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Electronica-Azi International no. 2
May 2017

Rutronik: Accelerometer with Class-Leading Resolution from STMicroelectronics

9 MAY 2017

APR17-RUT-STMicroelectronics-LIS2DW12With the LIS2DW12, distributor Rutronik presents the new member of STMicro electronics’ low-power, high-performance MEMS product family. Taking context sensing in IoT and werable devices to the next level, the 3-axis accelerometer delivers superior accuracy, flexibility, and energy savings by supporting multiple low-power and low-noise settings in a 2×2×0.7mm package.
The LIS2DW12 has 16-bit output and can be set to prioritize low power consumption or low-noise performance, with five settings in either mode. A specific feature coupled with four settings in each mode save waking the system check for data, and allow efficient single-byte transfers thereby further minimizing system power consumption and helping extend battery life. Features that support system-level power savings include a 32-level FIFO, a built-in temperature sensor, and a programmable interrupt to freefall, wake up, activity/inactivity, 6D/4D orientation detection, and tap/double-tap detection. Drawing as little as 50nA in standby, or 380nA in low-power mode at 1.6Hz Output Data Rate, the LIS2DW12 adds negligible load on the battery. The supply-voltage range of 1.62 up to 3.6V allows extended operation from small coin or button cells. Noise density down to 90µg/√Hz is at least 25% lower than similar devices. This improves the measurement accuracy in next-gen applications from healthcare, fitness, and gaming to industrial sensing and environmental monitoring.

Rutronik    |    www.rutronik.com

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