Description

The CXD2508AQ/AR is a digital signal processor for CD players and is equipped with built-in digital filters, no-sound data detection circuit, and 1-bit DAC.

Features

DSP block

• Digital PLL

• EFM frame sync protection

• SEC strategy-based error correction

• Subcode demodulation, CRC checking

• Digital spindle servo

• Servo auto sequencer

• Asymmetry compensation circuit

• Digital audio interface output

• 16K RAM

• Double-speed playback capability

• New microcomputer interface circuit

Digital filter, DAC block

• Double-speed playback capability

• Digital de-emphasis

• Digital attenuation

• No-sound data detection circuit

• 4 Fs oversampling filter

• Secondary ∆∑ noise shaper

• PWM-system pulse conversion output

Applications

CD players