Yahoo Groups archive

AVR-Chat

Index last updated: 2026-04-28 22:41 UTC

Message

RE: [AVR-Chat] ADC accuracy in ATmega8535

2004-11-03 by David Jones

>>> yahoo@barello.net 03/11/2004 2:28:15 pm >>>
>Ok, I checked the data sheet.  I couldn't find anything regarding the
>bandgap reference on the tiny26.  Where is it?

It's under "Electrical Characteristics" - "ADC Characteristics" - "Vint
- Internal Voltage Reference"
It shows 2.3V to 2.7, with 2.56 nominal. That's a +/-5% error over the
full temperature range. That's pretty crap, any $1 voltage reference
will do better.

Dave :)

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.