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Three-axis accelerometer consumes as low as 2µA

Posted: 06 Jul 2010     Print Version  Bookmark and Share

Keywords:accelerometer  motion sensor  gyroscope 

LIS3DH accelerometer

STMicroelectronics recently introduced the LIS3DH, a three-axis digital-output accelerometer that boasts operating consumption as low as 2µA and dimensions of 3mm x 3mm x 1mm. It is designed for motion-sensing features and applications in space- and power-constrained consumer devices, such as mobile phones, remotes and game controllers. The sensor provides accurate and stable output across full-scale ranges of ±2g/±4g/±8g/±16g.

The LIS3DH contains a temperature sensor and three ADC 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. It also features a programmable FIFO memory block and two programmable interrupt signals that enable immediate notification of motion detection, click/double-click events, and other conditions.

The device is pin-to-pin and software-compatible with all ST accelerometers in the LIS331 family. Volume production is scheduled for early Q3 10 and the unit price is Rs.39.69 (85 cents) in quantities of one lakh pieces.

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