Accelerometers now even smaller
23 January 2008
Electronics Technology
STMicroelectronics has introduced a new generation of 'nano' three-axis linear accelerometers. The versatile, low-power MEMS sensors provide complete output flexibility and embedded smart features, meeting the exploding demand for miniaturised motion-sensing solutions in the consumer and industrial markets.
The new sensors' 3 x 3 x 0,9 mm plastic package effectively addresses the space and weight constraints of portable electronic devices. The LIS331 accelerometers deliver high performance at low power consumption and their compact, robust design provides high immunity to vibration and shock survivability up to 10 000 G.
The LIS331DL integrates a standard SPI/I2C digital interface and a host of embedded features, including click and double-click recognition, wake-up and motion detection, high-pass filters and two dedicated, programmable interrupt lines.
The analog-output LIS331AL provides individual acceleration values for all three (x, y, z) axes. The sensor offers a full-scale output range of ±2,0 G, high temperature stability and tight offset tolerances. It incorporates built-in self-test capability that allows the customer to verify the functioning of the sensor after it has been assembled on board.
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