SAA2500H データシートの表示（PDF） - Philips Electronics

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SAA2500H

MPEG Audio Source Decoder

Philips Electronics 

Philips Semiconductors

MPEG Audio Source Decoder

Preliminary specification

SAA2500

FEATURES

• Advanced error protection

• Integrated audio post processing for control of signal

level and inter-channel crosstalk

• Demultiplexing of ancillary data in the input bitstream

• Automatic digital de-emphasis of the decoded

audio signal

• Separate master and slave inputs

• Automatic sample frequency and bit-rate switching in

master input mode

• Automatic synchronization of input and output interface

clocks in master input mode

• Selectable audio output precision; 16, 18, 20 or 22 bit

• Low power consumption.

APPLICATIONS

• Cable and satellite digital radio decoders

• Video CD

• Compact Disc Interactive (CD-I)

• Sold-state audio

• Multimedia Personal Computer (PC).

GENERAL DESCRIPTION

The SAA2500 supports all audio modes (joint stereo,

stereo, single channel and dual channel) bit rates and

sample frequencies of ISO/MPEG-1 layers I and II, as

standardized in “ISO/IEC 11172-3”.

ORDERING INFORMATION

TYPE NUMBER

SAA2500H

NAME

QFP44(1)

PACKAGE

DESCRIPTION

Plastic quad flat package; 44 leads (lead length 1.3 mm);

body 10 × 10 × 1.75 mm

VERSION

SOT307-2

Note

1. When using IR reflow soldering it is recommended that the Drypack instructions in the “Quality Reference

Pocketbook” (order number 9398 510 34011) are followed.

Supply of this “ISO/IEC 11172-3” audio standard Layer I or layer II compatible IC does not convey a licence nor imply a

right under any patent, or any Industrial or Intellectual Property Right, to use this IC in any ready-to-use

electronic product.

September 1994

2

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