An Adaptive Resolution Asynchronous ADC Architecture for Data Compression in Energy Constrained Sensing Applications

@article{Trakimas2011AnAR,
  title={An Adaptive Resolution Asynchronous ADC Architecture for Data Compression in Energy Constrained Sensing Applications},
  author={Michael Trakimas and Sameer R. Sonkusale},
  journal={IEEE Transactions on Circuits and Systems I: Regular Papers},
  year={2011},
  volume={58},
  pages={921-934}
}
An adaptive resolution (AR) asynchronous analog-to-digital converter (ADC) architecture is presented. Data compression is achieved by the inherent signal dependent sampling rate of the asynchronous architecture. An AR algorithm automatically varies the ADC quantizer resolution based on the rate of change of the input. This overcomes the trade-off between dynamic range and input bandwidth typically seen in asynchronous ADCs. A prototype ADC fabricated in a 0.18 μm CMOS technology, and utilizing… CONTINUE READING
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