On 2019-10-29 18:03, Bob Blick wrote:
> only markings on it are:
> 1618
> A9A3D
> No logo or anything else.
> Any idea what they are using?


Googling 'A9A3D', top result is:=20
https://www.ti.com/lit/ds/symlink/pcm1796.pdf
--=20
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