A Low-Power 1-V Potentiostat for Glucose Sensors

被引：33

作者：

Zuo, Liang ^{[1
]}

Islam, Syed K. ^{[1
]}

Mahbub, Ifana ^{[1
]}

Quaiyum, Farhan ^{[1
]}

机构：

[1] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2015年 / 62卷 / 02期

关键词：

Amperometric; bulk-driven; low-voltage design; operational amplifier; potentiostat; VLSI POTENTIOSTAT; CMOS POTENTIOSTAT; CIRCUIT; DESIGN; OTA;

D O I：

10.1109/TCSII.2014.2387691

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this brief, a 1-V potentiostat circuit for a glucose sensor has been proposed. Test results of this 1-V potentiostat demonstrate high linearity with respect to glucose concentration, which is comparable with conventional potentiostat designs. This high linearity is achieved with the help of a transconductance enhanced bulk-driven operational amplifier. The overall current consumption of the circuit is around 22 mu A. The potentiostat is tested as a glucose biosensor for glucose concentration ranging from 0 to 30 mM. The design is realized in a 0.35-mu m bulk-CMOS process, and the area for the core layout is 0.13 mm(2). The proposed low-power potentiostat can be incorporated in an implantable glucose sensor system due to its low-power operation and small footprint.

引用

页码：204 / 208

页数：5

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