SGS Thomson Microelectronics TDA3562A Datasheet
.
CHROMINANCE SIGNALPROCESSOR
.
LUMINANCE SIGNAL PROCESSING WITH
CLAMPING
.
HORIZONTALANDVERTICALBLANKING
.
LINEAR TRANSMISSION OF INSERTED
RGB SIGNALS
.
LINEAR CONTRAST AND BRIGHTNESS
CONTROLACTING ON INSERTED AND MATRIXEDSIGNALS
.
AUTOMATICCUT-OFF CONTROL
.
NTSCHUE CONTROL
TDA3562A
PAL/NTSC ONE-CHIPDECODER
DIP28
(Plastic Package)
DESCRIPTION
The TDA3562A is a monolithic IC designed as
decode PALand/or NTSC colour television standards and it combines all functions required for the
identificationand demodulationof PALand NTSC
signals.
PINCONNECTIONS
COLOR IDENTIFICATION
CC
DETECTORCAPACITOR
PEAK DETECTORCAPACITOR
CHROMINANCEINPUT
SATURATION CONTROL
CONTRASTCONTROL
SUPERSCANDLEINPUT
LUMINANCEINPUT
FAST BLANKINGINPUT
CUT-OFFMEMORY(RED)
BRIGHTNESSCONTROL
RED EXTERNALINPUT
RED OUTPUT
1
2
3
4
5
6
7
8
9
10
11
12
13
28
27
26
25
24
23
22
21
20
19
18
17
16
ORDER CODE : TDA3562A
CHROMA OUTPUTV
GROUND
XTAL
PHASE DETECTOR OUTPUT
PHASE DETECTOR OUTPUT
R-Y DEMODULATORINPUT
B-Y DEMODULATORINPUT
CUT-OFFMEMORY (GREEN)
CUT-OFFMEMORY(BLUE)
LEAKAGECURRENT MEMORY
CATHODE CURRENT INPUT
BLUE OUTPUT
BLUE EXTERNAL INPUT
June 1993
GREEN EXTERNAL INPUT GREEN OUTPUT
14
15
3562A-01.EPS
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TDA3562A
BLOCK DIAGRAM
CONTROL
BRIGHTNESS
CONTROL
CONTRAST
DATA
SWITCH
DATAINPUT
RG B
64µs
PALD.L.
R
20
17 B
116
BLUEMATRIXCONTRAST
CHARACTERSINSERTION
BRIGHTNESSCONTROLSB.L.CLAMP
12 14 16 9
B-Y
DEMODULATION
21
15 G
GREEN-CHANNEL
G-Y
MATRIX
10
13
RED-CHANNEL
R-Y
DEMODULATION
CUT-OFF
INPUTSENSE
18
CLAMP
CUT-OFF
VCO
90° SHIFT
PHASE
DETECTOR
1926
2/9
28 23 22
71
INPUT
SUPER
SANDCASTLE
+12V
DETECTOR
SANDCASTLE
B.L.CLAMP
Y AMPLIFIER
5
CONTROL
SATURATION
Y INPUT 6
BUFFER
CONTROL
SATURATION
GATEDAMPLIFIER
AMPLIFIER
CONTROLCHROMA
4
INPUT
CHANEL
PAL
FLIPFLOP
KILLER
GENERATOR
F.E.CORRECTION
AGCPEAK
DETECTOR
3
PAL
SWITCH
BURST
DETECTOR
COLOR
DETECTOR
IDENTIFICATION
2
NTSC
SHIFT
PAL(R-Y)
NTSC(B-Y)
REFERENCE
SWITCH
PAL/NTSC
27 23 24
3562A-02.EPS
TDA3562A
ABSOLUTE MAXIMUMRATINGS
Symbol Parameter Value Unit
V
S
P
tot
T
stg,Tj
T
amb
THERMALDATA
Symbol Parameter Value Unit
R
th j-amb
ELECTRICALCHARACTERISTICS
Test conditions unless otherwise specified: Supplyvoltage,Pin 1 at 12 V - T
Inputsignals : Luminance input signal V
Controlinputs at nominalvalue : Pin 6 Nom. contrast = max. contrast– 5dB
Symbol Parameter Test Conditions Min. Typ. Max. Unit
SUPPLY INPUT (pin 1)
LUMINANCE INPUT (pin 8)
CHROMINANCE INPUT (pin 4)
SUPER SANDCASTLE INPUT (pin7)
DATA BLANKING INPUT (pin 9)
”BLACK CURRENT” STABILIZATION INPUT (pin 18)
Supply Voltage 13.2 V
Power Dissipation at T
amb
=65°C
1.7 W
Storage and Junction Temperature – 25, +150 °
Ambient TemperatureRange 0, +70 °
Thermal Resistance Junction-ambient Max 40 °
=25°C
amb
= 0.48 VPP(Compositevideo signal(100 % white)
Chrominanceinputsignal V
8
= 0.39 VPP(Colourbar signalwith 75 % coloursaturation
4
and chrominance to burst ratio = 2.2 : 1)
Datainput signals V
12, 14, 16
=1.4 VPP(Includingneg.goingsync.pulse)
Pin 5 Nom.saturation = max. saturation– 6 dB
Pin 11 Nom. brightness = 2V,Pin 9 at 0.4 V
Supply Voltage Range 10.8 13.2 V
Supply Current V
Composite Input Signal 0.8 V
Input Current 0.1 1
Input Signal 40 1100 mV
Input Resistance 10
Input Capacitance 6.5 pF
Gating & Clamping Level 7.5 V
H-pulse Separating Level 4 5 V
V-pulse Separating Level 2 3 V
Forbidded Range 1 to 2 V
Input Current V
Delay Between Black Level Clamping Pulse and Gating
Pulse
Input Voltage forno Data Insertion 0.4 V
Input Voltage forData Insertion 0.9 3 V
Input Resistance 7 13
D. C. Bias Voltage 3.5 5 7 V
Internal Limiting Threshold 9 V
Switching Threshold for ”Black Current” ON 8 V
= 12 V 80 110 mA
1
= 0 to 1V
7
= 1 to 8.5V
V
7
= 8.5 to 12V
V
7
– 460
50
2
0.6 µ
C
C
C/W
pp
µA
KΩ
µA
µA
mA
s
kΩ
3562A-01.TBL
3562A-02.TBL
PP
3562A-03.TBL
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