There are various types of ADC in used, like,

  • ramp-compare ADC
  • Wilkinson ADC
  • pipeline ADC
  • Flash ADCs
  • Sub-Ranging ADCs
  • Folding ADCs
  • Pipelined ADCs
  • Successive Approximation (Algorithmic) ADCs
  • Integrating (serial) ADCs

but Successive Approximation (Algorithmic) ADCs (ADC0808) is most commonly used. I do not understand the reason as why it is better than any other ADC ?

According to this comparison,

enter image description here

There is absolutely nothing so special about it as compared to other, then why it is most commonly used for education purpose and small electronic projects etc ?

  • 2
    $\begingroup$ Nothing special about it? Look at the characteristics of the ADCs most commonly integrated on microcontrollers or used in small projects: medium precision (8-14 bits), medium speed (sample rates from a tens of kHz to a couple MHz), and as low-cost as possible. According to those criteria, you would select the successive approximation architecture from your matrix shown there. $\endgroup$ – Jason R Sep 19 '13 at 16:51
  • $\begingroup$ This question is probably better suited for electronics.SE, also. $\endgroup$ – Jason R Sep 19 '13 at 16:52
  • 3
    $\begingroup$ This question appears to be off-topic because it is about electronic architectures, which are better off on electronics.SE. $\endgroup$ – Jason R Sep 19 '13 at 16:53

For many applications, the technology often selected is the lowest cost one that meets the most common requirements (audio sample rates, etc.)

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