CXD2720Q, CXD2720Q-2, CXD2721Q Selling Leads, Datasheet
MFG:SONY Package Cooled:QFP D/C:08+
CXD2720Q, CXD2720Q-2, CXD2721Q Datasheet download
Part Number: CXD2720Q
MFG: SONY
Package Cooled: QFP
D/C: 08+
CXD2720Q, CXD2720Q-2, CXD2721Q
- Table of contents:
Info of CXD2720Q
Info of CXD2720Q-2
Info of CXD2721Q
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About CXD2720Q
PDF/DataSheet Download
Datasheet: CXD2720Q
File Size: 627187 KB
Manufacturer: SONY [Sony Corporation]
Download : Click here to Download
About CXD2720Q-2
PDF/DataSheet Download
Datasheet: CXD2720Q-2
File Size: 544481 KB
Manufacturer: SONY [Sony Corporation]
Download : Click here to Download
About CXD2721Q-1
PDF/DataSheet Download
Datasheet: CXD2721Q-1
File Size: 964490 KB
Manufacturer: SONY [Sony Corporation]
Download : Click here to Download
CXD2720Q General Description
The CXD2720Q 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, microphone echo and voice canceling are contained on a single chip.
CXD2720Q Maximum Ratings
| Supply voltage | VDD | VSS0.5 to +7.0 | V |
| Input voltage | VI | VSS 0.5 to VDD + 0.5 | V |
| Output voltage | VO | VSS 0.5 to VDD + 0.5 | V |
| Operating temperature | Topr | 20 to +75 | °C |
| Storage temperature | Tstg | 55 to +150 | °C |
CXD2720Q Features
• Key controller pitch setting can be varied to a
maximum of ±1 octave with a precision of 14 bits
• Microphone echo delay time can be varied to a
maximum of 185ms (when Fs = 44.1kHz)
• Voice canceller supports settings other than center by the panpot volume
• Voice parametric equalizer
• Voice pitch shifter
• Mixing function to support sound multiplexing software
• Digital de-emphasis function
maximum of ±1 octave with a precision of 14 bits
• Microphone echo delay time can be varied to a
maximum of 185ms (when Fs = 44.1kHz)
• Voice canceller supports settings other than center by the panpot volume
• Voice parametric equalizer
• Voice pitch shifter
• Mixing function to support sound multiplexing software
• Digital de-emphasis function
CXD2720Q Typical Application
Equipment having Karaoke function, such as LD/CD, compact music center, video games, etc.
CXD2720Q Connection Diagram
CXD2720Q-2 General 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.
CXD2720Q-2 Maximum Ratings
| Supply voltage | VDD | VSS0.5 to +7.0 | V |
| Input voltage | VI | VSS 0.5 to VDD + 0.5 | V |
| Output voltage | VO | VSS 0.5 to VDD + 0.5 | V |
| Operating temperature | Topr | 20 to +75 | °C |
| Storage temperature | Tstg | 55 to +150 | °C |
CXD2720Q-2 Features
• 3-channel 1-bit AD converter and decimation filter
S/N ratio: 88 dB
THD + N: 0.016%
Filter pass band ripple: less than ±0.008dB
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: less than ±0.2dB
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
S/N ratio: 88 dB
THD + N: 0.016%
Filter pass band ripple: less than ±0.008dB
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: less than ±0.2dB
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
CXD2720Q-2 Typical Application
Equipment having Karaoke function, such as LD/CD, compact music center, video games, etc.
CXD2720Q-2 Connection Diagram
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