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
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;
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
DOI :
10.1109/ISSCC.2008.4523271
