TDA2593.PDF

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SYNCHRO AND HORIZONTAL DEFLECTION CONTROL FOR COLOR TV SET
TDA2593
SYNCHRO AND HORIZONTAL DEFLECTION
CONTROL FOR COLOR TV SET
. LINE OSCILLATOR (two levels switching)
. PHASE COMPARISON BETWEEN SYN-
CHRO-PULSE AND OSCILLATOR VOLTAGE
Ø 1, ENABLED BY AN INTERNAL PULSE,
(better parasitic immunity)
DESCRIPTION
The TDA2593 is a circuit intended for the horizontal
deflection of color TV sets, suppliedwith transistors
or SCR’S.
. PHASE COMPARISON BETWEEN THE FLY-
BACK PULSES AND THE OSCILLATOR VOL-
TAGE Ø 2
. FILTER CHARACTERISTICS AND GATE
SWITCHING FOR VIDEO RECORDER AP-
PLICATION
. BLANKING AND SAND CASTLE OUTPUT
PULSES
. HORIZONTAL POWER STAGE PHASE LAG-
GING CIRCUIT
. SWITCHING OF CONTROL OUTPUT PULSE
WIDTH
. SEPARATED SUPPLY VOLTAGE OUTPUT
STAGE ALLOWING DIRECT DRIVE OF
SCR’S CIRCUIT
DIP16
(Plastic Package)
ORDER CODE : TDA2593
. SECURITY CIRCUIT MAKES THE OUTPUT
PULSE SUPPRESSED WHEN LOW SUPPLY
VOLTAGE
PIN CONNECTIONS
SUPPLY VOLTAGE
1
16
GROUND
OUTPUT STAGE SUPPLY VOLTAGE
2
15
ADJUSTMENT OF THE CHARGE CURRENT
OUTPUT PULSE
3
14
RAMP OSCILLATOR CAPACITANCE
SELECTION OF OUTPUT PULSE DURATION
4
13
FIRST PHASE COMPARATOR OUTPUT
DECOUPLING
REFERENCE PULSE (flyback) FOR
THE 2nd PHASE COMPARATOR
SAND CASTLE PULSE
5
12
TIME CONSTANT SWITCHING
6
11
V.C.R. SWITCHING
7
10
NOISE SEPARATOR INPUT
VERTICAL SYNCHRO OUTPUT
8
9
SYNCHRO SEPARATOR INPUT
September 1993
1/6
. COINCIDENCE DETECTOR PROVIDING A
LARGE HOLD-IN-RANGE
. FRAME PULSE SEPARATOR
. NOISE GATED SYNCHRO SEPARATOR
11044832.002.png
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)
Control Voltage of the Output Pulse Switching Circuit
t=7
s (thyristor)
9.4 to V(1–16)
0 to 3.5
5.4 to 5.6
V
V
V
s+t d (transistor)
t = 0 (V(3–16) = 0)
m
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
ABSOLUTE MAXIMUM RATINGS (Maximum Ratings according to CEI 134 Datasheet)
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
±
6
V
V(10–16)
Voltage to Pin 10
±
6
V
V(11–16)
Voltage to Pin 11
13.2
V
I 2M =-I 3M
Current ai Pins 2 and 3 (with thyristor)
650
mA
I 2M =I 3M
Current ai Pins 2 and 3 (with transistor)
400
mA
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
Power Dissipation
800
mW
T oper
Operating Ambient Temperature
-20, +70
o C
T stg
Storage Temperature
-25, +125
o C
ELECTRICAL OPERATING CHARACTERISTICS
(T amb =25 o C, V 1 –V 16 = 12V , unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
V 9–16
Input Signals
Synchro Separator (Pin 9)
Input Threshold Voltage
0.8
V
I 9
Input Threshold Current
5
m
A
I 9
On-state Input Current
5 to 100
m
A
I 9
Disconnect Input Current
100
150
m
A
I 9
Off-state Input Current (V 9–16 = – 5V)
– 1
m
A
V 9
Video Input Signal (positive synchro pulses) (note 1)
3 to 4
V PP
V 10–16
Noise Separator (Pin 10)
Input Threshold Voltage
1.4
V
Note : 1. Allowed range 1 to 7V
2/6
m
t=14
