半导体光子学与技术, 2008, 14 (2): 69, 网络出版: 2011-08-19
Low Noise Readout Circuit for Biosensor SoC
Low Noise Readout Circuit for Biosensor SoC
摘要
Abstract
Presented is a low noise interface circuit that is tuned to the needs of self-assembly monolayers biosensor SoC. The correlated double sampling(CDS) unit of the readout circuit can reduce 1/fnoise, KTC noise and fixed noise of micro arrays effectively. The circuit is simulated in a 0.6μm/level 7 standard CMOS process, and the simulated results show the output voltage has a good linearity with the transducing current of the micro arrays. This is a novel circuit including four amplifiers sharing a common half-circuit and the noise reducing CDS unit. It could be widely used for micro array biosensors.
PAN Yin-song, KONG Mou-fu, LI Xiang-quan, WANG Li. Low Noise Readout Circuit for Biosensor SoC[J]. 半导体光子学与技术, 2008, 14(2): 69. PAN Yin-song, KONG Mou-fu, LI Xiang-quan, WANG Li. Low Noise Readout Circuit for Biosensor SoC[J]. Semiconductor Photonics and Technology, 2008, 14(2): 69.
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