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NJU26501 Datasheet

  • NJU26501

  • Multi-Function Digital Audio Decoder

  • 27頁

  • NJRC

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NJU26501
Preliminary
Multi-Function Digital Audio Decoder
鈻?/div>
General Description
The NJU26501 is a multi-function digital audio signal decoder.
The NJU26501 processes the stereo matrix-encoded or compressed signal into
spacious sound of up to 7.1(max) channels by Dolby Digital, Dolby Digital EX or
DTS with Bass Management System. Also non matrix-encoded audio signal can
be processed into effective spacious sound by Dolby ProLogic II.
The decoded multi-channel signal can be downmixed into 2-channel virtual
surround output by the Dolby Virtual technology.
The applications of the NJU26501 are suitable for multi-channel products such
as DVD Player, AV AMP, Home Theater and Car Audio, or any kinds of
multi-channel audio products.
鈻?/div>
Package
TQFP- 52
鈻?/div>
FEATURES
路
Dolby Digital / Dolby Digital EX (7.1ch)
路
DTS (5.1ch)
路
Dolby Pro Logic II
路
Virtual Dolby Digital
路
Bass Management
鈻?/div>
Digital Signal Processor Specification
路
24bit Fixed-point Digital Signal Processing
路
Maximum Clock Frequency
: 24.576MHz(Standard), built-in PLL Circuit
路
Digital Audio Interface
: 2 Input ports / 4 Output ports
路
Microcomputer Interface
: I
2
C Bus (Standard-mode/100Kbps,
Fast-mode/400kbps)
: 4-Wire Serial Bus (4-Wire: Clock, Enable, Input data, Output data)
路
Power Supply
: DSP Core : 1.8V
: I/O interface: 3.3V(+5.0V tolerant)
路
Package
: TQFP 52pins
*
*
*
Note1:
鈥淒olby,鈥?鈥淧ro Logic II,鈥?鈥淒olby Digital,鈥?鈥淒olby Digital EX,鈥?and the double-D symbol are trademarks of Dolby Laboratories. The NJU26501 may only be supplied to
licensees of or companies authorized by Dolby Laboratories. Please refer all licensing inquiries to Dolby Laboratories.
Note2:
鈥淒TS鈥?is a registered trademark of DTS, Inc.
Note3: Purchase of
I
2
C
components of New Japan Radio Co. ,Ltd or one of sublicensed Associated Companies
conveys a license under the Philips
I
2
C
Patent Rights to use these components in an
I
2
C
system,
provided that the system conforms to the
I
2
C
Standard specification as defined by Philips.
Ver.2003-08-29
-1-

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