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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, over...

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SeekIC No. : 004318558 Detail

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 attenuat...

CXD2721Q-1 Data Sheet

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Part Number:
CXD2721Q-1
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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


Application

Equipment with Karaoke functions, such as video CD/LD/CD-G/CD, compact music centers, video games, etc.


Pinout

Connection Diagram


Specifications

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



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




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