Panasonic AN5441S Datasheet

ICs for TV

AN5441S

Deflection distortion correction IC

■ Overview

The AN5441S is a distortion correction processing IC
for deflection system of color televisions and wide screen
televisions.

■ 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

■ Applications

• Color televisions and wide screen televisions

1

0.45

0.4±0.25

1.27

14

0.1±0.1

0.3

28

15

7.2±0.3

9.4±0.3

SOP028-P-0375A

0.15

Unit: mm

17.81±0.3

2.0±0.2

0.925

1

AN5441S ICs for T V

■ Block Diagram

N.C.

Corner slice

6

5

19

EW out

18

control

H-amplitude

correction

EW corner

control

V-amplitude

S-shaped

Linearity

correction

V/I

conversion

correction

Superimposed

V out

17

16

caption control

External

trapezoidal

Feedback

correction

EHT correction

2

20

Gain control

21

C
I

22

15

EHT (AC)

EHT (DC)

1

SDA

2

SCL

4

V

Key (DC)

V

CC1

CC3

(5 V)

(12 V)

23

13

Ramp

Broken neck

generation

12

24

VAGC

GND2

GND1

25

27

28

Pulse

shaping

26

VD

3

FBP

H-BLK

generation

7

HAGC

8

11

V-BLK

generation

9

10

14

V

(12 V)

CC2

Horizontal
and vertical
BLK output

V-SAW

2

ICs for TV AN5441S

■ Pin Descriptions

Pin No. Description

1I
2I

2

C SDA input

2

C SCL input
3 Horizontal FBP input
4V

CC1

(5 V)
5 Test pin
6N.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

■ Absolute Maximum Ratings

Parameter Symbol Rating Unit

Supply voltage V

Supply current I

Power dissipation
Operating ambient temperature
Storage temperature

Note)*1 : Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.

2 : The power dissipation shown is the value for Ta = 70°C.

*

*2

*2

*1

CC

CC

V

CC1

V

, V

CC2

CC3

I

CC1

I

CC2

I

CC3

P

D

T

opr

T

stg

5.6 V

13.4

24.5 mA

24.0

3.2

449 mW

−20 to +70 °C

−55 to +150 °C

■ Recommended Operating Range

Parameter Symbol Range Unit

Supply voltage V

CC1

V

CC2

V

CC3

4.5 to 5.5 V

10.8 to 13.2

10.8 to 13.2

3

AN5441S ICs for T V

■ Electrical Characteristics at Ta = 25°C

Parameter Symbol Conditions Min Typ Max Unit

Circuit current I
Circuit current I
Circuit current I

CC1

CC2

CC3

EHT-AC input pin voltage V
Vertical pull-in frequency 1 f
Vertical pull-in frequency 2 f
Typical vertical output amplitude e
Typical EW output amplitude e
Vertical BLK output pulse width t
Horizontal BLK output pulse width 1
Horizontal BLK output pulse width 2
Vertical output amplitude change

ratio (max.) e
Vertical output amplitude change

ratio (min.) e
Vertical output S-shape change ratio 1
Vertical output S-shape change ratio 2

Vertical output (upper side) ∆e
linearity change ratio 1 max.

Vertical output (upper side) ∆e
linearity change ratio 2 max.

Vertical output position change ∆e
amount (max.)

Vertical output position change ∆e
amount (min.)

Vertical output (lower side)  Vertical linearity (lower side) typ. → 81216%
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

Vertical output EHT-AC change 1 ∆e

Vertical output EHT-AC change 2 ∆e

Vertical output superimposed ∆e
caption change 1 max.

Vertical output superimposed ∆e
caption change 2 max., V amplitude typ. → min.

I

V

4

I

V

25

I

V

15

20-27, 28VCC1

V1fV

V2fV

typ. 2.3 2.7 3.1 V[p-p]

V(typ)

typ. 1.42 1.82 2.22 V[p-p]

E(typ)

Wide 3.3 4.8 6.2 ms

VB

t
t

e

e

∆e
∆e

Normal 11.7 12.2 12.7 µs

HB(1)

Wide 37 39 41 µs

HB(2)

V amplitude typ. → max. ratio 42 48 54 %

v(max)

v(typ)

V amplitude typ. → min. ratio −54 −48 − 42 %

v(min)

v(typ)

Vertical S-shape min. → max. ratio −20 −13 −6%

VS1

Vertical S-shape min. → max. ratio  1.5 6.0 %

VS2

(change of V out 40% to 60% point)
Vertical linearity (upper side) typ. → 61014%

VC1

Vertical linearity (upper side) typ. →−14 −10 −6%

VC2

Vertical position typ. → max. −1.0 − 0.8 − 0.6 V

VP(max)

Vertical position typ. → min. 0.5 0.7 0.9 V

VP(min)

EHT-DC = 6 V, −24.8 −21.8 −18.8 %

VED

vertical EHT, min. → max.
EHT-AC = 2V, VEHT: max., −16 −12 −8%

VEA(1)

EHT gain, min. → max. 
EHT-AC = 4 V, VEHT: max., 9 13 17 %

VEA(2)

EHT gain, min. → max. 
Vertical superimposed caption min. →−13 −10 −7%

VJ(1)

Vertical superimposed caption min. →−15 −11 −7%

VJ(2)

= 5 V, V

CC1

= 5 V, V

CC1

= 5 V, V

CC1

= 5 V, V

= 12 V, V

CC2

= 12 V, V

CC2

= 12 V, V

CC2

= 12 V, V

CC2

= 12 V 11.7 17.0 20.2 mA

CC3

= 12 V 13.1 16.6 20.2 mA

CC3

= 12 V 1.8 2.1 2.3 mA

CC3

= 12 V 2.6 3.0 3.4 V

CC3

= 50 Hz input 45 50 55 Hz
= 60 Hz input 55 60 65 Hz

4