Analogue, Mixed Signal, LSI


3-axis accelerometer

4 August 2010 Analogue, Mixed Signal, LSI

STMicroelectronics has extended its motion-sensor portfolio with a 3-axis digital-output accelerometer. With operating current consumption as low as 2 μA, the 3 x 3 x 1 mm accelerometer provides accurate output across full-scale ranges of ±2 G/ ±4 G/±8 G/±16 G. The LIS3DH contains a temperature sensor and three analog-to-digital converter channels for easy integration with companion chips such as gyroscopes. It embeds a host of enhanced features, including click and double-click recognition, 4D/6D orientation detection and the power-saving sleep-to-wake-up mode; in this mode, the device keeps the read chain active and wakes up when an event occurs, automatically increasing the output data rate. Other features include a programmable FIFO memory block and two programmable interrupt signals that enable immediate notification of motion detection, click/double-click events and other conditions.



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