A current-readout front-end for nanosensors based on a ΔΣ converter approach features an input-equivalent noise of 5fA/√Hz in a 1kHz bandwidth.The front-end detects ion-channel activity caused by single-molecule interactions. The device occupies 0.5mm2 in 0.35μm 2P4M CMOS and consumes less than 23mW.
Sub-pA Delta-Sigma Current Amplifier for Single Molecule Nanosensors
BENNATI, MARCO;THEI, FEDERICO;ROSSI, MICHELE;CRESCENTINI, MARCO;TARTAGNI, MARCO
2009
Abstract
A current-readout front-end for nanosensors based on a ΔΣ converter approach features an input-equivalent noise of 5fA/√Hz in a 1kHz bandwidth.The front-end detects ion-channel activity caused by single-molecule interactions. The device occupies 0.5mm2 in 0.35μm 2P4M CMOS and consumes less than 23mW.File in questo prodotto:
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