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參數(shù)資料
| 型號(hào)： | LA7449M |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | QIP-48 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大?。?/td> | 427K |
| 代理商： | LA7449M |
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
Monolithic Linear IC
Video Signal Processing IC
for VHS VCR Systems
Ordering number:ENN5119
LA7449, 7449M
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O2500TN (KT)/62095HA (OT) No.5119–1/10
Package Dimensions
unit:mm
3149-DIP48S
[LA7449]
SANYO : DIP48S
unit:mm
3156-QIP48E
[LA7449M]
SANYO : QIP48E
Overview
The LA7449 and 7449M are video signal processing single-
chip ICs that handle the PAL-G, B and I, 4.43 NTSC,
MESECAM and NAP-G, B and I formats. IC internal trim-
ming is used to make the LA7449, 7449M completely ad-
justment free, and in combination with a special-purpose
CCD (thd LC89970, 89970M) they provide a significant
reduction in external components, including the glass de-
lay line. Thus the LA7449, 7449M can significantly re-
duce the signal processing board manufacturing costs. Fur-
thermore, the LA7449, 7449M support the NAP format
(NTSC to PAL conversion) that is becoming widespread in
Europe, China and other markets.
Features
Completely adjustment free.
The AGC, carrier, deviation, and PB-Y level are adjust-
ment free.
The YC record current can also be made adjustment free
by using the LA7411, 7416 as the head amplifier.
Support for NAP and PAL color array correction.
Full modulation using a balanced modulator allows play-
back and conversion to PAL format of NTSC signals re-
corded on tape.
Crosstalk exclusion in combination with a special-pur-
pose CCD
Crosstalk can be excluded without using a glass delay
line by combining the LA7449, 7449M with a special-
purpose CCD (the LC89970, 89970M).
Minimal number of external components.
New built-in components :
– Detail enhancer CR.
– C-trap in the Y low-pass filter.
– Playback C low-pass filter.
High performance and multiple functions.
Linear phase picture controller.
Double high-pass noise canceller, high-speed AFC, DCC.
New built-in functions.
1
24
48
25
2.53
1.78
46.0
1.05
0.25
15.24
13.8
0.48
4.25
3.8
5.1max
0.51min
14.0
17.2
1.5
1.6
0.15
0.35
0.1
15.6
0.8
1.0
3.0max
1
48
12
13
24
25
36
37
2.7
14.0
17.2
1.5
1.6
1.0
– NAP circuit.
– AVNS (advanced vertical noise suppressor).
– Automatic QH insertion.
– FM AGC.
Miniature package (48-pin QIP or DIP).
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