A continuous time analog interface for a capacitive accelerometer element is implemented. The integrated part of the interface includes an oscillator and readout circuitry excluding a controller and references. For the realized sensor, the minimum equivalent acceleration noise density of 400 ng/驴Hz is measured. A full scale acceleration of 卤1.5 g and a signal bandwidth of 300 Hz is achieved. The closed-loop sensor is capable of surviving a shock condition.
展开▼
机译：实现了电容式加速度计元件的连续时间模拟接口。该接口的集成部分包括振荡器和读出电路，不包括控制器和基准。对于已实现的传感器，测得的最小等效加速噪声密度为400 ng /驴赫兹。达到了±1.5 g的满量程加速度和300 Hz的信号带宽。闭环传感器能够承受冲击条件。
展开▼
