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C8051F35X delta-sigma ADC user's guide

Posted: 17 Jun 2008 ?? ?Print Version ?Bookmark and Share

Keywords:application note? Silicon Labs? ADC? converter?

Delta-sigma ADCs are oversampling ADCs: to reduce noise and analog front-end circuit cost and complexity, they sample signals at very high rates and produce a low-noise, high-resolution output.

Oversampling at a "high"rate means sampling a signal at a frequency that is well above the bandwidth of interest's Nyquist rate and is done to lower in-band noise. The output word rate of the ADC will be close to the bandwidth of interest.

Example applications include digital phones, temperature measurements, pressure measurements and weigh-scales.

View the PDF document for more information.





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