LMS-based calibration of pipelined ADCs including linear and nonlinear errors
2007 (English)In: 2007 European Conference On Circuit Theory And Design: Vols 1-3, 2007, 348-351 p.Conference paper (Refereed)
A least mean square (LMS) based calibration algorithm is proposed to calibrate most known error sources in 1.5 bit/stage pipelined ADCs, known to be immune to moderate comparator offsets. The error sources include linear gain errors, reference voltage errors, systematic offset errors and amplifier non-linear errors of each pipeline stage. LMS is used to estimate the error parameters in the digital domain. After estimation the proposed algorithm calibrate the pipelined ADC using the estimated parameter errors. Simulation results show that the proposed algorithm can improve the ENOB from 6.6 bits to 13.9 bits for a 14 bit 1.5 bits/stage pipelined ADC.
Place, publisher, year, edition, pages
2007. 348-351 p.
Computer and Information Science Electrical Engineering, Electronic Engineering, Information Engineering
IdentifiersURN: urn:nbn:se:kth:diva-39616DOI: 10.1109/ECCTD.2007.4529604ISI: 000258708400084ScopusID: 2-s2.0-49749136595ISBN: 978-1-4244-1341-6OAI: oai:DiVA.org:kth-39616DiVA: diva2:441707
European Conference on Circuit Theory and Design 2007, ECCTD 2007; Seville; 26 August 2007 through 30 August 2007