Odp: [avr-chat] ADC conversion

[Arkadiusz Krysiak]

Dnia 14-09-2006 o godz. 23:36 Flash napisał(a):
> 
> Hi,
> 
> How can I connect 4 single ended channels for conversion on Atmega128 
> ADC in
> differential mode?
> Do I need to use 4 differential op amp in front of Atmega (for single to
> differential conversion)?
> I have a little confusion whit common  negative terminal ADC1, how 
> connect 2
> or more negative inputs for differential conversion?
> 
> If some have schematic of connecting two or more single ended channels for
> conversion in differential mode 
> on atmega128 (or some other atmega) it will be nice to see.. 
> 
> Thanks in advance!
> -- 
> View this message in context: 
> http://www.nabble.com/ADC-conversion-tf2274303.html#a6315296
> Sent from the AVR - General forum at Nabble.com.
> 
> 
> 
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i use this circuit for control one of the power. 
resistor 100K on the negative input is the input resistance.





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