[TangerineSDR] VLF 4-channel ADC

David G. McGaw david.g.mcgaw at dartmouth.edu
Tue Oct 27 06:07:21 EDT 2020


Looks like a brand new part.  Digi-Key does not have stock of the chip 
yet.  Probably will need to go straight through AKM.  Perfect part, 
though, if we can get it in a timely manner.

There are 3 parts, AK5534, AK5554 and AK5574 with increasing 
performance, pin-compatible.  The AK5534 is in stock at DK for $4.21 and 
has quite good performance itself.  It looks like we could develop with 
it and upgrade later.

There are data sheets, but no sign of stock of any of the development 
boards, AKD5534-B, AKD5554-B, AKD5574-B.

David N1HAC

On 10/27/20 2:07 AM, Jonathan wrote:
> Hi Phil,
>
> I requested a price and gerbers/BOM through my  college email. 
> Hopefully they’ll get back to me.
>
> Jonathan
> KC3EEY
>
> On Oct 26, 2020, at 11:19 PM, Phil Erickson via TangerineSDR 
> <tangerinesdr at lists.tapr.org <mailto:tangerinesdr at lists.tapr.org>> wrote:
>
>> Hi David,
>>
>>   I can't find the evaluation board anywhere, though. Seems like it 
>> would be a good idea to use one in development.  (AKM55X4-B).  Where 
>> is that found?
>>
>> 73
>> Phil W1PJE
>>
>> On Mon, Oct 26, 2020 at 11:04 PM David G. McGaw via TangerineSDR 
>> <tangerinesdr at lists.tapr.org <mailto:tangerinesdr at lists.tapr.org>> wrote:
>>
>>     Here is an AKM 4-channel part that has extremely good THD+N and
>>     dynamic
>>     range and can do the full 192kHz bandwidth.  It can run up to 768kHz
>>     sample rate with even greater bandwidth.  It also has DSD output
>>     that
>>     would allow custom filters.
>>
>>     $13.02 from Digi-Key single part price!
>>
>>     https://www.akm.com/us/en/products/audio/audio-adc/ak5574en/
>>     <https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.akm.com%2Fus%2Fen%2Fproducts%2Faudio%2Faudio-adc%2Fak5574en%2F&data=04%7C01%7Cdavid.g.mcgaw%40dartmouth.edu%7C91035b79752d4c37d19c08d87a3e8690%7C995b093648d640e5a31ebf689ec9446f%7C0%7C0%7C637393756260408792%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=EXJuCjIVrQ%2BT6pI5liFQeX6yKt8t1w1Xasgx1o0GKBM%3D&reserved=0>
>>
>>     73,
>>
>>     David N1HAC
>>
>>     -- 
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>>
>>
>>
>> -- 
>> ----
>> Phil Erickson
>> phil.erickson at gmail.com <mailto:phil.erickson at gmail.com>
>> -- 
>> TangerineSDR mailing list
>> TangerineSDR at lists.tapr.org <mailto:TangerineSDR at lists.tapr.org>
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