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From: Adrian Jansen on 24 Apr 2010 00:36

MooseFET wrote:
> I have an application where I need 3 DACs controlled by a micro.
>
> Right now I have a quad DAC chip external to the processor. If
> a small processor had 3 or more DACs, it could save me a bit of
> space and signal connections.
>
> 16 bitters preferred but 12 bit may work.
>
> I can't use PWM stuff because I need frequency response and
> low noise at the same time.

Have you looked at the Atmel XMega series ?


--
Regards,

Adrian Jansen adrianjansen at internode dot on dot net
Note reply address is invalid, convert address above to machine form.
From: MooseFET on 24 Apr 2010 11:26
On Apr 23, 9:36 pm, Adrian Jansen <adr...(a)qq.vv.net> wrote:
> MooseFET wrote:
> > I have an application where I need 3 DACs controlled by a micro.
>
> > Right now I have a quad DAC chip external to the processor.  If
> > a small processor had 3 or more DACs, it could save me a bit of
> > space and signal connections.
>
> > 16 bitters preferred but 12 bit may work.
>
> > I can't use PWM stuff because I need frequency response and
> > low noise at the same time.
>
> Have you looked at the Atmel XMega series ?

Do they make any with more than one DAC?

If I was going to go with a different CPU core, I'd most
likely go with the ARM. It seems to be the one that has
become the most popular.

Right now I am using a micro with two DACs from Scilabs.
It is very fast and has the advantages of the 8051 instruction
set. 100MIPs of flinging bytes around can get things done
in a hurry.
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