一款用于高端医疗运动传感的低功耗高性能加速度计专用集成电路。
A low-power high-performance accelerometer ASIC for high-end medical motion sensing.
作者信息
Bernal Olivier D, Choe Kunil, Gopalakrishnan Pradeep K, Cheng Hsiu-Yu, Krishna Kotlanka R, Nuttman David, Axelrod Noel, Je Minkyu
机构信息
Department of Electronics, University of Toulouse INP-LOSE, France.
出版信息
Annu Int Conf IEEE Eng Med Biol Soc. 2010;2010:190-3. doi: 10.1109/IEMBS.2010.5627928.
A 170µW readout IC for a capacitive MEMS acceleration sensor was implemented in a 1.5V 0.13µm CMOS for high-end medical motion sensing applications. The accelerometer achieves a 45µg/vHz noise floor and a dynamic range larger than 87dB for a 400Hz bandwidth. Power reduction is achieved by introducing reset and common-mode feedback circuit techniques based on a non-unity-gain feedback configuration.
一款用于电容式MEMS加速度传感器的170µW读出集成电路采用1.5V 0.13µm CMOS工艺实现，适用于高端医疗运动传感应用。该加速度计在400Hz带宽下实现了45µg/vHz的本底噪声和大于87dB的动态范围。通过引入基于非单位增益反馈配置的复位和共模反馈电路技术来实现功耗降低。
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