CATHODE CURRENT INPUT
LEAKAGECURRENT MEMORY
CUT-OFFMEMORY (BLUE)
CUT-OFFMEMORY (GREEN)
B-Y DEMODULATORINPUT
R-Y DEMODULATORINPUT
PHASE DETECTOROUTPUT
PHASE DETECTOROUTPUT
XTAL
GROUND
CHROMA OUTPUTVCC
PIN CONNECTIONS
DIP28(Plastic Package)
ORDER CODE: TDA3562A
.CHROMINANCE SIGNALPROCESSOR.LUMINANCE SIGNAL PROCESSING WITH
CLAMPING.HORIZONTAL AND VERTICAL BLANKING. LINEAR TRANSMISSION OF INSERTED
RGB SIGNALS.LINEAR CONTRAST AND BRIGHTNESS
CONTROL ACTING ON INSERTED AND MA-
TRIXED SIGNALS.AUTOMATIC CUT-OFF CONTROL.NTSC HUE CONTROL
DESCRIPTIONThe TDA3562Aisa monolithicIC designed as
decode PAL and/or NTSC colour television stand-
ards andit combinesall functions requiredfor the
identification and demodulationof PAL and NTSC
signals.
AMPLIFIER
B.L.
CLAMP 5
CONTROL
CHROMA
AMPLIFIER
AGC
PEAK
DETECTOR
COLOR
IDENTIFICATION
DETECTOR
PAL/NTSC
SWITCH
SANDCASTLE
DETECTOR
GATED
AMPLIFIER
SATURATION
CONTROL
F.E.
CORRECTION
KILLER
GENERATOR
BURST
DETECTOR
REFERENCE
PAL
(R-Y)
NTSC
(B-Y)
BUFFER
PAL
FLIP
FLOP
PAL
SWITCH
SHIFTNTSC
+12V
SUPER
SANDCASTLE
INPUT
B-Y
DEMODULATION
G-Y
MATRIX
R-Y
DEMODULATION
PHASE
DETECTOR
PAL
D.L.
BLUE
MATRIX
CONTRAST
BRIGHTNESSCONTROLS
B.L.
CLAMP
CHARACTERSINSERTION
GREEN-CHANNEL
RED-CHANNEL
VCO
SHIFT
CUT-OFF
CLAMP 15
CUT-OFFINPUT
SENSE
DATA
INPUT
DATA
SWITCH
CONTRAST
CONTROL
BRIGHTNESS
CONTROL
BLOCK DIAGRAM
TDA3562A
THERMAL DATA
Symbol Parameter Value UnitRth j-amb Thermal Resistance Junction-ambient Max 40 °C/W
3562A-02.TBL
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit Supply Voltage 13.2 V
Ptot Power Dissipationat Tamb =65°C 1.7 W
Tstg,Tj Storage and Junction Temperature –25, +150 °C
Tamb Ambient Temperature Range 0, +70 °C
3562A-01.TBL
ELECTRICAL CHARACTERISTICSTest conditions unless otherwise specified: Supply voltage, Pin1at 12V- Tamb =25°C
Input signals: Luminance input signal V8= 0.48 VPP (Composite video signal (100% white)
Chrominance inputsignal V4= 0.39 VPP (Colour bar signal with75% colour saturation
and chrominanceto burst ratio= 2.2:1)
Data input signals V12, 14,16= 1.4 VPP (Including neg.goingsync. pulse)
Control inputsat nominal value: Pin6 Nom. contrast= max. contrast– 5dB
Pin5 Nom. saturation= max. saturation–6 dB
Pin11 Nom. brightness= 2V, Pin9at 0.4V
Symbol Parameter Test Conditions Min. Typ. Max. UnitSUPPLY INPUT (pin1)
Supply Voltage Range 10.8 13.2 V
Supply Current V1=12V 80 110 mA
LUMINANCE INPUT (pin8)
Composite Input Signal 0.8 Vpp
Input Current 0.1 1 μA
CHROMINANCE INPUT (pin4)
Input Signal 40 1100 mVPP
Input Resistance 10 KΩ
Input Capacitance 6.5 pF
SUPER SANDCASTLE INPUT (pin7)
Gating& Clamping Level 7.5 V
H-pulse Separating Level 4 5 V
V-pulse Separating Level 2 3 V
Forbidded Range 1to2 V
Input Current V7=0to1V=1to 8.5V= 8.5to 12V 460
Delay Between Black Level Clamping Pulse and Gating
Pulse
0.6 μs
DATA BLANKING INPUT (pin9)
Input Voltageforno Data Insertion 0.4 V
Input Voltagefor Data Insertion 0.9 3 V
Input Resistance 7 13 kΩ
”BLACK CURRENT” STABILIZATION INPUT (pin18)C. Bias Voltage 3.5 5 7 V
TDA3562A
ELECTRICAL CHARACTERISTICS (continued)
Symbol Parameter Test Conditions Min. Typ. Max. Unit”BLACK CURRENT” STABILIZATION INPUT (pin18) (continued)
Difference between Input Voltagefor ”BlackCurrent”
andLeakage Current
0.5 V
Input Resistance during Scan 1.5 kΩ
Input Current during ”Black Current” Measurement 2 μA
Input Current during Scan 10 mA
RGB- OUTPUTS (Pins13, 15, 17)
Output Resistance 50 Ω
Current Source 2 3 mA
Peak Output Level 10.7 11.3 V
Residual4.4 MHzat RGB Outputs 100 mVpp
Residual8.8 MHzat RGB Outputs 150 mVpp
LUMINANCE CHANNEL
