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參數(shù)資料
| 型號(hào)： | LA7577N |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Super-Split，PLL-II VIF and SIF IF Signal Processor for TV/VCRs(用于電視機(jī)/VCR應(yīng)用的IF信號(hào)處理（鎖相環(huán)II VIF+SIF）電路) |
| 中文描述： | 超斯普利特，鎖相環(huán)-Ⅱ資料表格及SIF中頻信號(hào)處理器的電視/錄像機(jī)（用于電視機(jī)/錄像機(jī)應(yīng)用的中頻信號(hào)處理（鎖相環(huán)二資料表格強(qiáng)度因子）電路） |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 439K |
| 代理商： | LA7577N |
LA7577N
SANYO Electric Co., Ltd. Semiconductor Business Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
60597HA(ID) / 11795TH(ID) No. 4037—1/16
Ordering number: EN 4037C
Monolithic Linear IC
Super-split PLL-
IF Signal Processor for TV/VTRs
II
VIF and SIF
Overview
The LA7577N is a high tone quality and high picture qual-
ity, video IF and sound IF IC. It employs split processing
of the video IF signal and sound IF signal using SAW fil-
ters and a PLL detector. Further, the PLL detector incorpo-
rates a buzz canceler for Nyquist buzz interference
suppression to achieve high tone quality.
Functions
VIF stage
VIF amplifier
PLL detector
B/W noise canceler
RF AGC
VCO
Equalizer amplifier
AFT
APC detector
APC filter
Lock detector
IF AGC
Buzz canceler
1st SIF stage
Preamplifier with AGC
1st SIF detector
SIF stage
SIF limiter amplifier
FM quadrature detector
Mute stage
Sound mute (pin 2)
AV mute (pin 4)
IS-15 switch (pin 13)
Features
Employs split processing for wide bandwidth video
characteristics
PLL detector with buzz canceler for excellent buzz and
buzz beat characteristics
APC time constant switch built-in
High-speed AGC supports double time constant method
SIF carrier level AGC in the 1st SIF stage for good SIF
weak electric field characteristics
Good differential gain and phase characteristics
RF AGC easily adjusted using a variable resistor
Package Dimensions
unit: mm
3067-DIP24S
[LA7577N]
Specifications
Absolute Maximum Ratings
at Ta = 25
°
C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
CC
max
13.8
V
Allowable power dissipation
Pd max
Ta
≤
50
°
C
1200
mW
Circuit voltages
V
3
, V
13
V
CC
V
V
11
V
CC
V
V
23
V
CC
V
相關(guān)PDF資料 |
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| LA7578N | IF Signal Processing (Super PLL-II VIF + SIF) Circuit for TVs and VCRs(用于電視機(jī)/VCR應(yīng)用的IF信號(hào)處理（超鎖相環(huán)II VIF+SIF）電路) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA7578 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LA7578N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:IF Signal Processing (Super PLL-II VIF + SIF) Circuit for TVs and VCRs |
| 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: |
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