TDA1180P.PDF
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TV HORIZONTAL PROCESSOR
TDA1180P
TV HORIZONTAL PROCESSOR
n
NOISE GATED HORIZONTAL SYNC SEPARA-
TOR
n
NOISE GATED VERTICAL SYNC SEPARATOR
n
HORIZONTAL OSCILLATOR WITH FRE-
QUENCY RANGE LIMITER
n
PHASE COMPARATOR BETWEEN SYNC
PULSES AND OSCILLATOR PULSES (PLL)
n
PHASE COMPARATOR BETWEEN FLYBACK
PULSES AND OSCILLATOR PULSES (PLL)
n
LOOP GAIN AND TIME CONSTANT SWITCH-
ING ( VCR)
n
COMPOSITE BLANKING AND KEY PULSE
GENERATOR
n
PROTECTION CIRCUITS
n
OUTPUT STAGES WITH HIGH CURRENT CA-
PABILITY
DIP16
(Plastic Package)
ORDER CODE :
TDA1180P
DESCRIPTION
The TDA1180P is a horizontal processor circuit for
b.w. and colour monitors. It is a monolithic inte-
grated circuit encapsulated in 16-lead dual in-line
plastic package.
PIN CONNECTIONS
SUPPLY VOLTAGE
1
16
GROUND
NEGATIVE OUTPUT
2
15
OSCILLATOR CONTROL CURRENT
POSITIVE OUTPUT
3
14
OSCILLATOR
PROTECTION CIRCUIT INPUT
4
13
CONTROL CURRENT OUTPUT
PHASE SHIFTER FILTER
5
12
TIME CONSTANT SWITCH
FLYBACK INPUT
6
11
COINCIDENCE DETECTOR
KEY AND BLANKING PULSE OUTPUT
7
10
VERTICAL SYNC. OUTPUT
SYNC. SEPARATOR INPUT
8
9
VERTICAL SYNC. SEPARATOR INPUT
May 1993
1/12
V
S
V
S
V
S
10
7
6
1
5
4
9
Vertical Sync.
Separator
Vertical Sync.
Output Stage
Composite Key
and Blanking
Pulse Generator
Pulse Shaper
Phase
Comparator
(Oscillator
Flyback)
Phase Shifter
and
Pulse Shaper
Protection
Switch
2
Video
Signal
V
S
Noise
Gate
Pulse
Shaper
8
Sync.
Separator
Sync.
Gate
Vertical Sync.
Blanking
Phase
Comparator
(Oscillator Sync.)
Oscillator
Under
Voltage
Protection
Coincidence
Detector
Time Constant
and Control
Current Switch
Voltage
Limiter
Output
Stage
3
11
12
13
15
14
16
V
S
VCR
Frequency
1180P-02.EPS
TDA1180P
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
S
Supply voltage (Pin 1)
15
V
V
2
Voltage at Pin 2
18
V
V
4
Voltage at Pin 4
V
S
V
8
Voltage at Pin 8
- 6 , V
S
V
V
9
Voltage at Pin 9
±
6
V
V
11
Voltage at Pin 11
V
S
I
2
Pin 2 peak current
1
A
I
3
Pin 3 peak current
0.5
A
I
6
Pin 6 current
30
mA
I
7
Pin 7 current
20
mA
I
10
Pin 10 current
30
mA
P
tot
Total power dissipation at Tamb
3
70
o
C
1
W
T
stg
,T
j
Storage and junction temperature
- 40 , + 150
o
C
THERMAL DATA
Symbol
Parameter
Value
Unit
R
th (j-a)
Thermal Resistance Junction-Ambient
Max
80
o
C/W
ELECTRICAL CHARACTERISTICS
(refer to the test circuit, V
S
=
12V, T
A
=25
o
C, unless otherwise specified)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
V
S
Supply voltage range
9.5
12
13.2
V
I
S
Supply current
I
3
= 0
42
52
mA
V
S
Supply voltage at which the output pulses
(at pin 2 and 3) are switched off
4
V
HORIZONTAL SYNC. SEPARATOR
V
I
Peak to peak input signal
1
3
6
V
V
8
Input switching voltage
I
8
=80
m
A
1.5
V
I
8
Input switching current
V
8
= 1.4V
10
m
A
I
8
Leakage current
V
8
= -5V
1
m
A
VERTICAL SYNC. SEPARATOR
V
I
Peak to Peak Input Signal
1
3
6
V
V
9
Input Switching Voltage
I
9
=80
m
A
1.5
V
I
9
Input Switching Current
V
9
= 1.4V
5
m
A
I
9
Leakage Current
V
9
= -5V
1
m
A
V
10
Vertical Sync. Pulse Output Voltage
No Load Pin10
11
V
R
10
Output Resistance
10
k
W
t
LV
Delay between Leading Edge of Input and Output
Signals
17
m
s
t
LV
Delay between Trailing Edge of Input and Output
Signals
50
m
s
t
V
Vertical Sync Pulse Duration
190
m
s
3/12
TDA1180P
ELECTRICAL CHARACTERISTICS
(continued)
(refer to the test circuit, V
S
=
12V, T
A
=25
o
C, unless otherwise specified)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
PROTECTION CIRCUIT
V
4
Input Voltage for Switching off the Output Pulses
Output Pulses OFF
Output Pulses ON
0.5
V
1
R
4
Input Resistance
200
k
W
I
4
Input Current
5
m
A
FLYBACK PULSE
V
6
Input Threshold Voltage of Blanking Generator
1.8
V
V
6
Input Threshold Voltage of Phase Comparator
7.6
V
I
6
Input Switching Current
V
6
.
