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A 0.2V, 7.5 uW, 20 kHz Sigma-Delta modulator with 69 dB SNR in 90 nm CMOS

Författare:
Publiceringsår: 2007
Språk: Engelska
Sidor: 206-209
Publikation/Tidskrift/Serie: ESSCIRC, 33rd European Solid State Circuits Conference, 2007
Dokumenttyp: Konferensbidrag
Förlag: IEEE Press

Sammanfattning

This paper presents a frequency-to-digital ΣΔ modulator designed in a digital 90 nm CMOS process, operating with a supply voltage of 0.2V. For a 7.5 μW power consumption, the SNR is 68.9 dB and the SNDR is 60.3 dB over a 20 Hz-20 kHz bandwidth. This work shows that the SNR/SNDR performance of this kind of ΣΔ converter can be adjusted over a wide range, while maintaining a state-of-the-art figure-of-merit of 82 fJ/conversion.

Disputation

Nyckelord

  • Technology and Engineering

Övriga

2014-09-12
Muenchen, Germany
Published
Yes
  • ISSN: 1930-8833
  • ISBN: 978-1-4244-1125-2

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