[sdiy] modern AD/DA chips?

[Paul Perry]

---- Original Message ----- From: "Andre Majorel"
>The CS4398 is supposed to have a THD + noise of -107 dB. Doesn't
>that imply that the error is at 10**(-107/20) = 4.47E-06 ? If so,
>that part is 18 times as precise as you need it to be.
>Am I missing something ?

One thing to watch: for DA &AD converters intended for audio use - and most 
with
16 or more bits are - there is usually no tight guarantee regarding zero 
offset, or
gain constancy over temperature.
Neither of these things matter at all for audio. But for a say a MIDI-CV 
converter,
they are essential.
paul perry Melbourne Australia