[sdiy] DC Coupled DAC

[MTG]

Hi all,

It is for experimenting with some old sampler/rompler code and wave 
files, so something like 12-bit would be fine. However I don't fancy 
writing my own usb driver for it, so I think an audio dac of some kind 
will have to fit the bill. I can write something to convert the files 
I'm using to WAV if I have to, then use PC software to play it. I will 
look at the NI stuff and see what the host side interface looks like though.

GB

On 10/8/2013 4:40 AM, Ove Ridé wrote:
> 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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