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AN12971A Datasheet

Download or read online Panasonic Corporation AN12971A SPATIALIZER IC pdf datasheet.



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Demonstrates full potential when used in equipment
incorporating a miniature speaker
SPATIALIZER
Overview
The Spatializer envion
TM
is Desper Products, Inc.’s
exclusive signal processing technology that is able to
generate surround sound for low-power mobile
applications. The technology is based on the company’s
commercial 3D audio production system, PRO-Spatializer
Audio Production System. The AN12971A IC employs the
same innovative technology of the PRO-Spatializer Audio
Production System to enhance sound for products with
close proximity speakers such as those on headphones
and cellular phones to expand the soundfield for a much
more spacious sound.
Features
Delivers spacious 3D sound for a stereo system with
speakers in close proximity to each other.
Produces spacious 3D sound for stereo headphones
Standby function
Small package
Applications
Cellular phones with stereo headphones
Portable MP3 players
Application circuit (Mobile Phone)
0.22µF
L-IN
22000pF/
18000pF/
15000pF
0.22µF
R-IN
Spatializer
and the circle-in-square device trademark are owned by Desper Products, Inc.
Products and specifications are subject to change without notice. Please ask for the latest Product Standards to guarantee the satisfaction of your product requirements.
1 Kotari-yakemachi, Nagaokakyo, Kyoto 617-8520, Japan
M00619BE
IC AN12971A
Speaker
Speaker
1
2
3
4
5
6
9
8
9
*
0
#
Spatializer
V
CC
ON/OFF
12
11
10
9
13
14
Spatializer
Sound processor .
15
16
1
2
3
4
STB
ON/OFF
Tel. +81-75-951-8151
New
Unit:mm
QFN016-P-0304B
4700pF
8
1µF
L-OUT
7
1µF
6
R-OUT
5
4700pF
http://panasonic.co.jp/semicon
New publication, effective from 27 Jan. 2004

Summary of Contents

Page 1

... The technology is based on the companys commercial 3D audio production system, PRO-Spatializer Audio Production System. The AN12971A IC employs the same innovative technology of the PRO-Spatializer Audio Production System to enhance sound for products with close proximity speakers such as those on headphones and cellular phones to expand the soundfield for a much more spacious sound ...

Page 2

Electrical Characteristics (unless otherwise specified 25°C± 2°C,V Ú ª Circuit current at non- I TOTON signal Circuit current at STB I TOTOF mode Off-mode I/O gain V FFG Off-mode total harmonic THD distortion On-mode ...

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