ICs for TV
1
AN5441S
Deflection distortion correction IC
s
Overview
The AN5441S is a distortion correction processing IC
for deflection system of color televisions and wide screen
televisions.
s
Features
Distortion correcting functions
Vertical amplitude
Vertical linearity
Vertical S-shape
Vertical position
Vertical EHT
Horizontal amplitude
EW parabola
Trapezoidal
Upper/lower EW corner
Horizontal EHT
Built-in horizontal and vertical blanking pulse genera-
tion circuit
Supports I
2
C bus control
s
Applications
Color televisions and wide screen televisions
SOP028-P-0375A
Unit: mm
0.3
1
14
28
15
0.15
0.925
2.00.2
7.20.3
9.40.3
17.810.3
0.10.1
1.27
0.40.25
0.45
AN5441S
ICs for TV
2
s
Block Diagram
Pulse
shaping
H-BLK
generation
HA
GC
V
-BLK
generation
External
trapezoidal
correction
Superimposed
caption control
I
2
C
EHT correction
Gain control
V
-amplitude
control
H-amplitude
control
EW corner
correction
V/I
con
v
ersion
Ramp
generation
VA
G
C
S-shaped
correction
Linearity
correction
26
3
7
8
11
9
10
14
12 Horizontal
and vertical
BLK output
13
Broken neck
15
V
CC3
(12 V)
22
V
CC1
(5 V)
4
Key (DC)
2
SCL
1 SDA
21
20
EHT (DC)
EHT (AC)
VD
FBP
V
-SA
W
16
17
18
V out
EW out
6
19
23
24
25
27
28
5
N.C.
V
CC2
(12 V)
GND2
GND1
Feedback
Corner slice
ICs for TV
AN5441S
3
Parameter
Symbol
Range
Unit
Supply voltage
V
CC1
4.5 to 5.5
V
V
CC2
10.8 to 13.2
V
CC3
10.8 to 13.2
s
Recommended Operating Range
s
Pin Descriptions
Pin No.
Description
1
I
2
C SDA input
2
I
2
C SCL input
3
Horizontal FBP input
4
V
CC1
(5 V)
5
Test pin
6
N.C.
7
H-BLK high-level slice voltage
8
H-BLK low-level slice voltage
9
V-BLK high-level slice voltage
10
V-BLK low-level slice voltage
11
Capacitor for H-AGC
12
Horizontal and vertical BLK output
13
Broken neck detection
14
V-BLK sawtooth input
Pin No.
Description
15
V
CC3
(12 V)
16
Vertical feedback input
17
Vertical pre-drive output
18
EW output
19
Corner slice voltage
20
EHT-AC input
21
EHT-DC input
22
Control for keystone correction
23
Capacitor for ramp generation
24
Capacitor for V-AGC
25
V
CC2
(12 V)
26
VD pulse input
27
GND2
28
GND1
Parameter
Symbol
Rating
Unit
Supply voltage
V
CC
V
CC1
5.6
V
V
CC2
, V
CC3
13.4
Supply current
I
CC
I
CC1
24.5
mA
I
CC2
24.0
I
CC3
3.2
Power dissipation
*2
P
D
449
mW
Operating ambient temperature
*2
T
opr
-
20 to
+
70
C
Storage temperature
*1
T
stg
-
55 to
+
150
C
s
Absolute Maximum Ratings
Note) *1 : Except for the operating ambient temperature and storage temperature, all ratings are for T
a
=
25
C.
*2 : The power dissipation shown is the value for T
a
=
70
C.
AN5441S
ICs for TV
4
s
Electrical Characteristics at T
a
=
25
C
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Circuit current I
CC1
I
4
V
CC1
=
5 V, V
CC2
=
12 V, V
CC3
=
12 V
11.7
17.0
20.2
mA
Circuit current I
CC2
I
25
V
CC1
=
5 V, V
CC2
=
12 V, V
CC3
=
12 V
13.1
16.6
20.2
mA
Circuit current I
CC3
I
15
V
CC1
=
5 V, V
CC2
=
12 V, V
CC3
=
12 V
1.8
2.1
2.3
mA
EHT-AC input pin voltage
V
20-27, 28
V
CC1
=
5 V, V
CC2
=
12 V, V
CC3
=
12 V
2.6
3.0
3.4
V
Vertical pull-in frequency 1
f
V1
f
V
=
50 Hz input
45
50
55
Hz
Vertical pull-in frequency 2
f
V2
f
V
=
60 Hz input
55
60
65
Hz
Typical vertical output amplitude
e
V(typ)
typ.
2.3
2.7
3.1
V[p-p]
Typical EW output amplitude
e
E(typ)
typ.
1.42
1.82
2.22
V[p-p]
Vertical BLK output pulse width
t
VB
Wide
3.3
4.8
6.2
ms
Horizontal BLK output pulse width 1
t
HB(1)
Normal
11.7
12.2
12.7
s
Horizontal BLK output pulse width 2
t
HB(2)
Wide
37
39
41
s
Vertical output amplitude change
e
v(max)
V amplitude typ.
max. ratio
42
48
54
%
ratio (max.)
e
v(typ)
Vertical output amplitude change
e
v(min)
V amplitude typ.
min. ratio
-
54
-
48
-
42
%
ratio (min.)
e
v(typ)
Vertical output S-shape change ratio 1
e
VS1
Vertical S-shape min.
max. ratio
-
20
-
13
-
6
%
Vertical output S-shape change ratio 2
e
VS2
Vertical S-shape min.
max. ratio
1.5
6.0
%
(change of V out 40% to 60% point)
Vertical output (upper side)
e
VC1
Vertical linearity (upper side) typ.
