STMicroelectronics is sampling a MEMS-based three-axes accelerometer device that provides for the first time, it says, both three-axes sensing in a single package and a digital output. Called LIS3L02D, the new device is designed primarily for handheld terminals where it can be used to implement new motion-based user interfaces based on hand movements, allowing one-handed operation without styli, thumb keyboards or other input devices. Other applications include toys, industrial equipment, robotics, automotive systems and appliances where sensing of movement, acceleration or inclination is needed.
The LIS3L02D includes a single-chip MEMS sensor chip plus a calibrated interface chip that senses changes in capacitance in the sensor and translates them into SPI or I2C serial digital outputs. Compared to assemblies of single-axis sensors the device is simpler, less expensive and more precise, claims ST, cutting manufacturing costs.
Operating on a 2,7 to 3,6 V supply voltage, the LIS3L02D has an equivalent noise acceleration of better than 500 millionths of one 'g'.
For more information contact Simon Churches, Arrow Altech Distribution, 011 923 9600, [email protected]
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