BMA250E

The BMA250E is an advanced, ultra-small, triaxial, low-g acceleration sensor with digital interfaces, aiming for low-power consumer electronics applications. Featuring 10 bit digital resolution, the BMA250E allows low-noise measurement of accelerations in 3 perpendicular axes.

On top, theBMA250E with its 2 x 2 mm2 footprint 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. Featuring a full operation current consumption of only 130 μA the BMA250E is ideally suited for mobile consumer electronic devices.

Applications

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

- Flat detection

- Tap sensing function

- Menu scrolling

- Gaming

- Advanced power management for mobile devices

- Shock and free-fall detection

- Step-counting

- Tilt compensation for electronic compass

BMA250E Additional Resources:  BMA250E Datasheet BMA250E Features Digital resolution: 10 bit Resolution(±2 g range): 3.9mg Measurement range(programmable): ±2g, ±4g, ±8g, ±16g Sensitivity (calibrated) ±2g: 256 LSB/g ±4g: 128 LSB/g ±8g: 64 LSB/g ±16g: 32 LSB/g Zero-g offset(over lifetime): ±80mg Bandwidths (programmable): 1000Hz ... 8Hz Digital inputs/ outputs: SPI & I2C, 2x digital interrupt pins Supply voltage: 1.62V ... 3.6V I/O supply voltage: 1.2V ... 3.6V Temperature range: -40°C … +85°C Current consumption (full operation): 130μA (@ 2kHz data rate) Current consumption (low-power mode): 6.5μA (@ 40Hz data rate) LGA package: 2 x 2 x 0.95mm3 ?BMA250E Block Diagram

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