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A 1.1V 12W 86dB DR Sigma-Delta Modulator for Health Monitoring System.
- Source :
- Journal of Circuits, Systems & Computers; Jun2016, Vol. 25 Issue 6, p-1, 17p
- Publication Year :
- 2016
-
Abstract
- A low-voltage low-power Sigma-Delta modulator for health monitoring system is designed using a standard 0.18m CMOS technology. To achieve high accuracy with low power consumption in low supply voltage environment, the designed modulator is implemented with a one-bit third-order topology, in which the input-feedforward structure and switched-opamp (SO) technique are combined. Using the proposed design method, the SO meets the system requirements with the minimal power consumption and good stability in a feedback loop. The modulator achieves 86dB dynamic range (DR) over a 300Hz bandwidth with an oversampling ratio (OSR) of 128, while it occupies 0.16mm<superscript>2</superscript> and consumes 12W under a 1.1V supply. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02181266
- Volume :
- 25
- Issue :
- 6
- Database :
- Complementary Index
- Journal :
- Journal of Circuits, Systems & Computers
- Publication Type :
- Academic Journal
- Accession number :
- 114119032
- Full Text :
- https://doi.org/10.1142/S0218126616500596