The IIS3DWB from STMicroelectronics is a three-axis digital vibration sensor system-in-package which provides low-noise, stable and repeatable sensitivity over a wide frequency bandwidth.
The IIS3DWB has a selectable full-scale acceleration range of ±2 g/±4 g/±8 g/±16 g. It can measure acceleration over a bandwidth of up to 6 kHz at an output data rate of 26.7 kHz.
Operating over an extended temperature range up to 105°C, the IIS3DWB is suitable for monitoring vibration in industrial motors, an essential function in systems for predictive maintenance.
It combines high performance with low power consumption and digital features such as a FIFO and interrupts, which help developers to realize successful designs for battery-operated industrial wireless sensor nodes.
Like other MEMS sensors from ST, the IIS3DWB takes advantage of the robust and mature manufacturing processes already used for the production of micromachined accelerometers and gyroscopes. The sensing elements are manufactured using ST’s proprietary micromachining process, while the embedded IC interfaces are fabricated in a CMOS process.
The IIS3DWB is supplied in a 14-lead plastic LGA package measuring 2.5 mm x 3.0 mm x 0.8 mm.
The STWIN SensorTile wireless industrial node is a development kit and reference design which simplifies the prototyping and testing of advanced industrial IoT applications such as condition monitoring and predictive maintenance.
The kit features a core system board with a range of embedded industrial-grade sensors, including the IIS3DWB. It also features a low-power microcontroller for vibration analysis of motion-sensing data across a wide range of vibration frequencies, including very high-frequency audio and ultrasound spectra, and local temperature and environmental monitoring.
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