CXD2597Q

CXD2597Q CD Digital Signal Processor with Built-in Digital Servo and DAC For the availability of this product, please contact the sales office. Description The CXD2597Q is a digital signal processor LSI for CD players. This LSI incorporates a digital servo, digital filter, zero detection circuit, 1-bit DAC and analog low-pass filter on a single chip. Features Digital Signal Processor (DSP) Block Playback mode supporting CAV (Constant Angular Velocity) Frame jitter free 0.5× to 4× continuous playback possible Allows relative rotational velocity readout Wide capture range playback mode Spindle rotational velocity following method Supports normal-speed to 4× speed playback 16K RAM EFM data demodulation Enhanced EFM frame sync signal protection SEC strategy-based error correction Subcode demodulation and Sub Q data error detection Digital spindle servo 16-bit traverse counter Asymmetry correction circuit CPU interface on serial bus Error correction monitor signal, etc. output from a new CPU interface Servo auto sequencer Digital audio interface outputs Digital level meter, peak meter CD TEXT data demodulation Digital Servo (DSSP) Block Microcomputer software-based flexible servo control Offset cancel function for servo error signal Auto gain control function for servo loop E:F balance, focus bias adjustment functions Digital Filter, DAC and Analog Low-Pass Filter Blocks DBB (digital bass boost) function Double-speed playback s...