PANASONIC AN5422K

ICs for TV
AN5422K
Deflection-Signal-Processing IC for TV/Display
■ Overview
• Noise canceller circuit built-in (with lock-out preventive
0.5±0.1
1.778
19.1±0.3
■ Features
22
21
20
19
18
17
16
15
14
13
12
1
2
3
4
5
6
7
8
9
10
11
0.9±0.25
Unit : mm
The AN5422K is an integrated circuit for TV/display
deflection-signal-processing circuit. Horizontal oscillation
frequency is up to 120kHz. The duty of a horizontal output pulse can be changed by the external bias so that the
display is designed easily.
circuit)
• The duty of a horizontal output pulse can be changed
6.35±0.3
1.1±0.25
by the external bias.
• Horizontal oscillation frequency : max. 120kHz
• X-ray protector built-in (shutdown)
• Vertical drive circuit built-in
3.45±0.25
4.5±0.25
+ 0.1 5
0.35 – 0.0
3 to 15˚
7.62±0.25
22-Pin Shrunk DIL Plastic Package (22-SDIP)
■ Block Diagram
22
21
20
19
18
Ver.
Drive
GND2
2
GND1
14
17
16
Ver.
OSC
Hor.
Drive
1
VCC1
4
VCC2
6
13
Ver.
Trigger
Hor.
OSC
3
15
Noise
Canceler
Sync.
Sep.
AFC
7
5
8
12
9
10
11
ICs for TV
AN5422K
■ Absolute Maximum Ratings (Ta= 25˚C)
Parameter
Supply voltage
Supply current
Symbol
Rating
Unit
VCC
(V14 -17) 14.4
V
(I14) 30
ICC
mA
(I4) 40
Power dissipation (Ta=70˚C)
PD
1290
Operating ambient temperature
Topr
– 20 to + 70
˚C
Storage temperature
Tstg
– 55 to +150
˚C
mW
■ Recommended Operating Range (Ta=25˚C)
Parameter
Operating supply voltage range
Symbol
Range
VCC
9.6V to 14.4V
■ Electrical Characteristics (Ta= 25˚C)
Parameter
Symbol
Overvoltage-protective-ciucuit operation-input voltage
V2-1
Condition
SYNC.SEP horizontal synchronous pulse width
τ sync (1)
Video input 1.4VP-P, VCC1=12V
Horizontal AFC horizontal synchronous pulse width
τ sync (2)
Video input 1.4VP-P, VCC1=12V
en1
f= 60HZ, 4µs, 0.7VPP
Noise detection sensitivity (2)
en2
f= 3.58MHZ, 1.2VPP
Vertical oscillation frequency
fVO
VCC1=12V
Vertical output pulse width
τ VO
Free running fVO= 55HZ, VCC1=12V
Noise detection sensitivity (1)
min
typ
max
0.65
0.71
0.76
V
4.4
4.8
5.2
µs
4.5
4.9
5.3
10.5
Unit
µs
VPP
0.5
VPP
51
55
59
HZ
750
950
1150
µs
35
37
HZ
Vertical pull-in range
fpv
Input 0.7VP-P, 60HZ, pulse width 200µs
Horizontal oscillation frequency
fHO
Adjust to fHO=15.75kHZ by typical sample
15
15.75
16.5
kHZ
Horizontal oscillatin pulse duty
Horizontal oscillation control
sensitivity
τ HO
Adjust to fHO=15.75kHZ by typical sample
30
35
39
130
160
190
13
19
25
Horizontal oscillation output pin voltage (H)
V3-1 (H)
4.1
5.1
6.2
%
HZ
µA
µA
µs
V
Horizontal oscillation output pin voltage (L)
V3-1 (L)
–1.4
– 0.7
0.3
V
Phase detection sensitivity
β
Change in oscillation frequency when ∆I=±25µA
µ
VCC1=12V
ICs for TV
AN5422K
■ Application Circuit
VCC1
Video input
+
10kΩ
10kΩ
+
0.056µF
DY
10kB
0.022
µF
+
21
20
19
18
Ver.
Drive
Hor.
Drive
17
GND1
16
15
+
13
12
Ver.
Trigger
Hor.
OSC
GND2
Noise
Canceler
Sync.
Sep.
AFC
VCC2
2
3
4
6
7
5
8
9
5kB
H-drive
680Ω
+
68kΩ
+B (115V)
11
330Ω
Hor. Sync
0.033µF
FBP
5.1kΩ
10
0.01µF
1µF
33kΩ 10kB
1µF
0.015µF
X-ray
protector
1kΩ
3.3µF
62kΩ
+
5600pF
1
14
VCC1
Ver.
OSC
12kΩ
22
3.3µF
+
0.3µF
+ 2.2µF
3.3µF
+
82kΩ
Ver. Sync.