11044832.003.png
TDA2593
ELECTRICAL OPERATING CHARACTERISTICS
(T amb =25 o C, V 1 –V 16 = 12V , unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max. Unit
I 10
Input Threshold Current
100
150
m
A
I 10
Input Current
5 to 100
m
A
I 10
Off-state Input Current (V 10–16 = – 5V)
– 1
m
A
V 10
Video Input Signal (positive synchro pulses) (note 1)
3 to 4
V PP
V 10
Allowed superimposed parasitic signal
7
V
V 6–16
Fly-back Pulse (Pin 6)
Input Threshold Voltage
1.4
V
V 6
Input Limitation Level
–0.7 and +1.4
V
I 6
Input Current
0.01
1
2
mA
V 4–16
Output Pulse Width Control Switch (Pin 4)
Input Voltage
t = 7
m
s (thyristor)
9.4 to V 1–16
0 to 3.5
5.4 to 6.6
V
V
V
s+t d (transistor)
t=0(V 3–16 = 0) (note 2)
m
I(4)
Input Current
t = 7
m
s (thyristor)
200
200
m
A
s+t j (transistor)
t=0(V 3–16 =0)
m
m
A
0
m
A
V 11–16
Video Recorder Switch (Pin 11)
Input Voltage
(Pin 11 low level)
(Pin 11 to + V CC )
0 to 2.5
9toV 1–16
V
V
I 11
Input Current
(Pin 11 low level)
(Pin 11 to + V CC )
200
2
A
mA
V 8–16
Output Signals
Frame Synchro Pulses (positive) (Pin 8)
Output Voltage (peak value)
10
11
V
R 8
Output Impedance
2
k
W
t on
Delay Between Leading Edge of Input Signal and Leading Edge of
Output Signal
15
m
s
t off
Delay Between Trailing Edge of Input Signal and Trailing Edge of
Output Signal
15
m
s
SANDCASTLE PULSE (POSITIVE) (PIN 7)
V 7–16
Output Voltage (peak valve)
10
11
V
R 7
Output Impedance
70
W
I 7
Output Current During Trailing Edge
2
mA
t 7
Sandcastle Pulse Width (V 7 = 7 V)
3.7
4.3
m
s
D
t
Phase Between Middle Input Synchro Pulse and Leading Edge of
Sandcastle Pulse (V 7 =7V)
2.15
3.15
m
s
FLY-BACK BLANKING PULSE (PIN 7)
V 7–16
Output Voltage (peak value)
4
5
V
R 7
Output Impedance
70
W
I 7
Output Current During Trailing Edge
2
mA
CONTROL PULSE FOR HORIZONT AL DRIVER (POSITIVE) (PIN 3)
V 3–16
Output Voltage (peak value)
10.5
V
R 3
Output Impedance
(leading edge)
(trailing edge)
2.5
20
W
W
t 3
t 3
Control Pulse Width V 4 = 9.4 to V 1–16
V 4 = 0 to 4V (note 3)
5.5
8.5
m
s
14 + t c
m
s
V 1–16
Control pulse is disabled for
4
V
Notes : 1. Allowed range 1 to 7V
2. Or Pin 4 not connected.
3. With t r =12
m
3/6
t=14
t=14
m
s
11044832.004.png
TDA2593
ELECTRICAL OPERATING CHARACTERISTICS (contined)
(T amb =25 o C, V 1 –V 16 = 12V , unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
OVERALL PHASE RELATION SHIP
t z
Phrase Between Middle Synchro Pulse and Middle Fly-back
Pulse (t r =12
1.9
3.3
m
s
m
s, note 4
D
I/
D
t
Sensitivity to Current Adjust
30
m
A/
m
s
OSCILLATOR (PINS 14 AND 15)
V 14–16
Threshold Voltage
(low level)
(high level)
4.4
7.6
V
V
I 14
Current Generator
±
0.47
mA
f
Free Running Frequency (C osc = 4700pF, R osc = 12k
W
15625
Hz
D
f
Tolerance on Frequency (note 5)
±
5
%
D
f/15
Frequence Control Sensitivity
31
Hz/
m
A
D
f
Spread of Frequency
±
10
%
D
f/f
nfluence of Supply Voltage on Frequency (note 5)
±
0.05
%
D
V/V nom.
