Tiny sensors target wearables - Embedded.com

Tiny sensors target wearables

Two combination accelerometer-gyro sensors, the KXG07 and KXG08 from Kionix, a subsidiary of Rohm, provide six axes of motion sensing. Both devices feature a configurable low-power architecture and a large 4096-byte FIFO buffer with timestamps for use in gaming systems, smart phones, and wearable devices.

Unlike conventional sensor signal-detection methods based on amplitude detection, the KXG07 and KXG08 use a proprietary phase-detection scheme that contributes to smaller designs, while enabling full high-speed operation of the onboard accelerometer, gyroscope, and temperature sensor at power consumption levels as low as 0.2mA, allowing for always-on operation. 

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