[sdiy] A question about regulator noise figures

[René Schmitz]

Hi Tom and all,

On 16.03.2021 01:42, Tom Wiltshire wrote:
> I also notice now that I’d missed that the figure given is actually 
> 8uV / sqrt(Hz), which they’ve expressed as uV/(Hz)1/2
>
> I assumed the superscript referred to the notes under the table (which 
> is Microchip’s usual style, to be fair), but that’s not what’s going 
> on here - it’s an exponent.


It's a spectral density. I.e. how much noise energy is in a given bandwidth.

Here you can find an example how to convert. 
https://www.ti.com/lit/an/snva515c/snva515c.pdf

Page 4, Example 1.


Best,

  René


--
synth at schmitzbits.de
http://schmitzbits.de

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