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	A Low-Offset Analogue Front-End IC for Multi-Channel Physiological Signal Acquisition
	Jinyong Zhang; Lei Wang; Li Yu; Yabei Yang; Yuanting Zhang; Bin Li , Li Y; Lei Wang; Li Yu; Yabei Yang; Yuanting Zhang
	2009
会议名称	31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009
英文摘要	This paper describes a low-offset analogue front-end (AFE) integrated circuit (IC) for multi-channel physiological signal acquisitions. The mixed signal IC consists of low-offset gain programmable instrumentation amplifiers (GPIAs), high sensitive current-to-voltage converters (I-V converters), reference and an 8-bit analogue-to-digital converter (ADC). The IC offered adjustable gains that were elaborated for various physiological signal acquisitions. The conditional signals were quantized by ADC that offered an optimal solution for portable applications. The circuit was fabricated in SMIC 0.18-μm mixed-signal CMOS technology, and core area of the whole IC measured 1.36 mm2. The post-annotated simulations suggested that the system achieved a common-mode-rejectionration (CMRR) of 142 dB, the adjustable gain from 31.6 dB to 76.5 dB, and the offset voltage less than 80 μV. The 8-bit ADC exhibited less than 0.8 LSB DNL and 1.1 LSB INL. Power dissipation of each channel and the ADC were approximately 348 μW and 1.65 mW under a 1.8 V single supply voltage, respectively. It is suitable for a wide range of high precision biomedical applications.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/2611]
专题	深圳先进技术研究院_医工所
作者单位	2009
推荐引用方式 GB/T 7714	Jinyong Zhang,Lei Wang,Li Yu,et al. A Low-Offset Analogue Front-End IC for Multi-Channel Physiological Signal Acquisition[C]. 见:31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009.

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