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參數(shù)資料
| 型號(hào)： | LA7578N |
| 元件分類： | 接收器 |
| 英文描述： | FM, AUDIO/VIDEO DEMODULATOR, PDIP24 |
| 封裝： | DIP-24 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 404K |
| 代理商： | LA7578N |
IF Signal Processing (Super PLL-II VIF + SIF)
Circuit for TVs and VCRs
Overview
The LA7578N is an intercarrier-type VIF + SIF IC that
supports excellent sound quality and image quality.
The pin assignment of the LA7578N is identical to that of the
LA7577N, allowing the LA7577N to be used for split systems
while the LA7578N is used for intercarrier systems. In
addition, the LA7578N suppresses Nyquist buzz interference
by using a PLL detection system with a buzz canceller in order
to provide the best sound quality possible.
Functions
[VIF Block]
.
VIF amplifier
.
PLL detector
.
VCO
.
Equalizer amplifier
.
APC filter
.
Lock detection
.
B/W NC
.
RF AGC
.
AFT
.
APC detector
.
IF AGC
.
Buzz canceller
[SIF Block]
.
Limiter amplifier
.
FM quadrature detector
[Mute]
.
Audio mute (pin 2)
.
AV mute (pin 4)
.
IS-15 switch (pin 13)
Package Dimensions
unit : mm
3067-DIP24S
0.48
3.25
3.3
3.9max
0.51min
21.2
0.81
1.78
0.25
7.62
6.4
1
12
24
13
0.95
[LA7578N]
SANYO : DIP24S
Features
.
Excellent buzz and buzz-beat characteristics due to PLL
detection system with buzz canceller.
.
Built-in APC time constant switch.
.
Duplicate time constant system suited for high-speed AGC.
.
Excellent DG and DP characteristics.
.
RF AGC adjustment is simple.
Ordering number: EN 4952
Monolithic Linear IC
LA7578N
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
81095HA (II)No.4952-1/18
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA7583 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:IF Signal Processing Circuit (A2C PLL VIF + SIF) for TVs and VCRs |
| LA7590 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| LA7600 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LA7601 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| LA7601W | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
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