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BMA280

The BMA280 is an advanced, ultra-small, triaxial, low-g acceleration sensor with digital interfaces, aiming for low-power consumer electronics applications. Featuring 14 bit digital resolution, the BMA280 allows very low-noise measurement of accelerations in 3 perpendicular axes and thus senses tilt, motion, shock and vibration in cellular phones, handhelds, computer peripherals, man-machine interfaces, virtual reality features and game controllers.

With its small footprint of only 2 x 2 mm2 the BMA280 is unique in the class of low-noise, 14 bit digital acceleration sensors. On top, the BMA280 integrates a multitude of features that facilitate its use especially in the area of motion detection applications, such as device orientation detection, gaming, HMI and menu browser control. Navigation and spirit level measurement applications are enabled by the 14 bit resolution. Featuring a full operation current consumption of only 130 μA the BMA280 is ideally suited for mobile consumer electronic devices. In low-power mode operation the current consumption can be even further reduced by more than one order of magnitude.

Applications

- Spirit level

- Navigation

- Display profile switching (portrait/landscape, face-up/face-down switching)

- Flat detection

- Tap / double tap sensing

- Menu scrolling, gaming

- Advanced power management for mobile devices

- Shock and free-fall detection

- Step-counting

- Tilt compensation for electronic compass

BMA280

Additional Resources:

 Datasheet

Features

• ?Ultra-Small package - LGA package (12 pins), footprint 2mm x 2mm, height 0.95mm
• Digital interface - SPI (4-wire, 3-wire), I²C, 2 interrupt pins V_DDIO voltage range 1.2V to 3.6V
• Acceleration ranges ±2g/±4g/±8g/±16g
• Low-pass filter bandwidths 1kHz - <8kHz
• On-chip FIFO - Integrated FIFO with a depth of 32 frames
• On-chip interrupt controller - Motion-triggered interuppt-signal generation for:
  • new data
  • any-motion (slope) detection
  • tap sensing (single tap/double tap)
  • orientation recognition
  • flat detection
  • low-g/high-g detection
  • motion inactivity detection
• Ultra-low power - Low current consumption, short wake-up time, advanced features for system power management
• Temperature sensor
• RoHS compliant, halogen free

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