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Philips Semiconductors
CMOS digital decoding IC with RAM for
Compact Disc
FEATURES
Integrated data slicer and clock regenerator
Digital Phase-Locked Loop (PLL)
Demodulator and Eight-to-Fourteen Modulation (EFM)
decoding
Subcoding microcontroller serial interface
Integrated programmable motor speed control
Error correction and concealment functions
Embedded Static Random Access Memory (SRAM) for
de-interleave and First-In First-Out (FIFO)
FIFO overflow concealment for rotational shock
resistance
Digital audio interface [European Broadcasting Union
(EBU)]
2 to 4 times oversampling integrated digital filter
Audio data peak level detection
Versatile audio data serial interface
Digital de-emphasis filter
Kill interface for Digital-to-Analog Converter (DAC)
deactivation during digital silence
Double speed mode
Compact Disc Read Only Memory (CD-ROM) modes
A single speed only version is available
(SAA7345GP/SS).
QUICK REFERENCE DATA
SYMBOL
V
supply voltage
DD
I
supply current
DD
f
crystal frequency
xtal
T
operating ambient temperature
amb
T
storage temperature
stg
ORDERING INFORMATION
TYPE
NUMBER
NAME
SAA7345GP
QFP44
1998 Feb 16
PARAMETER
plastic quad flat package; 44 leads (lead length 2.35 mm); body
14
14
2.2 mm
GENERAL DESCRIPTION
The SAA7345 incorporates the CD signal processing
functions of decoding and digital filtering. The device is
equipped with on-board SRAM and includes additional
features to reduce the processing required in the analog
domain.
Supply of this Compact Disc IC does not convey an implied
license under any patent right to use this IC in any
Compact Disc application.
MIN.
3.4
5.0
22
8
16.9344 or
33.8688
40
55
PACKAGE
DESCRIPTION
2
Product specification
SAA7345
TYP.
MAX.
5.5
50
35
+85
+125
UNIT
V
mA
MHz
C
C
VERSION
SOT205-1
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