[sdiy] modern AD/DA chips?

[Dan Snazelle]

i am confused as the Converter in the PAIA midi2cv doesnt seem like a super high precision type.

i have never had any problems with that unit

anyway thanks everybody for the advice.

i will most likely look into some of the 8bit models!!

thanks



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----------------------------------------
> From: pfperry at melbpc.org.au
> To: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] modern AD/DA chips?
> Date: Wed, 6 May 2009 18:29:13 +1000
>
> ---- 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
>
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