A picoampere A/D converter for biosensor applications

Detection and analysis of biological and biochemical signals via compact sensor systems require low-power and compact analog-to-digital converter (ADC) systems. Here we present a highly sensitive flash current-mode ADC (IADC) design with resolution down to 15 pA. The IADC's small-size and low-p...

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Veröffentlicht in:	Sensors and actuators. B, Chemical Chemical, 2010-08, Vol.149 (1), p.170-176
Hauptverfasser:	Rachmuth, Guy, Zhou, Kuan, Monzon, Joshua J.C., Helble, Heiko, Poon, Chi-Sang
Format:	Artikel
Sprache:	eng
Schlagworte:	Current-mode Flash analog-to-digital converter (ADC) Picoampere level detection
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Beschreibung
Zusammenfassung:	Detection and analysis of biological and biochemical signals via compact sensor systems require low-power and compact analog-to-digital converter (ADC) systems. Here we present a highly sensitive flash current-mode ADC (IADC) design with resolution down to 15 pA. The IADC's small-size and low-power capabilities allow integration for stand-alone biological or chemical microsensor applications.
ISSN:	0925-4005 1873-3077
DOI:	10.1016/j.snb.2010.06.004