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參數(shù)資料
| 型號： | CXD2720Q-2 |
| 廠商： | Sony Corporation |
| 英文描述： | CAP 10UF 50V 20% TANT SMD-7343-43 TR-13 GOLD |
| 中文描述： | 單片杜比定向邏輯環(huán)繞聲解碼器 |
| 文件頁數(shù)： | 1/47頁 |
| 文件大?。?/td> | 531K |
| 代理商： | CXD2720Q-2 |
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CXD2720Q-2
E97315-PS
Single-Chip Digital Signal Processor for Karaoke
Description
The CXD2720Q-2 is a digital signal processor LSI
for Karaoke, suitable for use in LD/CD/CD-G/video
CD and the like.
A large capacity DRAM and AD/DA converters are
built in, and Karaoke functions such as key control
and microphone echo are contained on a single
chip.
Features
3-channel 1-bit AD converter and decimation filter
S/N ratio: 88 dB
THD + N: 0.016%
Filter pass band ripple:
Filter stop band attenuation: less than –62dB
(all characteristics are typical values)
2-channel 1-bit DA converter and oversampling
filter
S/N ratio: 98dB
THD + N: 0.006%
Filter pass band ripple:
Filter stop band attenuation: less than –41dB
(all characteristics are typical values)
In addition to analog input/output, 2-channel input/
2-channel output of digital input/output are provided.
The interface also supports a variety of formats.
128K-bit DRAM for key control and microphone
echo processing
less than ±0.008dB
less than ±0.2dB
Functions
Key controller pitch setting can be varied to a
maximum of ±1 octave with a precision of 14 bits
Two key controllers are provided.
For their pitches, either of common or independent
setting is possible
Key controller can be used for voice
Microphone echo delay time can be varied to a
maximum of 185ms (when fs = 44.1kHz)
Voice parametric equalizer
Mixing function to support sound multiplexing
software
Digital de-emphasis function
Soft mute function
Structure
Silicon gate CMOS
Applications
Equipment having Karaoke function, such as
LD/CD, compact music center, video games, etc.
Absolute Maximum Ratings
(Ta = 25°C, V
SS
= 0V)
V
SS
– 0.5 to +7.0
V
I
V
SS
– 0.5 to V
DD
+ 0.5 V
V
O
V
SS
– 0.5 to V
DD
+ 0.5 V
Supply voltage
Input voltage
Output voltage
Operating temperature
V
DD
V
Topr
–20 to +75
–55 to +150
°C
°C
Storage temperature Tstg
Recommended Operating Conditions
Supply voltage
Operating temperature
V
DD
4.5 to 5.5 (5.0 typ.)
V
Ta
–20 to +75
°C
Input/Output Capacitance
Input capacitance
Output capacitance
Input/output capacitance C
I/O
Measurement conditions: V
DD
= V
I
= 0V, F = 1MHz
C
IN
C
OUT
11 (max.)
11 (max.)
9 (max.)
pF
pF
pF
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.
100 pin QFP (Plastic)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CXD2721Q-1 | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Digital Signal Processor for Karaoke |
| CXD2724AQ-1 | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Dolby Pro Logic Surround Decoder |
| CXD2724AQ-3 | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Dolby Pro Logic Surround Decoder |
| CXD2728Q | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Dolby Pro Logic Surround Decoder |
| CXD2917 | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:DIGITAL AUDIO DATA MODULATION AND TRANSMISSION |
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