Title :
Digital estimation and correction of DAC errors in multibit ΔΣ ADCs
Author :
Wang, X. ; Kiss, P. ; Moon, U. ; Steensgaard, J. ; Temes, G.C.
Author_Institution :
Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA
fDate :
3/29/2001 12:00:00 AM
Abstract :
An adaptive digital algorithm is described for acquiring and correcting the errors of the feedback DAC used in a multibit ΔΣ ADC. The method is highly accurate, and is particularly useful for wideband ADCs, where mismatch error shaping becomes ineffective
Keywords :
error correction; quantisation (signal); sigma-delta modulation; DAC errors; adaptive digital algorithm; digital estimation; error correction; feedback DAC; mismatch error shaping; multibit sigma-delta ADCs; wideband ADCs;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20010304
