DocumentCode
3466144
Title
A 0.7V 36μW 85dB-DR Audio ΔΣ Modulator Using Class-C Inverter
Author
Chae, Youngcheol ; Lee, Inhee ; Han, Gunhee
Author_Institution
Yonsei Univ., Seoul
fYear
2008
fDate
3-7 Feb. 2008
Firstpage
490
Lastpage
630
Abstract
This paper presents an improved low-power DeltaSigma modulator, exploiting the class-C inverter and the feedforward topology. The measurement results show 14b dynamic range for a 20kHz bandwidth with 36muW power consumption from a 0.7V supply.
Keywords
delta-sigma modulation; low-power electronics; network topology; operational amplifiers; audio delta-sigma modulator; bandwidth 20 kHz; class-C inverter; feedforward topology; operational amplifiers; power 36 muW; voltage 0.7 V; CMOS technology; Capacitors; Circuits; Clocks; Delta-sigma modulation; Inverters; Low-frequency noise; Power generation; Semiconductor device measurement; Threshold voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 2008. ISSCC 2008. Digest of Technical Papers. IEEE International
Conference_Location
San Francisco, CA
Print_ISBN
978-1-4244-2010-0
Electronic_ISBN
978-1-4244-2011-7
Type
conf
DOI
10.1109/ISSCC.2008.4523271
Filename
4523271
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