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音频信号处理器

Analog Device，Inc.（简称ADI）拥有适合音频应用的各种音频专用DSP和通用DSP。其中SigmaDSP™ 允许用户对音频DSP使用SigmaStudio graphical tool 编程方法，而不必使用汇编语言或C语言。许多SigmaDSP处理器集成了高性能的音频ADC和DAC，可构建完整的音频片上系统（Soc）。ADI公司的SHARC® 处理器 是音频处理领域的佼佼者，而Blackfin® 处理器适合于移动多媒体应用。如有问题，请查看SigmaDSP常见问题解答。如需更进一步帮助，请Email至sigmadsp@analog.com.sigmadsp@analog.com.

新产品

  • ADAU1781- SigmaDSP Low-noise Stereo Audio Codec for Portable Applications
    ADAU1781: SigmaDSP Low-noise Stereo Audio Codec for Portable Applications

    The ADAU1781 is a low-power, 24-bit stereo audio codec. The stereo audio DAC supports sample rates from 8 kHz to 96 kHz, a digital volume control, and a programmable digital filter. The stereo audio ADC supports sample rates 8 kHz to 96 kHz and a programmable digital volume control. The ADAU1781 is ideal for battery-powered audio applications.

    The SigmaDSP® core features 28-bit processing MoreRead more

    ADAU1781 Diagram

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帮助

  • Sort: Click on the arrows beneath the parameter on which you would like to sort, ascending and descending order.

  • Add/Remove Parameters: Click on the Add/Remove Parameters button. Select/deselect the checkbox of the parameter in the add/remove parameter pop up box. Click on "Update" for the table to redraw with new selection of parameters.

  • Filter: Enter the desired value to filter parameter(s) by, and click the "Update Results" button to update the table display.

  • Reset Table: Click "Reset Table" to clear all filters/sorts and restore table back to default view.

  • Quick Filters: When applicable, select a quick filter with preset parameters filtered to narrow the results returned.

  • No Parts Returned: Adjust the filters on your least critical selection parameters in order to broaden your search.

Audio Signal Processors
  • Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order
  • Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

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Part#
Results: 10
Instructions/CyclesDAC DNR (dB)DAC THD+N @ 1 kHz (-3dB)ADC DNR (dB)ADC THD+N (dB)Digital I/O ChannelsAnalog I/O ChannelsProduct DescriptionPrice* (1000-4999)
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AD19401,536n/an/a--16/160/0SigmaDSP Multichannel 28-/56-Bit Audio Processor w/ 4-Wire SPI ® control interface. $8.45
AD19411,536n/an/a--16/160/0SigmaDSP Multichannel 28-/56-Bit Audio Processor w/ 2-wire I2C ® control interface. $8.45
AD1953512112100--4/60/3SigmaDSP 3 Ch, 26-/48-Bit Processing D/A $7.14
AD1954512112100--4/20/3SigmaDSP 3 Ch, 26-/48-Bit Processing D/A $7.14
ADAU14011,02410490100-838/82/428/56-Bit Automotive Audio Processor with Two ADCs and Four DACs $5.68
ADAU14453,584----24/24-SigmaDSP® Digital Audio Processor with Flexible Audio Routing Matrix, 2 x 8-ch ASRC $9.31
ADAU14463,584----24/24-SigmaDSP® Digital Audio Processor with Flexible Audio Routing Matrix, 2 x 8-ch ASRC $8.28
ADAU17011,02410490100-838/82/4SigmaDSP® 28/56-Bit Audio Processor with Two ADCs and Four DACs $4.52
ADAU170251210490100-838/82/4SigmaDSP 28/56-Bit Audio Processor with 2 ADC/4 DAC $3.57
ADAU17611,0249990101-928/82/2SigmaDSP® Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL $3.91
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帮助

  • Sort: Click on the arrows beneath the parameter on which you would like to sort, ascending and descending order.

  • Add/Remove Parameters: Click on the Add/Remove Parameters button. Select/deselect the checkbox of the parameter in the add/remove parameter pop up box. Click on "Update" for the table to redraw with new selection of parameters.

  • Filter: Enter the desired value to filter parameter(s) by, and click the "Update Results" button to update the table display.

  • Reset Table: Click "Reset Table" to clear all filters/sorts and restore table back to default view.

  • Quick Filters: When applicable, select a quick filter with preset parameters filtered to narrow the results returned.

  • No Parts Returned: Adjust the filters on your least critical selection parameters in order to broaden your search.

Audio Signal Processors for TV Audio
  • Use Up or Down Arrows in Heading to Sort in Ascending or Descending Order
  • Narrow Results by Entering Values in Numeric Fields or by Pull Down Selections

添加/移除参数











Part#
Results: 8
Instructions/Cycles# ADC Input Channels# DAC OutputsDAC DNR (dB)DAC THD+N @ 1 kHz (-3dB)ADC THD+N (dB)Digital I/O ChannelsDigital Output PWM ChsProduct DescriptionPrice* (1000-4999)
Sort
sortDescending sortAscending
sortDescending sortAscending
sortDescending sortAscending
sortDescending sortAscending
sortDescending sortAscending
sortDescending sortAscending
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sortDescending sortAscending
          
ADAV4002,560289593-908/8-Audio Codec with Embedded SigmaDSP® Processor $9.10
ADAV41012,560269585-908/2-Audio Processor for Advanced TV $7.77
ADAV43122,5604119585-908/2-Audio Processor for Advanced TV w/ Sound IF Demod & Stereo Decoder $10.63
ADAV43222,5604119585-908/2-Audio Processor for Advanced TV w/ Sound IF Demod & Stereo Decoder $11.66
ADAV44122,5604-9585-908/2-Audio Processor for Advanced TV w/ Sound IF Demod & Stereo Decoder $10.36
ADAV44222,5604-9585-908/24Audio Processor for Advanced TV w/ Sound IF Demod & Stereo Decoder $11.40
ADAV4601-269486-90-8Audio Processor for Advanced TV $6.21
ADAV46222,560489486-90-8Audio Processor for Advanced TV with Sound IF Demodulator and Stereo Decoder $9.58
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