Tutorials and materials about SAR ADC

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olzanin

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Hello,
next time I will take part on some 12bit SAR ADC workshop. I'm an newcomer on this ADCs, I know only coarse how they works.
And I want ask some interesting questions!
Can somebody help me?

Thanks
 

successive approximation adc tutorial

Hi Olzanin...

What questions do you have with SAR ADCs...?
 

vlsi tutorial+adc-sar

id you need some materisl about sar adc i could help
 

tutorial of sar adc

here is some good material
 

sar adc design tutorial

Here is an SAR ADC tutorial:

**broken link removed**

You can also get a reference design at:

**broken link removed**
 

Re: SAR ADC Question

Dear all,

I design my sar adc. My input is signal-end. My (p) input's common mode is

0.425V and my peak-to-peak is 0.8V. In the chip, my input is 0.4V so the input

has some offset. I run simulation and my comparator's input's ENOB is bigger than

4.5. But my AD output's ENOB is 3.7. Why? If My (p) input's common mode is

0.4V, my AD output's ENOB is bigger than 4.5. Why is the offset doesn't affect

S/H's output? Thanks.
 

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