Title
A Partial Tree Vector Quantizer Dynamic Element Matching Technique For Audio Delta-Sigma Converters
Abstract
Multi-bit Delta-Sigma modulators are widely used in performing accurate, low-power, and low cost analogue-to-digital conversion (ADC). One of its major limits is the internal feedback digital-to-analogue converter (DAC) non-linearity. It generates unwanted tones and noise in the band of interest, which makes impossible to achieve the signal quality required in audio products. Authors have overcome this difficulty by designing mismatch-shaping techniques, also called Dynamic Element Matching (DEM). We propose in this paper a new vector-based DEM that we have added to a 4(th) order continuous-time ADC. It achieves good audio performances for a reasonable gate count.
Year
DOI
Venue
2011
10.1109/CICC.2011.6055405
2011 IEEE CUSTOM INTEGRATED CIRCUITS CONFERENCE (CICC)
Keywords
DocType
Citations 
delta sigma modulation,vectors
Conference
0
PageRank 
References 
Authors
0.34
2
5
Name
Order
Citations
PageRank
Emmanuel Hardy100.34
Hassan Ihs2202.35
Christian Dufaza3485.87
Stéphane Meillére4124.05
Rachid Bouchakour574.42