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Part: SAA2022
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Datasheet: Download SAA2022 datasheet File size : 2565 kB
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INTEGRATED CIRCUITS
DATA SHEET
SAA2002 Stereo filter and codec
Product specification Supersedes data of February 1993 File under Integrated Circuits, Miscellaneous December 1993
Philips Semiconductors
Philips Semiconductors
Product specification
Stereo filter and codec
FEATURES · Stereo filtering and codec functions in a single chip · Drive processing interface · Filtered data interface · Baseband audio data interface · LT interface to microcontroller · Clock generator · Low operating voltage capability. GENERAL DESCRIPTION The SAA2002 performs the sub-band filtering and audio frame codec functions in a Precision Adaptive Sub-band Coding (PASC) system. It is capable of functioning as a stand-alone decoder, but requires the addition of an Adaptive Allocation and Scale factor processor (SAA2012) in order to perform PASC encoding in a DCC record system. ORDERING INFORMATION EXTENDED TYPE NUMBER SAA2002GP Note 1. PACKAGE PINS 44 PIN POSITION QFP (1) MATERIAL plastic
SAA2002
CODE SOT205AG
When using reflow soldering it is recommended that the Dry Packing instructions in the Quality Reference Pocketbook are followed. The pocketbook can be ordered using the code 9398 510 34011.
December 1993
2
Philips Semiconductors
Product specification
Stereo filter and codec
SAA2002
CLK24 X22OUT X24OUT CLK22 X22IN X24IN 38 1 39 40 41 42 43
V DD 28,44 8 SBDA SBCL SBWS SBMCLK
FS256
CLOCK GENERATOR
SAA2002
SBDIR SBEF
7 11
SUB-BAND S I ERIAL NTERFACE
9 10 12
SSTEREO UB-BAND F P ILTER ROCESSOR
P
C ASC P ODEC ROCESSOR
2 3 4
MUTEDAC DEEMDAC ATTDAC
SWS SCL SDA
20 19 21 BASEBAND S I ERIAL NTERFACE I FILTERED D ATA NTERFACE I MICROPROCESSOR NTERFACE & CONTROL
5,37 V SS
18
17
16
15 FRESET
14
13
36
35
34
33
32
22
29
6
MEA655 - 1
FDAF FDAC FSYNC
SYNCDAI
LTCNT0
LTCLK
PWRDWN
URDA
FDIR
LTCNT1
LTENSFC
LTDATA
RESET
Fig.1 Block diagram.
December 1993
3
Others parts begin by sa
SA-1 SA-2 SA-3 SA-4 SA-5 SA-6 SA-7 SA-8 SA-9 SA-10 SA-11 SA-12 SA-13 SA-14 SA-15 SA-16 SA-17 SA-18 SA-19 SA-20 SA-21 SA-22 SA-23 SA-24 SA-25 SA-26 SA-27 SA-28 SA-29 SA-30
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