NJU26501 Datasheet, PDF (1/27 Pages) New Japan Radio – Multi-Function Digital Audio Decoder

NJU26501
Preliminary
Multi-Function Digital Audio Decoder
■ General Description
■Package
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.
TQFP- 52
■ FEATURES
· Dolby Digital / Dolby Digital EX (7.1ch)
· DTS (5.1ch)
· Dolby Pro Logic II
· Virtual Dolby Digital
· Bass Management
■ Digital Signal Processor Specification
· 24bit Fixed-point Digital Signal Processing
· Maximum Clock Frequency : 24.576MHz(Standard), built-in PLL Circuit
· Digital Audio Interface
: 2 Input ports / 4 Output ports
· Microcomputer Interface
: I²C Bus (Standard-mode/100Kbps, Fast-mode/400kbps)
: 4-Wire Serial Bus (4-Wire: Clock, Enable, Input data, Output data)
· Power Supply
: DSP Core : 1.8V
: I/O interface: 3.3V(+5.0V tolerant)
· Package
: TQFP 52pins
* Note1: “Dolby,” “Pro Logic II,” “Dolby Digital,” “Dolby Digital EX,” 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: “DTS” is a registered trademark of DTS, Inc.
* Note3: Purchase of I²C components of New Japan Radio Co. ,Ltd or one of sublicensed Associated Companies
conveys a license under the Philips I²C Patent Rights to use these components in an I²C system,
provided that the system conforms to the I²C Standard specification as defined by Philips.
Ver.2003-08-29
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