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參數(shù)資料
| 型號(hào)： | AN5693K |
| 廠商： | PANASONIC CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Luminance,Chroma and Sync. Signals Processing ICwith Built-in I2Cbus Interfacefor PAL/NTSC Color-TV |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP52 |
| 封裝： | 0.600 INCH, PLASTIC, SDIP-52 |
| 文件頁數(shù)： | 28/34頁 |
| 文件大?。?/td> | 325K |
| 代理商： | AN5693K |
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28
AN5693K
ICs for TV
I
Technical Information
Package Allowable Loss
P
D
T
a
200
0
0
25
P
Ambient temperature, Ta (
°
C)
50
75
100
125
150
400
600
800
1 000
1 200
1 400
1 600
1 800
2 000
2 200
2 400
2 600
2 800
3 000
Without external
Heat-sink
R
thj
=
54
°
C/W
P
D
=
2 315 mW(25
°
C)
Outline of major blocks
Video
(1) Y delay line built-in : total delay time is approximately 690 ns.
(2) Sharpness control is by using delay line aperture control. (contour emphasis type)
Together with black level extention circuit, high quality picture is achieved.
(3) Chroma trap is built-in : Trap frequency is synchronised with the chroma VCO frequency at 4.43 MHz/3.58
MHz automatically. By I
2
C bus, the trap can be forced to by-pass. In SECAM mode, about 4.43 MHz free run
frequency is obtained. When in black & white(B/W)mode(killer"On"), the trap is automatically by-passed.
(4) Pedestal clamp filter is built-in.
(5) Service switch : (Y contrast min., Vertical output stop). Can be switched by I
2
C bus.
(6) Chart showing the modes of the trap :
System(f
C
)
Color or B/W
Trap Status
4.43 MHz(PAL)
Color
4.43 MHz
B/W
4.43 MHz free-run
3.58 MHz(NTSC)
Color
3.58 MHz
B/W
3.58 MHz free-run
SECAM
Color
4.43 MHz free-run
B/W
4.43 MHz free-run
Forced manual mode by I
2
C bus
About 5.5 MHz
Forced through mode by I
2
C bus
No trap point
Chroma
(1) Using base-band 1H delay line(external 1HDL IC required), adjustment free is achieved.
(2) BPF(4.43 MHz/3.58 MHz), ACC filters are built-in, thus external components are reduced.
(3) By changing the following mode using the I
2
C bus :
1. PAL/NTSC
2. 4.43 MHz/3.58 MHz
3. Forced PN/Forced SECAM
and together with the SECAM IC for automatic SECAM detection, multi-system application is possible.
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