On 17/01/2011 03:33 PM, scott wrote:
>> Is power consumption directly related to clock speed in some way?
>
> Pretty much always.

Mmm, OK.

> On the analogue side the details probably vary depending on
> exactly which DAC architecture you're using, but in general I can't
> imagine power going down at higher clock speeds.

No, but it could stay roughly the same.

I suppose the next question is how much power changes with frequency, 
but I guess that's going to depend intimately on exactly what you're 
doing...

I still rather suspect that the difference between a 30,000 sps DAC and 
a 20,000 sps DAC is rather minute, but whatever.

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