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參數(shù)資料
| 型號： | CXD2508AR |
| 廠商： | Sony Corporation |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | CD Digital Signal Processor |
| 中文描述： | CD數(shù)字信號處理器 |
| 文件頁數(shù)： | 1/49頁 |
| 文件大?。?/td> | 858K |
| 代理商： | CXD2508AR |
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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
Recommended Operating Conditions
Supply voltage V
DDNote)
4.5 to 5.5V
(double-speed playback)
3.5 to 5.5V
(normal-speed playback)
3.4 to 5.5V
(low power consumption
or special playback mode)
Operating temperature
Topr
–20 (min.)
75 (max.)
°C
Note)
V
DD
(min.) is varied by the playback speed and built-in
VCO in the CXD2508AQ/AR. 4.5V is the value using the
VCO which generates the slower frequency in double-
speed playback. The table below shows the V
DD
(min.)
for each condition.
When the internal operation of the LSI is set to double-
speed mode and the crystal oscillation frequency is
halved, normal-speed playback results.
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.
Applications
CD players
Structure
Silicon gate CMOS IC
Absolute Maximum Ratings
Supply voltage
Input voltage
Input voltage
Output voltage
Storage temperature
V
DD
V
I
V
IN
Vss–0.3V (min.) V
DD
+0.3 (max.) V
V
O
–0.3 to 7.0
–0.3 to 7.0
–0.3 to 7.0
V
V
V
Tstg
–40 to 125
°C
Supply voltage variation
V
SS
–AV
SS
V
DD
–AV
DD
–0.3V (min.) +0.3V (max.)
–0.3V (min.) +0.3V (max.)
– 1 –
CXD2508AQ/AR
E94602A54-ST
CD Digital Signal Processor
For the availability of this product, please contact the sales office.
CXD2508AQ
80 pin QFP (Plastic)
CXD2508AQ
80 pin QFP (Plastic)
CXD2508AR
80 pin LQFP (Plastic)
CXD2508AQ
80 pin QFP (Plastic)
Playback
speed
VCO
high-speed
VCO
normal-speed
DAC block
×
2
3.40
4.50
3.40
×
1
×
1
3.40
3.50
3.40
3.40
3.40
3.40
V
DD
(min.) [V]
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CXD2531BR | ATRAC Encoder/Decoder |
| CXD2545Q | CD DIGITAL SIGNAL PROCESSOR WITH BUILT-IN DIGITAL SERV |
| CXD2550P | Digital Filter for CD |
| CXD2564AM | 1-bit Audio D/A Converter (with Digital Filter) |
| CXD2565M | CXD2565M |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CXD2510Q | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:CD Digital Signal Processor |
| CXD2512R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:C-MOS ESP CONTROLLER FOR CD |
| CXD2513AR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:C-MOS ELECTRONIC ZOOMING/ELECTRICAL IMAGE STABILIZER |
| CXD2515Q | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:C-MOS CD DIGITAL PROCESSOR WITH SERVO |
| CXD2525AQ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CD-Player Decoder |
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