Frequency Resp.of Total Lumin. Amplifiers f=0to 5MHz –1 –3 dB
RGB Output Signal (blackto white) 3.5 4 4.5 Vpp
Relative Spreadof RGB- Output Signals 1 dB
Contrast Control Range (seefig.1) –5to10 dB
Tracking Over10dB Contrast Control 0 dB
Contrast Control Input Current 15 μA
Blanking Levelof RGB- Output Signals 1 1.2 V
Difference Between Blanking Levels, 0 mV
Differential Driftof Blanking Levels ΔT=40°C 0mV
Brightness Control Input Current 5 μA
Brightness Control Range (seefig.3) 1to3 V
Relation Ship between Black Level Variation and
Brightness Control Variation
(seefig.3) 1.3 V/V
Black Levelof RGB Output Signals (see note4) 3 V
Difference between Black Levels (see note4) 0 mV
Tracking Over Brightness Control 2 %
Differential Driftof Black Levels ΔT=40°C 20 mV
Driftof Black Level Versus10% Variationof Supply
Voltage and Contrast Control mV
”CUT OFF CURRENT” REGULATION
RGB Output Levelof the ”3L Windows” after Switch-
7.5 V
RGB Outputs Levelofthe ”3L Windows” afterCut
off Current Stabilization
(see note4) 1 3 5 V
RGB Output Range 1 5 V
Charge/Discharge Current during Measuring Time
(3L windows)at Pins10, 19,20 and21
1mA
Leakage Currents Flowing into Pins 10,20 and21
during Scan nA
RGB DATA INSERTION
Data RGB Output Signal V9= 0.9to3V 4 Vpp
Differential Amplitude Error between RGB Output
Signal and Data Output Signal %
Differential Error between Black Levelsof RGB
200 mV
TDA3562A
ELECTRICAL CHARACTERISTICS (continued)
Symbol Parameter Test Conditions Min. Typ. Max. UnitRGB DATA INSERTION (continued)
Rise Timeof Data Output Signal 50 80 ns
Differential Delay 0 40 ns
Attenuationof RGB Output Signal V9= 0.9to3V 46 dB
Frequency Responseforf=0to5 MHz –1 –3 dB
CHROMINANCE CHANNEL
Pin4 Chrominance Input Signal 40 1100 mVpp
Pin4 Input Resistance 10 kΩ
Pin4 Input Capacitance 6.5 pF
ACC Control Range 30 dB
PIn28 Burst Change Over30dB ACC Range 1 dB
Saturation Control Range (seefig.2) –446
Pin5 Sat. Control Input Current 20 μA
Pin28 Chrominance Output Voltage V5= 4.2V 4 Vpp
Burst Input Signalat Pins22 and23 100 mVpp
Input Resist. Bet. Pins22,23 and Ground 1 kΩ
Pin28 Phase Shift Bet. Burst and Chrom. Signal –5 0 5 °
Pin2 Voltageat Nom. Input Signal 4.7 V
Pin2 Voltage without Input Signal 2.6 V
Pin2 Identificaton-on Voltage 2.1 V
Pin2 Colour-off Voltage 3.4 V
Pin2 Colour-on Voltage 3.6 V
Pin3 Voltageat Nom. Input Signal 5.1 V
COLOUR DEMODULATORS AND G-Y MATRIX
Ratio (B-Y)/ (R-Y) 1.60 1.78 1.96
Ratio (G-Y)/ (R-Y) (B–Y)=0 – 0.46– 0.51– 0.56
Ratio (G-Y)/ (B-Y) (R–Y)=0 – 0.14– 0.19– 0.24
REFERENCE OSCILLATOR
Oscillator Frequency 2fcs MHz
Temp. Coefficientof Oscillator Frequency (see note5) –2 Hz/k
Pin26 Input Resistance 400 Ω
Pin26 Input Capacitance 10 pF
Pull-in Range (see note5) 500 700 Hz
Phase Shift for±400Hz Deviation 5 °C
Phase Shift between(R–Y) and(R–Y)
Ref.Signal °C
Phase Shift between(R–Y) and(B–Y)
Ref.Signal 90 95 °C
NTSC OPERATION
Pins24, 25 PAL-on Operating Range 9 11 V
Pins24, 25 Thresholdfor NTSC-on 8.8 V
J24 +J25 Avarage Output Current Key Pulse=4μs 90 μA
Hue Control ±30 °C
Pins24, 25 Hue Control Voltage 7.5 8.5 V
3562A-05.TBL
TDA3562A
123 4 50
G(%)
100 6-27 (V)
3562A-03.EPS
Figure1: ContrastControl Voltage Range
123 4 50
100G (%) 5-27 (V)
3562A-04.EPS
Figure2: SaturationControl Voltage Range 234 (V) 11-27 (V)
3562A-05.EPS
Figure3: Difference betweensignal black level
and measuring level (3L windows
after cutoff current stabilization) the RGB outputs (ΔV) versus
control voltage (V11 -V12). (deg)
7.5 8 8.5
-20 24-25-27 (V)
3562A-06.EPS
Figure4: Hue Control Voltage Range
TDA3562A
