SAA2501 查看數據表（PDF） - Philips Electronics

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SAA2501

Digital Audio Broadcast (DAB) decoder

Philips Electronics 

Philips Semiconductors

Digital Audio Broadcast (DAB) decoder

Preliminary specification

SAA2501

1 FEATURES

• Advanced error protection

• Integrated audio post processing for control of signal

level and inter-channel crosstalk

• Demultiplexing of Program Associated Data (PAD) 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

• Decoded sub-band signal and error flag outputs for error

concealment.

2 APPLICATION

• Digital Audio Broadcast systems as defined in

“Eureka 147”.

3 GENERAL DESCRIPTION

The SAA2501 audio source decoder supports ISO/IEC

MPEG layers I and II and all DAB specific features as

described in “Eureka 147 draft specification (EU147)”.

4 ORDERING INFORMATION

TYPE NUMBER

SAA2501H

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 Handbook”

(order number 9398 510 63011) 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.

January 1995

3

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