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參數(shù)資料
| 型號(hào)： | SAA2502H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | ISO/MPEG Audio Source Decoder |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封裝： | PLASTIC, SOT-307, QFP-44 |
| 文件頁數(shù)： | 3/64頁 |
| 文件大?。?/td> | 318K |
| 代理商： | SAA2502H |
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1997 Nov 17
3
Philips Semiconductors
Preliminary specification
ISO/MPEG Audio Source Decoder
SAA2502
1
FEATURES
Low sampling frequency decoding possibilities (24 kHz,
22.05 kHz and 16 kHz) of MPEG2 are supported
A variety of output formats are supported: I
2
S, SPDIF
and 256 or more times oversampled bit serial analog
stereo
Automatic internal dynamic range compression
algorithm using programmable compression
parameters
Non byte-aligned coded input data is handled
Built-in provisions to generate high quality sampling
clocks for all six supported sampling frequencies; these
sampling clocks may locked to an external PLL to
support an extensive list of input data reference clock
frequencies
Bit-rate and sampling-rate settings may be overruled by
the microcontroller while the SAA2502 is trying to
establish frame synchronization
Input interface mode which requests data based on
input buffer content, enables the handling of variable
bit-rate input streams and input data offered in (fixed
length) bursts
An interrupt output pin which can generate interrupt
requests at the occurrence of various events;
consequently polling by the microcontroller is not
needed in most situations
L3 and the I
2
C-bus microcontroller interface protocols
are supported
The control interface is always fully operational (also
while STOP is asserted)
CRC protection of scale factors is provided for all
supported sample frequencies.
2
APPLICATIONS
Astra Digital Radio (ADR)
Digital Audio Broadcast (DAB)
Digital Versatile Disc (DVD)
Digital Video Broadcast (DVB)
General purpose MPEG2 audio decoding.
3
GENERAL DESCRIPTION
The SAA2502 is a second generation ISO/MPEG audio
source decoder. The device specification has been
enhanced with respect to the SAA2500 and SAA2501 ICs
and therefore it offers in principle all features of its
predecessors.
It supports layer I and II of MPEG1 and the MPEG2
requirements for a stereo decoder.
4
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
SAA2502H
QFP44
plastic quad flat package; 44 leads (lead length 1.3 mm);
body 10
×
10
×
1.75 mm
SOT307-2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA2503 | MPEG2 audio decoder(MPEG2 音頻譯碼器) |
| SAA2503HT | MPEG2 audio decoder |
| SAA2505H-M1 | Digital multi-channel audio IC DUET |
| SAA2505 | Digital multi-channel audio IC DUET |
| SAA2505H | RES 4.99K OHM 1/16W 0.5% 0402SMD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA2503 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:MPEG2 audio decoder |
| SAA2503HT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:MPEG2 audio decoder |
| SAA2505 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital multi-channel audio IC DUET |
| SAA2505H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital multi-channel audio IC DUET |
| SAA2505H-M1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital multi-channel audio IC DUET |
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