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LA7565E Datasheet

  • LA7565E

  • IF Signal-Processing IC for PAL/NTSC Multi-System Audio TV a...

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Ordering number :EN5636A
Monolithic Linear IC
LA7565B, 7565BM
IF Signal-Processing IC for PAL/NTSC Multi-System
Audio TV and VCR Products
Overview
The LA7565B/M is a PAL/NTSC multi-system audio
VIF/SIF signal-processing IC that adopts a minimal-
adjustment technique. The VIF circuit adopts a minimal-
adjustment technique in which AFT adjustment is made
unnecessary by VCO adjustment to simply end product
adjustment. The FM detector circuit uses PLL detections
to support multi-system audio detection. Since the
LA7565BM include an SIF converter on chip, it is easy to
implement multi-system audio. In addition, it also includes
a buzz canceller that suppresses Nyquist buzz to achieve
improved audio quality.
鈥?PAL/NTSC multi-system audio can be implemented
easily.
鈥?Adjustment-free circuit design that does not require AFT
and SIF coils.
Package Dimensions
unit: mm
3067-DIP24S
[LA7565B]
24
13
7.62
6.4
Functions
[VIF Block]
鈥?Minimal adjustment PLL detector
鈥?AFT
鈥?RF AGC
鈥?Equalizer amplifier
鈥?SIF converter
[First SIF Block]
鈥?First SIF detector
鈥?Inter/split switch
鈥?HPF
[SIF Block]
鈥?PLL type FM detector
[Mute Block]
鈥?AV mute
1
21.2
12
0.51min
0.81
1.78
0.48
0.95
unit: mm
3112-MFP24S
24
[LA7565BM]
13
3.3
3.9max
3.25
SANYO: DIP24S
Features
1.8max
鈥?Allows the use of a switch circuit to switch between
spilt and intercarrier operation.
鈥?Improved buzz and buzz beat characteristics provided by
a PLL detector plus buzz canceller system.
鈥?The IF AGC second filter is built in.
12.6
1.5
0.15
0.1
0.35
1.0 0.8
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 Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
23099HA(OT) / 83097HA(OT) No. 5636-1/17
0.625
1
12
6.35
7.6
5.4
0.25

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