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.

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).