[sdiy] DC Coupled DAC

[Ove Ridé]

Richie, I'm pretty sure the OP is looking for something that is an
audio interface (and can be used as such on a daily basis) but happens
to be able to produce DC levels. NI DAQ is exactly not that, and also
has worse specs bit depth and sample rate than a typical audio DAC.
Instead it probably has features useful for actual data acquisition,
such a guaranteed absolute precision and external triggering.

On 8 October 2013 13:02,  <rburnett at richieburnett.co.uk> wrote:
> National Instruments do a range of USB data acquisition products.  Try
> searching for "NI DAQ"
>
> The USB6009 for instance is quite cheap and has eight single-ended (or 4
> differential) 13-bit inputs, and two 12-bit outputs.  There are likely to be
> other products that have better output spec if that's what you're looking
> for, so check through the product range.  The DC specification of a proper
> instrumentation grade DAC will be far better than an audio CODEC bodged to
> work down to DC!
>
> -Richie,
>
>
> On 2013-10-07 20:24, grant at musictechnologiesgroup.com wrote:
>>
>> Hi,
>>
>> Does anyone know of a USB DAC that allows for DC at the output? I'm not
>> using it for CV, per se, but something like that should work. Something
>> available in the US would be great, and not too expensive. Does not need
>> to be audiophile ;-)
>>
>> GB
>>
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-- 
/Ove

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