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  1. AD1974
    Production
    Product
    Audio A/D Converters
    4 ADC with PLL, 192 kHz, 24-Bit ADC
    AD1974

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  2. AD1934
    Production
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    Audio D/A Converters
    8-Channel DAC with PLL, 192 kHz, 24 Bits
    AD1934

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  3. AD1939
    Production
    Product
    Audio CODECs
    4 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec
    AD1939

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  4. AD1933
    Production
    Product
    Audio D/A Converters
    8-Channel DAC with PLL and Differential Outputs, 192 kHz, 24 Bits
    AD1933

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  5. AD1937
    Production
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    Audio CODECs
    Four ADCs/Eight DACs with PLL, 192 kHz, 24-Bit Codec
    AD1937

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  6. AD1938
    Production
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    Audio CODECs
    4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC
    AD1938

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Results on EngineerZone

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    1. Request for Support with AD1934WBSTZ DAC for Graduation Project

      Forum Thread
      Answered
      Audio
      02 June, 2024
      Request for Support with AD1934WBSTZ DAC for Graduation Project Dear Analog Devices Support Team, I am currently working on a graduation project where I am using the AD1934WBSTZ DAC chip as a key component. However, I am encountering difficulties understanding the datasheet and developing the necessary firmware due to my …
      Audio Productssoftwaread1934Audio D/A Converters

    2. Urgent: AD1934WBSTZ DAC Chip Not Producing Output Signal – Graduation Project Deadline Next Week.

      Forum Thread
      Answered
      Audio
      17 June, 2024
      Dear ADI EngineerZone, I urgently need your help as my graduation project deadline is next week. For my project, I need to generate various sine wave signals using the AD1934WBSTZ DAC chip. However, I am unable to get the chip to work and there is no output signal from the …
      Audio Productshardwaread1934Audio D/A Converters

    3. RE: Urgent: AD1934WBSTZ DAC Chip Not Producing Output Signal – Graduation Project Deadline Next Week.

      Forum Reply
      Audio
      01 July, 2024
      Hello Dave, Thank you for your response. It is indeed correct that I am sending a negative signal. I am sending the value from my microcontroller and have measured the I2S lines with a logic analyzer. The gray line is the LRCLK clock, the orange line is the BCLK, and …

    4. RE: Urgent: AD1934WBSTZ DAC Chip Not Producing Output Signal – Graduation Project Deadline Next Week.

      Forum Reply
      Audio
      21 June, 2024
      Hello, Sorry for the delay. I have been travelling out of the country all this week and will not be back until middle of next week. The master clock MUST be synchronous with the LRCLK and the BCLK. These clocks need to be divided down from the master clock. The …

    5. RE: Request for Support with AD1934WBSTZ DAC for Graduation Project

      Forum Reply
      Audio
      07 June, 2024
      Apologies I accidentally misstated the formulas: The formula is as follows: Vout​=Vmin​+((Digital Value&minus;(&minus;8388608)/16777216​)&times;2.48V where Vmin=1.5&minus;1.24=0.26&thinsp;V. Digital Value=16777216&times;((Vout​&minus;Vmin​​)/(Vmax​&minus;Vmin​))&minus;8388608 where Vout​ is the desired voltage for the sample, and Vmax​&minus;Vmin​=2.76 …

    6. RE: Request for Support with AD1934WBSTZ DAC for Graduation Project

      Forum Reply
      Audio
      06 June, 2024
      Hello Dave, Thank you for your response! I misunderstood the concept earlier. So, if you send , the output voltage is 1.5V. And if you send , you reach the maximum positive voltage of 1.5 + 1.24 = 2.74V. As I understand it, the output voltage of the DAC can …

    7. RE: Request for Support with AD1934WBSTZ DAC for Graduation Project

      Forum Reply
      Audio
      03 June, 2024
      Hello Younes, There are a few things to unravel here. You should watch my video on my YouTube channel about 2's compliment. This DAC is an audio DAC that operates with a 2's compliment number. An input to the DAC of will not result in a fill scale …

    8. RE: Request for Support with AD1934WBSTZ DAC for Graduation Project

      Forum Reply
      Audio
      03 June, 2024
      Hello Dave Thib, Thanks for your response! I will use the default mode of the DAC when reset. I am using a crystal oscillator of 12.288 MHz (256x sample frequency of 48 kHz) connected to the XO and XI pins of the DAC. I will use the I2S format …

    9. RE: Request for Support with AD1934WBSTZ DAC for Graduation Project

      Forum Reply
      Audio
      03 June, 2024
      Hello YounesBou, Thanks for using one of our parts for your project. We need a lot more information and since you are mentioning "drivers" we may not have a lot for you. Here are my questions: What hardware platform and DSP are you using? Arduino? SigmaDSP/SigmaStudio? SHARK? What are …

    10. AD1974 SPI chaining

      Forum Thread
      Answered
      Audio
      18 February, 2013
      Hi, We are using AD1974YSTZ device in our design. We are using 4 devices and chaining them so that we have the Audio output in TDM form. This device supports SPI as a configuration interface. We have limitation on number of chip selects for SPI interface on the host processor …
      Integrated/Special Purpose A/D Convertersad1974Audio A/D Converters