BMA280
Accelerometer
The ultra-small BMA280 is an advanced, triaxial, low-g acceleration sensor with digital interfaces, aiming for low-power consumer electronics applications. It senses tilt, motion, shock and vibration e.g. in cellular phones, man-machine interfaces, VR features and game controllers. An evaluation circuitry (ASIC) converts the output of a micromechanical acceleration-sensing structure (MEMS). The BMA280 accelerometer facilitates its use especially in motion detection applications such as device orientation, gaming, HMI and menu browser control.
Technical data
Parameter | Technical data |
---|---|
Parameter
Digital resolution
|
Technical data
14 bit
|
Parameter
Resolution
(in ±2g range) |
Technical data
0.244 mg
|
Parameter
Measurement ranges
(programmable) |
Technical data
±2 g, ±4 g, ±8 g, ±16 g
|
Parameter
Sensitivity (calibrated)
|
Technical data
±2 g: 4096 LSB/g
±4 g: 2048 LSB/g ±8 g: 1024 LSB/g ±16 g: 512 LSB/g |
Parameter
Zero-g offset (typ., over life-time)
|
Technical data
±50 mg
|
Parameter
Noise density (typ.)
|
Technical data
120 µg/√Hz
|
Parameter
Bandwidths (programmable)
|
Technical data
500 Hz ... 8 Hz
|
Parameter
Digital inputs/outputs
|
Technical data
SPI & I2C,
2x digital interrupt pins |
Parameter
Supply voltage (VDD)
|
Technical data
1.62 … 3.6 V
|
Parameter
I/0 supply voltage (VDDIO)
|
Technical data
1.2 … 3.6 V
|
Parameter
Temperature range
|
Technical data
-40 … +85°C
|
Parameter
Current consumption
- full operation - low-power mode |
Technical data
130 µA (@ 2 kHz data rate) 6.5 µA (@ 40 Hz data rate) |
Parameter
FIFO data buffer
|
Technical data
32 sample depth
(for each axis) |
Parameter
LGA package
|
Technical data
2 x 2 x 0.95 mm³
|
Parameter
Shock resistance
|
Technical data
10,000 g x 200 µs
|
Parameter
Interrupts
|
Technical data
|

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