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What is the minimum A/D conversion time on Atmel's ATMEGA microcontoller?

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djolestojic

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What is the minimum A/D conversion time on Atmel's ATMEGA microcontoller family.

Nowhere in datasheets is listed what conversion times can be achieved in the 'fast ADC mode'.

In normal mode the fastest ADC time is 13.5*5e-6sec.
 

winavr adc

The datasheet of the ATMEGA 64 says 65 ... 260 uS conversion time.

If you use a faster clock for the ADC resolution decreases, so if you are happy with 8 bits resolution (instead of 10 bits) you can use a faster ADC clock.

Hope this helps, best regards
 

atmega8 adc winavr

datasheet said max 200khz clock for adc ... and there is an table how much each conversion needs ... read datasheet

regards

cancel
 

adc atmega

somebody tell where i could find adc progg of atmel
 

atmel adc

I think it's maximum 15ksamples/second in the datasheet.

The maximum frequency can also be limited by the S/H circuit. It's recomended to use a small impedance signal source so that the capacitor in the S/H circuit can charge rapidly, if you plan to use higher clock rate.
 

atmega adc timing

you can get sample ADC interfacing programming using WinAVR in the book
MY EXPERIENCE IN PROGRAMMING AVR MICROCONTROLLERS IN C USING WINAVR

You can get the book from
https://groups.yahoo.com/group/booksbybibin/
 

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