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Re: [avr-gcc-list] AVR Voltage Reference
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From: |
Ned Konz |
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Subject: |
Re: [avr-gcc-list] AVR Voltage Reference |
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Date: |
Sun, 1 Aug 2004 15:46:05 -0700 |
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User-agent: |
KMail/1.6.2 |
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
http://bike-nomad.com