Title :
Incremental-ΣΔ-ADCs with dynamic conversion length adaption
Author :
Uhlig, J. ; Schuffny, Rene
Author_Institution :
Dept. of Electr. Eng., Tech. Univ. Dresden, Dresden, Germany
Abstract :
A novel operating scheme for Incremental Delta-Sigma ADCs is presented which increases the achievable resolution of such an ADC by dynamic conversion length adaption for each individual conversion. Compared to other approaches, no increase of the conversion length or of the modulator order is necessary. Depending on the order and the NTF of the modulator, the resolution can be improved by up to 20%. Compared to other approaches, adaption of the conversion length cause much less additional circuitry and power consumption.
Keywords :
sigma-delta modulation; dynamic conversion length adaption; incremental delta-sigma ADC; incremental-ΣΔ-ADC; modulator order; operating scheme; power consumption; Capacitors; Modulation; Nickel; Noise; Quantization; Sensors; Topology;
Conference_Titel :
Electronics, Circuits and Systems (ICECS), 2012 19th IEEE International Conference on
Conference_Location :
Seville
Print_ISBN :
978-1-4673-1261-5
Electronic_ISBN :
978-1-4673-1259-2
DOI :
10.1109/ICECS.2012.6463727
