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PDF AN7397S Data sheet ( Hoja de datos )
| Número de pieza | AN7397S | |
| Descripción | Spatializer IC for I2C bus | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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ICs for Audio Common Use
AN7397K, AN7397S
Spatializer IC for I2C bus
■ Overview
Spatializer Audio Processor is a signal process-
ing technology, monopolized by Desper Products,
Inc., that was developed for commercial electronics
and multimedia markets, and is based on Desper's
“PRO Spatializer” that is a 3-D audio production
system for business use. The AN7397K, AN7397S
utilizes the innovative technology adopted in that
system, and provides sound enhancement effect and
sound expansion with the conventional 2-speaker ste-
reo system.
■ Features
• Provides deep 3-D sound with conventional 2-
speaker system.
• The audio signal recorded through this IC can be
reproduced with usual stereo system.
• Performs optimal processing to the sound source
recorded with surround-effect so as not to give
double effects.
• Sound localization can be varied.
• A pseudo stereo effect for the monaural audio sig-
nal is achieved.
• Positions and moves each sound source on 270°
arc in real time.
• An on-chip serial control bus (i.e., I2C) to vary
space-effect and change modes.
■ Applications
• Televisions, videos, audio equipment, DVDs, per-
sonal computers, and game machines
■ Pin Assignment
AN7397K
20
19.1±0.3
11
1 10
Unit: mm
1.778
AN7397S
0.9±0.25
0.5±0.1
SDIP020-P-0300
7.62±0.25
3°
to
15°
0.35+–00.1.05
Unit: mm
12.6±0.3
20 11
1 10 0.3
0.4
1.27
0.40±0.25
SOP020-P-0300B
Note) The packages (SDIP020-P-0300 and SOP020-P-0300B) of this
product will be changed to lead-free type (SDIP020-P-0300A
and SOP020-P-0300E). See the new package dimensions sec-
tion later of this datasheet.
Note) Spatializer and the device trademark of circle-in-square are owned by Desper Products Inc.
This product can be used with the consent of the Desper Products Inc.
Under the terms of the agreement between Matsushita Electric and Desper Products Inc., no technical information on the
Spatializer, which is applied to this product, shall be provided.
Publication date: October 2002
SDC00027BEB
1
1 page  
■ Application Circuit Example (Basic circuitry)
10 nF
AN7397K, AN7397S
I2C
GEN
A
B
A
47 nF
47 nF
GND
B
Note) When switching noise occurs at mode switching, insert a capacitor between pin 7 and GND.
*: For the capacitor of 22 µF, use that of a non-polar type.
SDC00027BEB
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AN7397S.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| AN7397K | Spatializer IC for I2C bus | Panasonic Semiconductor |
| AN7397S | Spatializer IC for I2C bus | Panasonic Semiconductor |
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