A readout circuit for capacitive biosensors with integrated SAR A/D conversion

被引：1
|
作者：
van Vroonhoven, C. P. L. [1 ]
Rocha, D.
Vellekoop, M. J.
Noehammer, C.
机构：
[1] Vienna Univ Technol, Inst Sensor & Actuator Syst, Vienna, Austria
[2] ARC Seibersdorf Res GmbH, Life Sci, Mol Diagnost, Seibersdorf, Austria
来源：
2006 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-11, PROCEEDINGS | 2006年
关键词：
D O I：
10.1109/ISCAS.2006.1692861
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a circuit for monitoring biochemical reactions on an array of capacitive biosensors. The integrated SAR A/D conversion provides a robust solution that is configurable to meet a range of requirements. In the example given, the circuit operating at 100MHz is able to read out an array of 1000 capacitors with a value of 1pF at 12.5 kHz with 6 bit accuracy.
引用
收藏
页码：1418 / 1421
页数：4
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