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Micro Power High-Resolution A/D Converter
Auteur(s)
Robert, Christian
Grisoni, L.
Heubi, Alexandre
Balsiger, Peter
Pellandini, Fausto
Date de parution
1999
In
Proceedings of the International Conference on Signal Processing, Applications and Technology (ICSPAT), International Conference on Signal Processing, Applications and Technology (ICSPAT), 1999///1-5
Résumé
Micro power converters are required for power sensitive, battery-operated devices. Keeping this goal in mind IMTdeveloped a 13-bit RSD cyclic converter. However, inaccuracies (capacitor mis-match, operation amplifier...) resulted in a relative precision behaviour. The implementation of a correction algorithm in a 2μm CMOS technology is presented. It requires 1 mm<sup>2</sup> and simulations show that power consumption is less then 10 μW at 1.25 V. Consequently a fully linear 13-bitA/D converter featuring about 60 m W power consumption at 16 kHz and ± 1.25 V is feasible and will soon be realized as MPW.
Identifiants
Type de publication
journal article
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