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A 440μW, 109.8dB DR, 106.5dB SNDR Discrete-Time Zoom ADC with a 20kHz BW

Conference Paper (2020)
Author(s)

E. Eland (TU Delft - Electronic Instrumentation)

S. Karmakar (TU Delft - Electronic Instrumentation)

B. Gönen (TU Delft - Electronic Instrumentation)

R. van Veldhoven (NXP Semiconductors)

K. Makinwa (TU Delft - Microelectronics)

DOI related publication
https://doi.org/10.1109/VLSICircuits18222.2020.9162856 Final published version
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Publication Year
2020
Language
English
Bibliographical Note
Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.
Article number
9162856
Pages (from-to)
1-2
Publisher
IEEE
ISBN (print)
978-1-7281-9943-6
ISBN (electronic)
978-1-7281-9942-9
Event
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Abstract

This paper presents a discrete-time (DT) zoom ADC for audio applications. A 2b quantizer in combination with a low power “fuzz” suppression technique, results in a significant improvement in linearity and energy-efficiency over previous designs. The ADC occupies 0.27mm 2 in 0.16μm CMOS and consumes 440μW from a 1.8V supply. In a 20kHz BW, it achieves 109.8dB DR and 106.5dB SNDR, resulting in a state-of-the-art Schreier FoM of 186.4dB.

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