In this section
@article{Leene:2018:10.1109/JSSC.2018.2850918,
author = {Leene, L and Constandinou, TG},
doi = {10.1109/JSSC.2018.2850918},
journal = {IEEE Journal of Solid-State Circuits},
pages = {2604--2613},
title = {A 0.006mm² 1.2μW analogue-to-time converter for asynchronous bio-sensors},
url = {http://dx.doi.org/10.1109/JSSC.2018.2850918},
volume = {53},
year = {2018}
}
TY - JOUR
AB - This work presents a low-power analogue-to-time converter (ATC) for integrated bio-sensors. The proposed circuit facilitates the direct conversion of electrode biopotential recordings into time-encoded digital pulses with high efficiency without prior signal amplification. This approach reduces the circuit complexity for multi-channel instrumentation systems and allows asynchronous digital control to maximise the potential powersavings during sensor inactivity. A prototype fabricated using a 65nm CMOS technology is demonstrated with measured characteristics. Experimental results show an input-referred noise figure of 3.8μ Vrms for a 11kHz signal bandwidth while dissipating 1.2μ W from a 0.5V supply and occupying 60 ×80μ m² silicon area. This compact configuration is enabled by the proposed asynchronous readout that shapes the mismatch componentsarising from the multi-bit quantiser and the use of capacitive feedback.
AU - Leene,L
AU - Constandinou,TG
DO - 10.1109/JSSC.2018.2850918
EP - 2613
PY - 2018///
SN - 0018-9200
SP - 2604
TI - A 0.006mm² 1.2μW analogue-to-time converter for asynchronous bio-sensors
T2 - IEEE Journal of Solid-State Circuits
UR - http://dx.doi.org/10.1109/JSSC.2018.2850918
UR - https://ieeexplore.ieee.org/document/8417925
UR - http://hdl.handle.net/10044/1/61566
VL - 53
ER -