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A low-power high-performance accelerometer ASIC for high-end medical motion sensing

机译:用于高端医疗运动感应的低功耗高性能加速度计ASIC

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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.
机译:在1.5V 0.13µm CMOS中实现了用于电容MEMS加速度传感器的170µW读出IC,用于高端医疗运动感测应用。加速度计可实现45µg / vHz的本底噪声,对于400Hz带宽,动态范围大于87dB。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,可实现功耗降低。

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