AVR-Chat

On Fri, 11 Mar 2005, paul_hvidston wrote:

> 
> Additional suggestions (I've been playing with a 'mega8 but have not
> employed the ADC yet):
> 
> You are always better off with a larger Vref, since 1/1024th of Vref
> is your LSB. Your analog system noise should be an order of magnetude
> lower than this.
> 

I like to use an external 4.096 volt band-gap reference because the 
numbers work out so conveniently (LSB = 4 mV).

Zack