BMA423 Intelligent, triaxial acceleration sensor
■The BMA423 is an ultra-small, triaxial, low-g accelerati on sensor with digital interfaces, aiming for low-power consumer electronics applications. Featuring 12 bit digital resolution and embedded intelligence, the BMA423 allows low-noise measurement of accelerations in 3 perpendicular and thus senses wrist tilt, tab/double tab and enables plug 'n' play step counting especially in wearable devices.
●SENSOR FEATURES
■With its embedded intelligence BMA423 is unique in the class of consumer grade accelerometers for wearable devices, wrist bands and toys and gadgets. The embedded intelligence enables low current step-counting at 25 μA. On top, the BMA423 integrates a multitude of other features (e.g. wrist tilt, tab/double tab etc.) that facilitate its use especially in wearable devices. The plug'n' play step counter is optimized for wrist band usage and can be used in other wearable positions as well. Featuring a high performance measurement mode with low pass filters and a current consumption of only 150 μA the BMA423 is robust to vibrations and aliasing. In low-power mode operation the current consumption can be even further reduced by more than one order of magnitude. This fulfills the current consumption requirements for always-on applications and wearable devices.
■The BMA423 is highly configurable in order to give the designer full flexibility when integrating the sensor into the system.
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[ Step counting in wearable devices ][ Wake up display on wrist tilt ][ Low power user interaction by tab/double tab ][ Advanced gesture recognition ][ Activity recognition/tracking ][ Advanced power management for mobile devices ][ Tilt compensation for electronic compass ] |
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Datasheet |
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Please see the document for details |
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LGA |
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English Chinese Chinese and English Japanese |
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062017 |
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Version 1.1 |
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BST-BMA423-FL000-01 |
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233 KB |
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