SAA2501 Datasheet, PDF (3/52 Pages) NXP Semiconductors – Digital Audio Broadcast DAB decoder

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