CXD2588R Ver la hoja de datos (PDF) - Sony Semiconductor

Número de pieza

componentes Descripción

Fabricante

CXD2588R

CD Digital Signal Processor with Built-in Digital Servo and DAC

Sony Semiconductor 

CXD2588Q/R

CD Digital Signal Processor with Built-in Digital Servo and DAC

For the availability of this product, please contact the sales office.

Description

The CXD2588Q/R 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.

CXD2588Q

100 pin QFP (Plastic)

CXD2588R

100 pin LQFP (Plastic)

Features

Digital Signal Processor (DSP) Block

• Playback mode which supports CAV (Constant

Angular Velocity)

• Frame jitter free

• 0.5× to 4× continuous playback possible

• Allows relative rotational velocity readout

• Supports spindle external control

• Wide capture range playback mode

• Spindle rotational velocity following method

• Supports normal-speed, 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 compensation 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

• Surf jump function supporting micro two-axis

Digital Filter, DAC and Analog Low-Pass Filter Blocks

• DBB (digital bass boost) function

• Double-speed playback supported

• Digital de-emphasis

• Digital attenuation

• Zero detection function

• 8Fs oversampling digital filter

• S/N: 100dB or more (master clock: 384Fs, typ.)

• Logical value: 109dB

• THD + N: 0.007% or less (master clock: 384Fs, typ.)

• Rejection band attenuation: –60dB or less

Applications

CD players

Structure

Silicon gate CMOS IC

Absolute Maximum Ratings

• Supply voltage

VDD

–0.3 to +7.0 V

• Input voltage

VI

–0.3 to +7.0 V

(VSS – 0.3V to VDD + 0.3)

• Output voltage

VO

–0.3 to +7.0 V

• Storage temperature Tstg

–40 to +125 °C

• Supply voltage difference

VSS – AVSS –0.3 to +0.3 V

VDD – AVDD –0.3 to +0.3 V

Recommended Operating Conditions

• Supply voltage

VDDNote)

+2.7 to +5.5 V

• Operating temperature Topr

–20 to +75 °C

Note) The VDD for the CXD2588Q/R varies according

to the playback speed selection.

Playback

speed

4×

1×

1×

VDD [V]

CD-DSP block

DAC block

4.75 to 5.25

3.0 to 5.5

4.5 to 5.5

2.7 to 5.5

2.7 to 5.5

I/O Capacitance

• Input pin

CI

• Output pin

CO

• I/O pin

CI/O

11 (Max.) pF

11 (Max.) pF

11 (Max.) pF

Note) Measurement conditions VDD = VI = 0V

fM = 1MHz

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by

any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the

operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

–1–

E97519-PS

Share Link: