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2016 | OriginalPaper | Buchkapitel

Smart-DEM for Energy-Efficient Incremental ADCs

verfasst von : Edoardo Bonizzoni, Yao Liu, Franco Maloberti

Erschienen in: Efficient Sensor Interfaces, Advanced Amplifiers and Low Power RF Systems

Verlag: Springer International Publishing

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Abstract

This paper describes a dynamic element matching (DEM) algorithm, the so-called Smart-DEM (SDEM) algorithm, suitable for multi-bit incremental converters. The effectiveness of the algorithm is studied and compared with conventional DEM methods at the behavioural level with the help of two case studies. The paper, moreover, presents the design and the experimental verification of a second-order 3-bit incremental converter which employs the SDEM algorithm to compensate for the mismatch among unity elements of its multi-level digital-to-analog converter (DAC). The circuit, fabricated in a mixed 0.18–0.5 \(\upmu\) m CMOS technology, achieves a resolution of 16.7 bit over a 5-kHz bandwidth by using 256 clocks periods per sample.

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Metadaten
Titel
Smart-DEM for Energy-Efficient Incremental ADCs
verfasst von
Edoardo Bonizzoni
Yao Liu
Franco Maloberti
Copyright-Jahr
2016
DOI
https://doi.org/10.1007/978-3-319-21185-5_1

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