Title :
Wideband low-distortion delta-sigma ADC topology
Author :
Silva, J. ; Moon, U. ; Steensgaard, J. ; Temes, G.C.
Author_Institution :
Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA
fDate :
6/7/2001 12:00:00 AM
Abstract :
A ΔΣ topology with reduced sensitivity to opamp nonlinearities is described. The technique is effective even for very low oversampling ratios, and can be used for any modulation order. Techniques for reducing other nonideal effects are also proposed
Keywords :
analogue-digital conversion; delta-sigma modulation; electric distortion; operational amplifiers; ΔΣ topology; low oversampling ratios; low-distortion delta-sigma ADC topology; nonideal effects; opamp nonlinearities; sensitivity reduction; wideband delta-sigma ADC topology;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20010542
