SYNCHRO AND HORIZONTALDEFLECTION
.
LINE OSCILLATOR(two levels switching)
.
PHASE COMPARISON BETWEEN SYNCHRO-PULSE AND OSCILLATOR VOLTAGE
Ø 1, ENABLED BY AN INTERNAL PULSE,
(better parasiticimmunity)
.
PHASE COMPARISON BETWEEN THE FLYBACK PULSESAND THE OSCILLATOR VOLTAGE Ø 2
.
COINCIDENCE DETECTOR PROVIDING A
LARGEHOLD-IN-RANGE
.
FILTER CHARACTERISTICS AND GATE
SWITCHING FOR VIDEO RECORDER APPLICATION
.
NOISEGATED SYNCHROSEPARATOR
.
FRAMEPULSE 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’SCIRCUIT
.
SECURITY CIRCUIT MAKES THE OUTPUT
PULSE SUPPRESSED WHEN LOW SUPPLY
VOLTAGE
TDA2593
CONTROLFOR COLOR TV SET
DESCRIPTION
TheTDA2593isacircuitintendedforthehorizontal
deflectionofcolorTV sets,suppliedwithtransistors
or SCR’S.
DIP16
(Plastic Package)
ORDER CODE : TDA2593
PINCONNECTIONS
SUPPLYVOLTAGE
OUTPUT STAGESUPPLY VOLTAGE
OUTPUTPULSE
SELECTIONOF OUTPUTPULSE DURATION
DECOUPLING
REFERENCEPULSE (flyback) FOR
THE2nd PHASE COMPARATOR
SANDCASTLE PULSE
VERTICAL SYNCHROOUTPUT
September 1993
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
GROUND
ADJUSTMENTOF THE CHARGECURRENT
RAMP OSCILLATORCAPACITANCE
FIRST PHASE COMPARATOROUTPUT
TIME CONSTANT SWITCHING
V.C.R. SWITCHING
NOISE SEPARATORINPUT
9
SYNCHRO SEPARATOR INPUT
2593-01.EPS
1/6
TDA2593
MAIN CHARACTERISTICS
Symbol Parameter Typ. Unit
V(1–16) Supply Voltage 12 V
I(1) Supply Current 30 mA
INPUT SIGNALS
V(9–16)(pp) Synchro Separator Input Voltage 3 to 4 V
V(10-16) (pp) Noise Separators Input Voltage 3 to 4 V
V(4–16)
V(4–16)
V(4–16)
OUTPUT SIGNALS
V(8–16)(pp) Frame Synchro Pulse 11 V
V(7–16)(pp) Sandcastle Pulse 11 V
V(3–16)(pp) Horizontal Driver Stage Control Pulse 10.5 V
ABSOLUTEMAXIMUM RATINGS (MaximumRatings according to CEI 134Datasheet)
Symbol Parameter Value Unit
V(1–16) Supply Voltage to Pin 1 13.2 V
V(2–16) Supply Voltage to Pin 2 18 V
V(4–16) Voltage to Pin 4 13.2 V
V(9–16) Voltage to Pin 9 ±6V
V(10–16) Voltage to Pin 10 ±6V
V(11–16) Voltage to Pin 11 13.2 V
=-I
I
2M
I
2M=I3M
I(4) Current to Pin 4 1 mA
I(6) Current to Pin 6 ±10 mA
I(7) Current to Pin 7 -10 mA
I(11) Current to Pin 11 2 mA
P
tot
T
oper
T
stg
Control Voltage of the Output Pulse Switching Circuit
t=7µs (thyristor)
t=14µs+t
t = 0 (V(3–16)= 0)
Current ai Pins 2 and 3 (with thyristor) 650 mA
3M
(transistor)
d
9.4 to V(1–16)
0 to 3.5
5.4 to 5.6
Current ai Pins 2 and 3 (withtransistor) 400 mA
Power Dissipation 800 mW
Operating Ambient Temperature -20,+70
Storage Temperature -25, +125
V
V
V
2593-01.TBL
o
C
o
C
2593-02.TBL
ELECTRICALOPERATINGCHARACTERISTICS
=25oC, V1–V16= 12V, unless otherwisespecified)
(T
amb
Symbol Parameter Min. Typ. Max. Unit
Input Signals
V
9–16
I
9
I
9
I
9
I
9
V
9
V
10–16
Note : 1.Allowed range 1 to 7V
2/6
Synchro Separator (Pin 9)
Input Threshold Voltage 0.8 V
Input Threshold Current 5 µA
On-state Input Current 5 to 100 µA
Disconnect Input Current 100 150 µA
Off-state Input Current (V
= – 5V) – 1 µA
9–16
Video Input Signal(positive synchro pulses) (note 1) 3 to 4 V
Noise Separator (Pin10)
Input Threshold Voltage 1.4 V
PP
2593-03.TBL