1.7V
0.45
mA
OUTPUT PULSE
V
3
Peak-to-Peak Output Voltage
I
3
= 150 mApp
10
V
I
3
Output Current
V
3
= 5V
500
mA
R
3
Output Resistance
At Leading Edge of
output pulse
At Training Edge of
Output Pulse
3
W
20
W
t
p
Output Pulse Duration
20
22
26
m
s
COMPOSITE BLANKING AND KEY PULSE
V
7k
Key Pulse Output Peak Voltage
9
11
V
V
7B
Blanking Pulse Output Voltage
4.2
4.5
4.8
V
R
7
Output Resistance
100
W
t
sk
Phase Relation Between Trailing Edge of Key
Pulse and Middle of Sync. Input Pulse
2.7
m
s
t
k
Key Pulse Duration
3.5
3.8
m
s
t
fb
Delay between Flyback Pulse and Blanking Pulse
V
6
= 1.7V
0.2
m
s
INTERNAL GATING PULSE
t
g
Gating Pulse Duration
7.5
m
s
t
Phase Relation between Middle of Sync. Pulse
and Trailing and Leading Edge of Gating Pulse
3.75
m
s
COINCIDENCE DETECTOR
V
11
Output Voltage
With Coincidence
Without Coincidence
6.8
V
V
4
I
11
Peak Output Current
0.5
mA
VCR SWITCH
V
11
Input Voltage
0 to 4 or 8.5 to 12
V
-I
11
Output Current
35
m
A
I
11
Output Current
0.4
mA
TIME CONSTANT SWIT CH
V
12
Output Voltage
3
V
R
12
Output Resistance
4.5V < V
11
<8V
V
11
> 8.5V or V
11
<4V
100
40
k
W
4/12
TDA1180P
ELECTRICAL CHARACTERISTICS
(continued)
(refer to the test circuit, V
S
=
12V, T
A
=25
o
C, unless otherwise specified)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
OSCILLATOR
V
14
Low Level Threshold Voltage
5.4
V
V
14
High Level Threshold Voltage
8.2
V
I
14
Charge Current
0.6
mA
I
14
Discharge Current
0.3
mA
V
15
Current Source Supply Voltage
3
V
I
15
Current Source Supply Current
0.3
mA
f
O
Free Running Frequency
15625
Hz
D
f
O
f
O
Adjustment Range
±
10
%
D
f
O
Frequency Control Sensitivity
52
Hz
m
D
I
15
A
D
f
O
Frequency Change when V
S
Drops to 4V
±
10
%
OSCILLATOR-FLYBACK PULSE PHASE COMPARATOR
V
5
Control Voltage Range
9.4 to 8.2
V
I
5
Peak Control Current
-0.6
+0.6 mA
I
5
Input Current (blocked Phase Detector)
5
m
A
t
D
Permissible Delay between Output Pulse Leading
Edge and Flyback Pulse Leading Edge
t
p
-t
f
m
s
D
t
D
Static Control Error
0.2
%
t
D
SYNC PULSE-OSCILLATOR PHASE COMPARATOR
V
13
Control Voltage Range
4.6
to
1.4
V
I
13
Control Peak Current
+2
-2.2
-2
mA
D
f
Phase Lock Loop Gain
2
kHz
m
D
t
s
f
Catching and Holding Range
700
Hz
OVERALL PHASE RELATIONSHIP
t
O
Phase Relation between Middle of Flyback Pulse
and Middle of Sync. Pulse
2.2
m
s
V
5
D
Adjustment Sensitivity
65
mV
m
t
O
s
D
I
5
Adjustment Sensitivity
16
m
A
D
t
O
m
s
5/12
D
Plik z chomika:
damiann94
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