6
10
14
%
linearity change ratio 1
max.
Vertical output (upper side)
e
VC2
Vertical linearity (upper side) typ.
-
14
-
10
-
6
%
linearity change ratio 2
max.
Vertical output position change
e
VP(max)
Vertical position typ.
max.
-
1.0
-
0.8
-
0.6
V
amount (max.)
Vertical output position change
e
VP(min)
Vertical position typ.
min.
0.5
0.7
0.9
V
amount (min.)
Vertical output (lower side)
Vertical linearity (lower side) typ.
8
12
16
%
linearity change ratio 1
max.
Vertical output (lower side)
Vertical linearity (lower side) typ.
-
16
-
12
-
8
%
linearity change ratio 2
min.
Vertical output EHT-DC change
e
VED
EHT-DC
=
6 V,
-
24.8
-
21.8
-
18.8
%
vertical EHT, min.
max.
Vertical output EHT-AC change 1
e
VEA(1)
EHT-AC
=
2V, VEHT: max.,
-
16
-
12
-
8
%
EHT gain, min.
max.
Vertical output EHT-AC change 2
e
VEA(2)
EHT-AC
=
4 V, VEHT: max.,
9
13
17
%
EHT gain, min.
max.
Vertical output superimposed
e
VJ(1)
Vertical superimposed caption min.
-
13
-
10
-
7
%
caption change 1
max.
Vertical output superimposed
e
VJ(2)
Vertical superimposed caption min.
-
15
-
11
-
7
%
caption change 2
max., V amplitude typ.
min.
ICs for TV
AN5441S
5
s
Electrical Characteristics at T
a
=
25
C (continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Vertical output amplitude (max.)
e
V(max)
V amplitude max.
3.5
3.9
4.3
V
Vertical output amplitude (min.)
e
V(min)
V amplitude min.
1.1
1.4
1.7
V
Vertical output center DC level
e
VDC
typ.
4.5
4.9
5.3
V
EW output parabolic amplitude
e
E(min)
Parabolic amplitude min.
0
0.1
0.5
V[p-p]
change (min.)
EW output parabolic amplitude
e
E(max)
Parabolic amplitude max.
2.5
3.5
4.5
V[p-p]
change (max.)
EW output horizontal amplitude
e
ED(min)
Horizontal amplitude min.
5.45
6.0
6.93
V
change (min.)
EW output horizontal amplitude
e
ED(max)
Horizontal amplitude max.
0.7
2.0
2.6
V
change (max.)
EW output trapezoidal change
e
ET(min)
Trapzoidal SW : On, trapezoidal typ.
64
96
126
%
(min.)
min.
EW output trapezoidal change
e
ET(max)
Trapzoidal SW : On, trapezoidal typ.
-
130
-
100
-
68
%
(max.)
max.
EW output upper corner change
e
ECT(min)
Upper corner min.
-
95
-
65
-
35
%
(min.)
EW output upper corner change
e
ECT(max)
Upper corner max.
30
60
90
%
(max.)
EW output lower corner change
e
ECB(min)
Lower corner min.
-
95
-
65
-
35
%
(min.)
EW output lower corner change
e
ECB(max)
Lower corner max.
25
55
85
%
(max.)
EW output (bottom voltage)
e
EED
EHT-DC: 6 V
2.1
2.6
3.1
V
EHT-DC change
Horizontal EHT min.
max.
EW output (bottom voltage)
e
EEA(1)
EHT-AC: 2 V, horizontal EHT: max.,
1.2
1.4
1.6
V
EHT-AC change 1
EHT gain min.
max.
EW output (bottom voltage)
e
EEA(2)
EHT-AC: 4 V , horizontal EHT: max.,
-
1.8
-
1.5
-
1.2
V
EHT-AC change 2
EHT gain min.
max.
EW output (EW amplitude)
e
EK(min1)
KEY
=
2 V, trapezoidal SW: On,
95
120
145
%
KEY change 1 (min.)
trapezoidal max.
min.
EW output (EW amplitude)
e
EK(max1)
KEY
=
3.2 V, trapezoidal SW: On,
-
145
-
120
-
95
%
KEY change 1 (max.)
trapezoidal min.
max.
EW output parabolic DC level
e
EB
typ.
2.9
4.0
5.1
V
EW output (EW amplitude)
e
EK(min2)
KEY
=
2 V, trapezoidal SW: Off,
-
145
-
120
-
95
%
KEY change 2 (min.)
trapezoidal max.
min.
EW output (EW amplitude)
e
EK(max2)
KEY
=
3.2 V, trapezoidal SW: Off,
95
120
145
%
KEY change 2 (max.)
trapezoidal min.
max.
EW output drive current 1
I
EW(1)
Pin 18: 11 V
0.7
1.1
1.5
mA
V-AGC input and output current
I
VAGC
0.5
0.8
1.1
mA
H-AGC input and output current
I
HAGC
0.7
1.0
1.3
mA
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