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Noise-shaping SAR ADC using three capacitors.
- Source :
-
Electronics Letters (Wiley-Blackwell) . 1/31/2013, Vol. 49 Issue 3, p78-79. 2p. 5 Diagrams, 3 Graphs. - Publication Year :
- 2013
-
Abstract
- A simple and highly efficient successive-approximation registers (SAR) ADC realisation is proposed. It requires an opamp, a comparator and only three equal-valued capacitors. The proposed scheme is insensitive to the capacitor parasitics, and has a small capacitance spread. With an oversampled scheme, it also allows noise-shaping the remaining quantisation error. It is well-suited for low-frequency instrumentation and measurement applications, and for use in extended-counting ADCs. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00135194
- Volume :
- 49
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Electronics Letters (Wiley-Blackwell)
- Publication Type :
- Academic Journal
- Accession number :
- 101572921
- Full Text :
- https://doi.org/10.1049/el.2012.4204