TDA4433
TV SIGNALIDENTIFICATIONCIRCUITAND AFC INTERFACE
.
IDENTIFICATION OF TRUE TV STATIONS
ONLY
.
LOW IMPEDANCE OUTPUT OF THE IDENTIFICATIONSIGNAL
.
DIGITAL CONTROL SIGNAL FOR AUTOMATIC SEARCHAND AFCOPERATION
.
THERMAL COMPENSATION OF THE VOLTAGEREGULATOR
DIP14
(Plastic Package)
DESCRIPTION
The TDA4433 is a monolithicintegratedcircuitin a
14 lead dual-in-line plastic package. It integrates
the followingfunctions:
- TV signalidentificator-Sync.separator- Thresholddetector- DigitalInterface- Voltageregulator.
PINCONNECTIONS
V
OUTPUT A
AFC ”S” CURVEINPUT
STABILIZED VOLTAGE OUT
IDENTIFICATION TIME CONSTANT
OUTPUT B
N.C.
1
S
2
3
4
5
6
7
14
13
12
11
10
ORDER CODE : TDA4433
GND
VIDEO SIGNAL INPUT
H FLYBACKINPUT
SENSITIVITY CONTROL
IDENTIFICATION SIGNAL OUTPUT
9
N.C.
8
N.C.
December 1992
4433-01.EPS
1/5
TDA4433
BLOCK DIAGRAM
* Open collectoroutputs
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
V
I
6;I2
I
I
I
P
T
stg,Tj
13
10
11
12
tot
Supply Voltage(pin 1) 16 V
s
Voltage at Pin 3 16 V
3
Voltage at Pin 13 –5, + 6 V
Pin 6 and Pin 2 Current 1 mA
Pin 10Current 2 mA
Pin 11Current 2 mA
Pin 12Current ±
Total Power Dissipation at T
amb
≤ 70 °C
2
800 mW
Storage and Junction Temperature – 40,+150 °
THERMALDATA
Symbol Parameter Value Unit
R
th j-amb
Thermal Resistance Junction-ambient Max. 100 °
ELECTRICALCHARACTERISTICS
(refer to the testcircuit; V
=12V, T
S
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
I
s
V
V
Supply VoltageRange (pin 1) 10.8 14.5 V
s
Supply Current (pin 1) Vs= 14.5 V 30 mA
Output Voltage f
2
Output Voltage f
6
=25 °C, unlessotherwisespecified)
amb
<foI2= 1 mA Vs– 0.5 V
tuning
f
tuning=fo
f
tuning>fo
tuning<foI6
f
tuning=foI6
f
tuning>fo
= 1 mA 0.8 V
= 1 mA 0.8 V
0.8 V
0.8 V
Vs– 0.5 V
mA
C
C/W
4433-02.EPS
4433-01.TBL
4433-02.TBL
4433-03.TBL
2/5