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參數(shù)資料
| 型號： | CXD3005R |
| 廠商： | Sony Corporation |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | CD Digital Signal Processor with Built-in Digital Servo and DAC |
| 中文描述： | CD數(shù)字信號處理器，具有內(nèi)置數(shù)字伺服和DAC |
| 文件頁數(shù)： | 1/136頁 |
| 文件大?。?/td> | 1682K |
| 代理商： | CXD3005R |
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Description
The CXD3005R is a digital signal processor LSI for
CD players. This LSI incorporates a digital servo,
digital filter and 1-bit DAC.
Features
All digital signal processing during playback is
performed with a single chip
Highly integrated mounting possible due to a built-
in RAM
Digital Signal Processor (DSP) Block
Playback mode supporting CAV (Constant Angular
Velocity)
Frame jitter free
0.5
×
to 20
×
continuous playback possible with a
low external clock
Allows relative rotational velocity readout
Wide capture range playback mode
Spindle rotational velocity following method
Supports 1
×
to 20
×
playback by switching the built-
in VCO
The bit clock, which strobes the EFM signal, is
generated by the digital PLL
EFM data demodulation
Enhanced EFM frame sync signal protection
Refined super strategy-based powerful error
correction
C1: double correction, C2: quadruple correction
Supported during 20
×
playback
Noise reduction during track jumps
Auto zero-cross mute
Subcode demodulation and Sub Q data error
detection
Digital spindle servo (built-in oversampling filter)
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
Fine search performs track jumps with high
accuracy
Digital audio interface outputs
Digital level meter, peak meter
Bilingual compatible
Digital Servo (DSSP) Block
Microcomputer
control
Offset cancel function for servo error signal
Auto gain control function for servo loop
E:F balance, focus bias adjustment function
Surf jump function supporting micro two-axis
software-based
flexible
servo
Digital Filter and DAC Blocks
Digital de-emphasis
Digital attenuation
4Fs oversampling filter
Adoption of a secondary
∑
noise shaper
Supports double-speed playback
Structure
Silicon gate CMOS IC
Absolute Maximum Ratings
Supply voltage
Input voltage
V
DD
V
I
–0.3 to +4.6
–0.3 to +4.6
V
V
(V
SS
– 0.3V to V
DD
+ 0.3V)
–0.3 to +4.6
–40 to +125
Output voltage
Storage temperatureTstg
Supply voltage difference
V
O
V
°C
V
SS
– AV
SS
–0.3 to +0.3
V
DD
– AV
DD
–0.3 to +0.3
V
V
Recommended Operating Conditions
Supply voltage
Operating temperature
V
DD
3.0 to 4.0
V
Topr
–20 to +75
°C
The V
DD
(min.) for the CXD3005R varies
according to the playback speed and built-in VCO
selection. The V
DD
(min.) for the CXD3005R under
various conditions are as shown on the following
page.
– 1 –
CXD3005R
E97202A77
CD Digital Signal Processor with Built-in Digital Servo and DAC
For the availability of this product, please contact the sales office.
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.
144 pin LQFP (Plastic)
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