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Re: [avr-gcc-list] AVR Voltage Reference

From: Ned Konz
Subject: Re: [avr-gcc-list] AVR Voltage Reference
Date: Sun, 1 Aug 2004 15:46:05 -0700
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On Sunday 01 August 2004 3:15 pm, Douglas Dotson wrote:
> Is the voltage reference in the AVR chips stable?
> In other words, can I calibrate out the error,
> or does it vary during operation?

Yes, it's stable over time, though not initially accurate.

It has some sensitivity to Vcc and temperature; I've attached a graph I got 
from Atmel when I asked the same question.

Ned Konz

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