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Design >> Analog Design >> adc design example available
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Message started by Sheldon on Jul 19^th, 2005, 9:59pm

Title: adc design example available
Post by Sheldon on Jul 19^th, 2005, 9:59pm

Is there any document on adc design as detailed and straightforward as the op amp design in Allen's CMOS book?
Thanks

Title: Re: adc design example available
Post by svensl on Jul 19^th, 2005, 10:54pm

I found Schreier's "Delta-Sigma Data Converters" and Rudy van de Plassche's "CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters" as most useful so far.

Title: Re: adc design example available
Post by Paul on Jul 20^th, 2005, 1:36pm

Art,

as there are many different ADC topologies, each appearing with different flavors, you cannot expect having a straight-forward design document. The architecture choice depends mostly on your specifications in terms of speed (bandwidth) and resolution.

Unless you are going to do extensive investigation of sigma-delta converters, I would not recommend Schreier's book. It is a good book, but it is very exhaustive and as it has several contributors, it is difficult to read only part of it and still get the full picture.

As a starting point in ADC architectures and evaluation, I would recommend the following book:

Integrated Converters: D to A and A to D Architectures, Analysis and Simulation
Paul Jespers
Oxford University Press UK
ISBN: 0198564465

It covers all major ADC topologies and it has nice Matlab code included for evaluation of topologies and their trade-offs. I would grade it 4/5 (not 5/5 because it does not go into all the details, but that's also one of its strength) and suggest it to be added to the books section.

Concerning free tutorials on ADC specifications (probably not design though), you can also have a look at the appnotes of some major design houses (e.g. Maxim, ADI, ...).

Paul