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  1. ADAU1452
    Production
    Product
    SigmaDSP Audio Processors
    SigmaDSP Digital Audio Processor
    ADAU1452

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    Datasheet

    Documentation

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    Sample & Buy

  2. EVAL-AD2428WD1BZ BOM
    Evaluation Design File
    EVAL-AD2428WD1BZ Bill of Materials

    PDF

    116.3 K

  3. ADAU1452/ADAU1451/ADAU1450: SigmaDSP Digital Audio Processor Data Sheet
    Data Sheet
    The ADAU1452/ADAU1451/ADAU1450 are automotive qualified audio processors that far exceed the digital signal processing capabilities of earlier SigmaDSP® devices.

    PDF

    2.85 M

  4. ADAU1450
    Production
    Product
    SigmaDSP Audio Processors
    SigmaDSP Digital Audio Processor
    ADAU1450

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  5. ADAU1451
    Production
    Product
    SigmaDSP Audio Processors
    SigmaDSP Digital Audio Processor
    ADAU1451

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  6. ADAU1462
    Production
    Product
    SigmaDSP Audio Processors
    SigmaDSP Compact Digital Audio Processor
    ADAU1462

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  7. ADAU1462/ADAU1466: SigmaDSP Digital Audio Processor Data Sheet
    Data Sheet
    The ADAU1462/ADAU1466 are automotive qualified audio processors that far exceed the digital signal processing capabilities of earlier SigmaDSP® devices.

    PDF

    10.16 M

  8. ADAU1467
    Production
    Product
    SigmaDSP Audio Processors
    Sigma DSP, Digital Audio Processor with Extended Internal Memory and I/O Functionality
    ADAU1467

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  9. ADAU1463
    Production
    Product
    SigmaDSP Audio Processors
    Sigma DSP, Digital Audio Processor with Increased I2S Flexibility
    ADAU1463

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  10. ADAU1466
    Production
    Product
    SigmaDSP Audio Processors
    SigmaDSP Compact Digital Audio Processor with Extended Internal Memory
    ADAU1466

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Results on EngineerZone

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    1. Unable to program DSP and Boot EEPROM on ADAU1452

      Forum Thread
      Answered
      SigmaDSP Processors & SigmaStudio Dev. Tool
      24 October, 2022
      We have created a new custom PCB design that uses the ADAU1452WBCPZ Sigma DSP. We are unable to program the DSP internally or program the external Boot EEPROM. We are using Sigma Studio, Ver 4.7 with a PE MIcro Multilink Universal programming / debug probe. We can see the Target …
      Audio Signal Processorsadau1452programmingsoftwareSigma Studio Ver 4.7sigmaStudio 4.7SigmaDSP Audio ProcessorsADAU1452WBCPZ

    2. Best MCLK source for an MCU-controlled HDMI DSP setup

      Forum Thread
      Answered
      SigmaDSP Processors & SigmaStudio Dev. Tool
      16 May, 2025
      I purchased an ADAU1452 Core Board from MediaWorks (aka MidiWorx on AliExpress). The board mounts an ADAU1452WBCPZ (#2201 D 5625508.1) and is very well designed, including pull-up/pull-down resistors for the control ports and an internal 12.288 MHz crystal. The only issue I am having is …
      Audio Signal Processorsadau1452hardwareadau1452 sigmastudioadau1452 + mcuSigmaDSP Audio ProcessorsADAU1452 + sigmaStudio4.7

    3. ADAU1452 Part Number choose

      Forum Thread
      Answered
      Audio
      16 May, 2023
      Dear Sir In Datasheet Part NumberADAU1452WBCPZ and ADAU1452WBCPZ150 have differences in other parts except the price Thanks You FRANK CHU
      Audio Signal Processorsadau1452Datasheet/SpecsADAU14522datasheet Rev.DSigmaDSP Audio Processors

    4. How do I recognize an ADAU1452-150?

      Forum Thread
      Answered
      SigmaDSP Processors & SigmaStudio Dev. Tool
      11 April, 2021
      … the user, and SigmaStudio doesn't have a 1452-150 part I noticed, though, that there is a half-clock version of the ADAU1542, the ADAU1452WBCPZ150. How would I recognize if the chip on those boards is the full speed or half-speed version, from the markings on the chip …
      Audio Signal Processorsadau1452SigmaDSP Audio Processorsadau1466

    5. RE: ADAU1452 Part Number choose

      Forum Reply
      Audio
      17 May, 2023
      Hello FRANK CHU, The ADAU1452WBCPZ is a 294.912MHz (commonly called as 300MHz) clock speed variant. It will have 6144 instructions per sample period at 48KHz sample rate. whereas the ADAU1452WBCPZ150 is slower grade which has 147.456MHz (commonly called as 150MHz variant) system clock. So, the total number of …

    6. RE: How do I recognize an ADAU1452-150?

      Forum Reply
      SigmaDSP Processors & SigmaStudio Dev. Tool
      12 April, 2021
      Hello robca, The marking would say ADAU1452WBCPZ150 so the picture does show a "300MHz" part. We usually round up to 300 or 150 to make it easier to describe. Yes, the ADAU1452 is only rated to 96kHz for SPDIF. The ADAU1466 will get you the 192kHz SPDIF. That was one …

    7. ADAU1452 - Question on EEPROM Properties

      Forum Thread
      Answered
      SigmaDSP Processors & SigmaStudio Dev. Tool
      31 July, 2023
      We have designed an ADU1452 DSP into our new product. We based the Self Boot SPI EEPROM on the ADAU1452 EVK. This used: Microchip 25AA1024 EEPROM 1M-bit (1048576 bits) 512 pages - 256 bytes each. Max clock 20 MHz. We chose a larger EEPROM device: WinBond W25Q80DVSNIG, 8-Mbit (8 …
      Audio Signal Processorsadau1452Audio ProductssoftwareADAU1452WBCPZ150sigma studio 4.7SigmaDSP Audio Processors

    8. ADAU1451WBCPZ-RL - Recommendation details (Pull up / Pull down / Floating) for the pin (GPIO/I2S/I2C/SPI/SPDIF/THD)

      Forum Thread
      Answered
      SigmaDSP Processors & SigmaStudio Dev. Tool
      16 September, 2022
      Could you please share the Recommendation details (Pull up / Pull down / Floating) for the pin (GPIO/I2S/I2C/SPI/SPDIF/THD) pin also when it is not used.
      Audio Signal Processorsadau1451hardwaresigmastudioSigmaDSP Audio ProcessorsADAU1451WBCPZ-RL

    9. ADAU1451WBCPZ-RL - Recommendation details (Pull up / Pull down / Floating) for ADC pin not used

      Forum Thread
      Answered
      SigmaDSP Processors & SigmaStudio Dev. Tool
      29 March, 2022
      Hi,Could you please share the Recommendation details (Pull up / Pull down / Floating) for ADC pin when it is not used in the ADAU1451WBCPZ-RL DSPPlease provide the information as soon as possible. Thanks in advance Thanks & Regards, Thangaprabu S

    10. ADAU1451WBCPZ DSP PLL Lock

      Forum Thread
      Answered
      SigmaDSP Processors & SigmaStudio Dev. Tool
      12 November, 2015
      For our new design we’re using the ADAU1451WBCPZ DSP. Unfortunately I ‘m experiencing PLL lock problem. The PLL lock way form shown below: We’re using external clock 24.576MHZ for the 16 channels output TDM. PLL fitter connection showing below: I tried to adjust R413 in a …