A 3.2 mW mixed-signal readout circuit for an organic vertical nanojunctions sensor

Chang-Po Chao*, Chin I. Su, Trong Hieu Tran, Hsiao-Wen Zan

*此作品的通信作者

研究成果: Conference contribution同行評審

摘要

A new sensitivity organic vertical nano-junctions (VNJ) sensor for ammonia detection and its readout system are presented in this study. The designed ammonia sensor, VNJP3HT diode, is a simple structure with real-time response, high reproducibility and low-cost sensor. Along with the designed sensor, a precision and robust readout circuit is designed and successfully implemented as the proposed chip in this study. To utilize for a novel organic bio-chip, a particular readout system is presented that can acquire signal, compute and display concentration values of ammonia without using microcontroller. The chip is fabricated by the TSMC 0.18-μm 1P6M 3.3V mixedsignal CMOS process technique for verification. Experiment results show that the average resolution is 70.48mV/log(ppm) in a short transient time response, 50 seconds, as compared to prior study, 200 seconds. Error rate, average noise and detection rate reliability are 2.86%, 123 μVrms, and 99.6%, respectively. This chip could be suitable for application in cars, cell phones, watches, etc.

原文English
主出版物標題ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016
發行者American Society of Mechanical Engineers
ISBN(電子)9780791849880
DOIs
出版狀態Published - 1 一月 2016
事件ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016 - Santa Clara, United States
持續時間: 20 六月 201621 六月 2016

出版系列

名字ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016

Conference

ConferenceASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016
國家/地區United States
城市Santa Clara
期間20/06/1621/06/16

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