BMA222E
The BMA222E is an advanced, ultra-small, triaxial, low-g acceleration sensor with digital interfaces, aiming for low-power consumer electronics applications. Featuring 8 bit digital resolution, the BMA222E allows low-noise measurement of accelerations in 3 perpendicular axes.
On top, the BMA222E 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 BMA222E is ideally suited for mobile consumer electronic devices.
Applications
- Display profile switching (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
BMA222EBMA222E Features- Digital resolution: 8 bit
- Resolution(±2 g range): 15.6mg
- Measurement range(programmable): ±2g, ±4g, ±8g, ±16g
- Sensitivity (calibrated)
- ±2g: 64 LSB/g
- ±4g: 32 LSB/g
- ±8g: 16 LSB/g
- ±16g: 8 LSB/g
- Zero-g offset(over lifetime): ±100mg
- 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
? BMA222E Block Diagram
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