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A/D converter question

  • Thread starter jyothika
  • Start date
  • #1
5
0
can someone tell me "How long will an 10 bit Analog/Digital convertor take to complete its conversion approximatly?"
? clock pulses
does it depends on the number being converted?
Need your help .......thank u
 

Answers and Replies

  • #2
mgb_phys
Science Advisor
Homework Helper
7,774
12
It depends on the design of the converter.
There are flash converters which can do the conversion in a single cycle and sucessive approximation ones that measure one bit at a time.
Then of course it depends on the overall clock rate - you could have a 1Mhz flash converter and a 10GHz succesive approximation.

Many real workd designs are a combination of both, using flash for the high bits and then approximating the low bits. Some designs do depend on the number of on-bits in the answer, they are a pain to work with.
 

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