[time-nuts] EFC tracking
Bob Camp
lists at rtty.us
Mon Jun 28 23:48:34 UTC 2010
Hi
Noise spectra down into the 1/f region (< 10 Hz) would be nice.
Bob
On Jun 28, 2010, at 7:45 PM, Hal Murray wrote:
>
>> The one I'm building up is a ADS1278
>> http://focus.ti.com/lit/ds/symlink/ads1278.pdf
>> There are others in the series with fewer inputs. As with a lot of
>> converters, there isn't a whole lot of data on them.
>
> What are you looking for?
>
> There is a section of DC parameters on page 3.
>
> No missing codes: 24 bits
> INL: 0.0003% (typical), 0.0012% (max)
> Offset drift: 0.8 microvolts/C (typical)
> Gain drift: 1.3 ppm/C (typical)
>
>
>
> --
> These are my opinions, not necessarily my employer's. I hate spam.
>
>
>
>
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