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Details, datasheet, quote on part number:SAA2012GP
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Datasheet text preview:
INTEGRATED CIRCUITS
DATA SHEET
SAA2012 Adaptive allocation and scaling for record processing in DCC systems
Product specification Supersedes data of February 1993 File under Integrated Circuits, Miscellaneous September 1995
Philips Semiconductors
Philips Semiconductors
Product specification
Adaptive allocation and scaling for record processing in DCC systems
FEATURES · Stereo or 2-channel mono encoding · Status may be read continuously · Microcontroller interface · I2S interfaces · Allocation algorithm including optional emphasis correction (for 44.1 kHz) · Reduced power consumption · 4 V nominal operating voltage capability. GENERAL DESCRIPTION Performing the Adaptive Allocation and Scaling function in the Precision Adaptive Sub-band Coding (PASC) system, the SAA2012 is intended for use in conjunction with the stereo filter and codec (SAA2002). ORDERING INFORMATION EXTENDED TYPE NUMBER SAA2012GP Note PACKAGE PINS 44 PIN POSITION QFP; note 1 MATERIAL plastic
SAA2012
CODE SOT205AG
1. 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.
September 1995
2
Philips Semiconductors
Product specification
Adaptive allocation and scaling for record processing in DCC systems
BLOCK DIAGRAM
SAA2012
VDD SWS FS256 31 39 33 FDAF 34 INTERFACE COMPENSATION DELAY INTERFACE 32 FDAC SCL 14,24,40
NODONE RESOL0 RESOL1 FDIR FRESET FSYNC SCALE TEST3 TEST4
20 21 22 37 36 35 38 15 16 CONTROL
SAA2012
ALLOCATION AND C SCALING ALCULATION
LTDATA LTCNT1 LTCNT0 LTENA LTCLK CLK24 RESET PWRDWN
5 1 2 3 4 26 23 30
LT INTERFACE
11 7 8 9 10
LTDATAC LTCNT1C LTCNT0C LTENC LTCLKC
6,25,44 VSS
MEA660
Fig.1 Block diagram.
September 1995
3
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