A low-voltage zero-crossing-based delta-sigma analog-to-digital converter
Name
680761444-MIT.pdf
Description
Full printable version
Size
9.26 MB
Format
Adobe PDF
Checksum (MD5)
5d5d7ad2fb967c1e3d4dcc166489760d
Author(s)
Guyton, Matthew C. (Matthew Christopher)
Advisor(s)
Hae-Seung Lee.
Alternative Title
Low-voltage ZCB delta-sigma analog-to-digital converter
Date Issued
2010
Publisher
Massachusetts Institute of Technology
Abstract
A zero-crossing-based (ZCB) switched-capacitor technique is presented for operation under low power supply voltages without gate boosting. Voltage ramp generators maintain common-mode level at each integrator output. Correlated level-shifting is used to increase the effective output impedance of gated current sources. The technique was used to design a single-bit 4th-order delta-sigma analog-to-digital converter for audio applications. The prototype ADC was implemented in 0.13 [mu]m CMOS and achieves 11.9 ENOB for 60 kHz input bandwidth while dissipating 1.2 mW power.
Description
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 179-183).
Subjects
Electrical Engineering and Computer Science.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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reproduction or distribution in any format is prohibited without written
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