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參數資料
| 型號： | LA7578 |
| 文件頁數： | 1/18頁 |
| 文件大?。?/td> | 252K |
| 代理商： | LA7578 |
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 amplifier
.
VCO
.
APC filter
.
B/W NC
.
AFT
.
IF AGC
Limiter amplifier
Audio mute (pin 2)
.
IS-15 switch (pin 13)
[VIF Block]
.
PLL detector
.
Equalizer amplifier
.
Lock detection
.
RF AGC
.
APC detector
.
Buzz canceller
.
FM quadrature detector
.
AV mute (pin 4)
[SIF Block]
[Mute]
Package Dimensions
unit : mm
3067-DIP24S
[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
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
81095HA (II)No.4952 - 1/18
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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: |
| LA7601 | 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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