>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>On Behalf Of Harold Hallikainen
>Sent: 21 August 2007 13:29
>To: Microcontroller discussion list - Public.
>Subject: Re: [PIC] A/D resolution and steps
>
>
>I've been following this thread and am now totally confused. 
>How about we look at a simple 2 bit (25 cent) ADC with a 
>reference voltage of 1V. Here are the ideal codes and 
>transition voltages:
>
>00  0V
>01  250mV
>10  500mV
>11  750mV


I think that should be more like:

00  Vin < 250mV
01  250mV < Vin < 500mV
10  500mV < Vin < 750mV
11  750mV < Vin 

Regards

Mike

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