Title :
A CMOS Σ-Δ photodetector array for bioluminescence-based DNA sequencing
Author :
Singh, Ritu Raj ; Li, Bingling ; Elligton, Andrew ; Hassibi, Arjang
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
Abstract :
A fully-integrated photodetector array for long-read length bioluminescence-based DNA sequence-by-synthesis is implemented. Each pixel has 120dB photocurrent detection dynamic range and includes a 10fA-10nA pulse frequency modulation (PFM) background subtraction block and a 1st-order Σ-Δ modulator.
Keywords :
CMOS integrated circuits; DNA; biocomputing; bioluminescence; genetic engineering; photodetectors; CMOS Σ-Δ photodetector array; bioluminescence based DNA sequencing; fully integrated photodetector array; long read length; photocurrent detection dynamic range; pulse frequency modulation; Arrays; Biomedical optical imaging; CMOS integrated circuits; DNA; Integrated optics; Photoconductivity; Photodetectors;
Conference_Titel :
VLSI Circuits (VLSIC), 2011 Symposium on
Conference_Location :
Honolulu, HI
Print_ISBN :
978-1-61284-175-5