STMicroelectronics has unveiled details of its new family of three-axis digital accelerometers that combine the market’s smallest footprints with a drastically reduced current consumption and enhanced functionality.
Latest advancements in accelerometer design have shrunk the footprint of ST sensors down to 2x2mm and reduced current consumption below 10µA at the sampling rate of 100Hz. Already lower by an order of magnitude than other devices currently in production, these values can further shrink to just a few microamperes for lower data rates. This substantial achievement is set to speed up the adoption of motion-activated features and applications in space- and power-constrained portable consumer devices, with no compromise in performance and functionality.
ST’s newest accelerometers embed a host of enhanced features, including click and double-click recognition, motion-detection/wake-up, and 4D/6D orientation detection.
The accelerometers contain a temperature sensor and three analog-to-digital converter channels for easy integration with companion chips, such as gyroscopes. Other important features include a programmable FIFO (first-in, first-out) and two programmable interrupt signals that enable immediate notification of motion detection, click/double-click events, and other conditions.
The new family is pin-to-pin and software-compatible with ST’s current 3x3mm three-axis digital accelerometers, so customers can easily ‘hot swap’ and protect their investment in application development.
STMicroelectronics
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