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Erschienen in:
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2018 | OriginalPaper | Buchkapitel

17. Time-Based Biomedical Readout in Ultra-Low-Voltage, Small-Scale CMOS Technology

verfasst von : Rachit Mohan, Samira Zaliasl, Chris Van Hoof, Nick Van Helleputte

Erschienen in: Hybrid ADCs, Smart Sensors for the IoT, and Sub-1V & Advanced Node Analog Circuit Design

Verlag: Springer International Publishing

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Abstract

Personalized healthcare solutions are pushing the boundaries for low-power and low-cost sensor readout devices. However, achieving this requirement requires a trade-off between cost, power consumption and accuracy or the dynamic range capability of these devices. In this paper, we outline the main reasons for this trade-off and present existing solutions in literature. In specific, we identify time-domain operation as one of the promising techniques to overcome this trade-off. We present the state-of-art architectures based on time-based operation and discuss their challenges in designing for low-power, low-cost biomedical sensor readout. Furthermore, we propose and discuss a time-based readout design that can overcome these challenges.

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Vorheriges Kapitel Pipeline and SAR ADCs for Advanced Nodes
Nächstes Kapitel A 4.4mW-TX, 3.6 mW-RX Fully Integrated Bluetooth Low Energy Transceiver for IoT Applications
Fußnoten
1
To be exact, the model and the following analysis hold true for sampled systems such as sample-and-hold circuits, ADCs. It does not hold true for some blocks such as instrumentation amplifiers (IA) and low-noise amplifiers (LNA). However, since almost any analog signal chain will contain ADCs, the overall conclusion of the analysis will still be applicable and relevant to our discussion in this paper.
 
2
K f has been extracted from the BSIM4 spice model parameters.
 
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Metadaten
Titel
Time-Based Biomedical Readout in Ultra-Low-Voltage, Small-Scale CMOS Technology
verfasst von
Rachit Mohan
Samira Zaliasl
Chris Van Hoof
Nick Van Helleputte
Copyright-Jahr
2018
Buch
Hybrid ADCs, Smart Sensors for the IoT, and Sub-1V & Advanced Node Analog Circuit Design

Print ISBN: 978-3-319-61284-3

Electronic ISBN: 978-3-319-61285-0

Copyright-Jahr: 2018

DOI
https://doi.org/10.1007/978-3-319-61285-0_17

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