CXD2597Q
CXD2597Q is CD Digital Signal Processor with Built-in Digital Servo and DAC manufactured by Sony Semiconductor Solutions.
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
- Microputer 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...
