[sdiy] Possibly useful reference data

[Antti Huovilainen]

On Thu, 31 Dec 2009, Veronica Merryfield wrote:

> I recently had to take account of input RC settling time of an ADC and 
> calculated the number of time constants to wait to allow the RC to 
> settle to half an LSB. I did this for a couple of bit widths whilst I 
> had the spreadsheet up.

The equation to calculate those is RC_n = ln(2^-bits)
vice versa, bits = log2(exp(-RC_n))

Might be useful for someone.

Antti

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