D
f
Frequency change when decreasing the supply down to 5 V
(V 1–16 = 5V, note 5)
±
10
%
10 –4
T
Frequency Temperature Coefficient (note 5)
±
Hz/
°
C
PHASE COMPARATOR ø 1 (PIN 13)
V 13–16
Control Voltage Range
3.8 to 8.2
V
I 13
Control Current (peak value)
±
1.9 to
±
2.3
mA
I 13
Off-state Current (V 13–16 = 4 to 8 V)
– 1
m
A
R 13
Output Impedance
(V 13–16 = 4 to 8 V, note 6)
(V 13–16 < 3.8 V cr > 8.2 V, note 7)
High
Low
Control Sensibility
2
kHz/
m
s
D
f
Catching and Holding Range
±
780
Hz
D
f/f
Catching and Holding Range Tolerance (note 5)
±
10
%
PHASE COMPARATOR
f
2 AND PHASE-SHIFT (PIN 5)
V 5–16
Control Voltage Range
5.4 to 7.6
V
I 5
Control Current (peak value)
±
1
mA
I 5
Off-state Output Current (V 5–16 = 5.4 to 7.6 V)
– 5
m
A
R 5
Output Impedance
(V 5–16 = 5.4 to 7.6 V, note 6)
(V 5–16 < 5.4 V or > 7.6 V)
High
8
k
W
t d
Max. delay Between Output Pulse Leading Edge
and Fly-back Pulse Trailing Edge (t r =12
m
s)
15
m
s
D
t /
D
t d
Static Control Error
0.2
%
COÏNCIDENCE DETECTOR (PIN 11)
V 11–16
Output Voltage
0.5 to 6
V
I 11
Output Current
(without coïncidence)
(with coïncidence)
0.1
– 0.5
mA
mA
TIME CONSTANT SWITCH (PIN 12)
V 12–16
Output Voltage
6
V
I 12
Output Current
±
1
mA
R 12
Output Impedance
(V 11–16 = 2.5 to 7 V)
(V 11–16 < 1.5 or > 9 V)
100
60
k
W
PULSE GENERATOR (INTERNAL)
t
Pulse Width
7.5
m
s
Notes : 4. The adjustement of overall phase relation (and output pulse leading edge position) is automatically performed by phase
comparator Ø 2. If additional adjustement is needed, a current have to be imposed at pin 5.
5. Tolerance of peripheral components not included.
6. Current generator.
7. Emitter-follower
4/6
)
11044832.005.png
Frame Synchro
Output Pulse
Blanking and Sandcastle
Output Pulse
Flyback
Pulse
Pulse width
A
PLL1
PLL2 : Phase locked loop 2 (with power stage)
Tc Line
Driver
7 m s
11V
10V
4V
0
50V
6V
0
+12V
47k W
14 m s
+td
12 W
(15 W )
10 W
A
8
7
6
5
4
3
2
1
PLL2
OUTPUT
FRAME
PULSE
BURST AND
BLANKING
GENERATOR STAGE
PHASE
COMPARATOR 2
PHASE
ADVANCING
OUTPUT PULSE
DURATION
SELECTOR
OUTPUT
STAGE
INHIBIT FOR
V
4V
V
FRAME
SEPARATOR
GATE (SH-SV)
SYNCHRO
MODE SWITCH
GATE (SH-SV-G)
G
OUTPUT
PULSE
GENERATOR
SYNCHRO-GATE
PULSE GENERATOR
H
PLL1
SYNCHRO
SEPARATOR
NOISE
SEPARATOR
COINCIDENCE
DETECTOR
TIME CONSTANT
SWITCH
PHASE
COMPARATOR 1
VOLTAGE
LIMITE GATE
OSCILLATOR
VIDEO
INPUT
9
10
11
12
13
14
15
16
1.2k W
82k W
120k W
or
0.47 m F
6.8nF
1.8M W
47 m F
3.3k W
4.7nF
2%
Stiroflex
12k W
2%
V CR
1.5k W
0.47 m F
2.2M W
10nF
0.68 m F
A
100pF
2593-02.EPS
: Phase locked loop 1
1
11044832.001.png

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