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LA75665M Datasheet

  • LA75665M

  • 12頁

  • ETC

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Ordering number : ENN6227A
Monolithic Linear IC
LA75665M
VIF/SIF IF Signal-Processing Circuit with TV/VCR PAL
and NTSC Multisound Support
Overview
The LA75665M is a VIF/SIF IC that supports PAL and
NTSC multisound and that adopts a semi-adjustment-free
system. To simplify adjustment, the VIF block adopts a
technique in which AFT adjustment is no longer required
by VCO adjustment. The SIF block supports audio multi-
detection by adopting a PLL detection technique. The SIF
block provides 4 inputs with IC internal switching for easy
design of multi-sound systems. Additionally, these
switches can also be used for video system sound trap
switching. The LA7566 also includes a buzz canceller that
suppresses Nyquist buzz to achieve improved audio
quality.
[First SIF Block]
鈥?First SIF amplifier
鈥?First SIF detector
鈥?AGC
[SIF Block]
鈥?Multiple input switch
鈥?Limiter amplifier
鈥?PLL FM detector
Package Dimensions
unit: mm
3112-MFP24S
[LA75665M]
24
13
Features
鈥?No coils are used in the AFT and SIF blocks, making
these circuits adjustment free.
鈥?PAL / NTSC multisound system can be constructed
easily.
鈥?Built-in buzz canceller for excellent audio performance
[VIF Block]
鈥?VIF amplifier
鈥?PLL detector
鈥?BNC
鈥?RF AGC
鈥?EQ amplifier
鈥?AFT
鈥?IF AGC
鈥?Buzz canceller
12.6
1.5
0.15
0.35
1.0 0.8
0.1
SANYO: MFP24S
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鈥檚
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
N3099TH (OT) No. 6227-1/12
0.625
1
12
1.8max
Functions
6.35
7.6
5.4

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