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Experts, Learning and Guidance
Ask an Expert Forum Have a question about ADCs or DACs? Ask our Expert, Nick Gray
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Have a question about ADCs or DACs? Ask our Expert, Nick Gray

bluescreen
bluescreen over 15 years ago

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Nicholas Gray

Nicholas has worked in the Semiconductor industry for over 30 years and has authored a number of published articles about data converters (ADCs and DACs) and signal integrity issues.

 

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  • JohnDSiviter
    JohnDSiviter over 15 years ago

    Hi Nick,

     

    I wanted your advice on buying an audio ADC, I am after 24bit 192KHz(or better) stereo, best possible quality, must be 16 bit 44.1KHz compatable. I am currently interested in the Wolfson chips, I havent found anything to better these, or maybe I am missing something in my search, could you please advise?.

     

    John.

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  • Former Member
    Former Member over 15 years ago in reply to JohnDSiviter

    John,

     

    I saw your message, and I know Nick will also reply.

     

    As long as you have the requirement to also support 16-bit word length, then it appears the Wolfson chips are the ones to use provided you are OK with 192KHz fs spec.

     

    If you really need >192KHz, then I think those only come in fixed 24-bit resolution as is typically found in AKM Semiconductor parts AKM5359 and AKM5394A that go to 216KHz fs spec, for example.

     

    Ken

     

    http://www.asahi-kasei.co.jp/akm/en/product/ak5359/ak5359_f00e.pdf

     

    A higher performance, 24 bit only part is the AKM5394A.

     

    http://www.akm.com/prod-adc.asp

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  • Former Member
    Former Member over 15 years ago in reply to JohnDSiviter

    John,

     

    I saw your message, and I know Nick will also reply.

     

    As long as you have the requirement to also support 16-bit word length, then it appears the Wolfson chips are the ones to use provided you are OK with 192KHz fs spec.

     

    If you really need >192KHz, then I think those only come in fixed 24-bit resolution as is typically found in AKM Semiconductor parts AKM5359 and AKM5394A that go to 216KHz fs spec, for example.

     

    Ken

     

    http://www.asahi-kasei.co.jp/akm/en/product/ak5359/ak5359_f00e.pdf

     

    A higher performance, 24 bit only part is the AKM5394A.

     

    http://www.akm.com/prod-adc.asp

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