A 2.5-GS/s 30-mW 4-bit Flash ADC in 90nm CMOS

@article{Sundstrom2008A23,
  title={A 2.5-GS/s 30-mW 4-bit Flash ADC in 90nm CMOS},
  author={Teather Sundstrom and Atila Alvandpour},
  journal={2008 NORCHIP},
  year={2008},
  pages={264-267}
}
A 2.5 GS/s flash ADC, fabricated in 90 nm CMOS, avoids traditional power, speed and accuracy trade-offs by using comparator redundancy with power-gating capabilities. Redundancy removes the need to control comparator offsets, allowing the large process-variation induced mismatch of small devices in nanometer technologies. This enables the use of small-sized, ultra-low-power comparators. Measurement results show that the ADC dissipates 30 mW at 1.2 V. With 63 gate-able comparators, the ADC… CONTINUE READING
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