CXD2721Q1, CXD2721Q-1, CXD2726Q-1248 Selling Leads, Datasheet
MFG:SONY Package Cooled:QFP D/C:148
CXD2721Q1, CXD2721Q-1, CXD2726Q-1248 Datasheet download
Part Number: CXD2721Q1
MFG: SONY
Package Cooled: QFP
D/C: 148
CXD2721Q1, CXD2721Q-1, CXD2726Q-1248
- Table of contents:
Info of CXD2721Q1
Info of CXD2721Q-1
Info of CXD2726Q-1248
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About CXD101-106Q
PDF/DataSheet Download
Datasheet: CXD101-106Q
File Size: 76878 KB
Manufacturer: ETC [ETC]
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
About CXD101-106Q
PDF/DataSheet Download
Datasheet: CXD101-106Q
File Size: 76878 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
CXD2721Q-1 General Description
The CXD2721Q-1 is a Karaoke LSI suitable for use in video CD/LD/CD-G/CD and the like. A large capacity DRAM and AD/DA converters are built in, and a Karaoke mode providing simple surround and Karaoke functions such as key control, microphone echo and voice cancelling, and a music mode providing functions such as surround, parametric equalizer and bass/treble tone control are contained on a single chip
CXD2721Q-1 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 |
CXD2721Q-1 Features
• 3-channel 1-bit AD converter, decimation filter and prefilter operational amplifier
S/N ratio: 92dB
THD + N: 0.02%
Filter pass band ripple: ±0.5dB or less
Filter stop band attenuation: 41dB or less
(all characteristics are typical values)
• 2-channel 1-bit DA converter, oversampling filter and post filter
S/N ratio: 97dB
THD + N: 0.005%
Filter pass band ripple: ±0.2dB or less
Filter stop band attenuation: 41dB or less
(all characteristics are typical values)
• In addition to analog I/O, digital I/O (2-channel input/2-channel output)
are provided. The interface also supports a wide variety of formats.
• 128K-bit DRAM for key control, microphone echo and surround processing
S/N ratio: 92dB
THD + N: 0.02%
Filter pass band ripple: ±0.5dB or less
Filter stop band attenuation: 41dB or less
(all characteristics are typical values)
• 2-channel 1-bit DA converter, oversampling filter and post filter
S/N ratio: 97dB
THD + N: 0.005%
Filter pass band ripple: ±0.2dB or less
Filter stop band attenuation: 41dB or less
(all characteristics are typical values)
• In addition to analog I/O, digital I/O (2-channel input/2-channel output)
are provided. The interface also supports a wide variety of formats.
• 128K-bit DRAM for key control, microphone echo and surround processing
CXD2721Q-1 Typical Application
Equipment with Karaoke functions, such as video CD/LD/CD-G/CD, compact music centers, video games, etc.
CXD2721Q-1 Connection Diagram
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