Acceleration sensor BMA456
High performance. Thin package. Low TCO.
BMA456
Accelerometer
The BMA456 is an ultra-small, triaxial, low-g high performance acceleration sensor with digital interfaces. The sensor is suitable for low-power and demanding consumer electronics applications. It detects wrist tilt, tab/double tab and enables plug ’n’ play step counting especially in wearable devices.
Technical data
Parameter | Technical data |
---|---|
Parameter
Digital resolution
|
Technical data
16 bit
|
Parameter
Resolution
(in ±2g range) |
Technical data
0.06 mg
|
Parameter
Measurement ranges
(programmable) |
Technical data
±2 g, ±4 g, ±8 g, ±16 g
|
Parameter
Sensitivity (calibrated)
|
Technical data
±2 g: 16384 LSB/g
±4 g: 8192 LSB/g ±8 g: 4096 LSB/g ±16 g: 2048 LSB/g |
Parameter
Zero-g offset (typ., over life-time)
|
Technical data
±20 mg
|
Parameter
Noise density (typ.)
|
Technical data
120 µg/vHz
|
Parameter
Bandwidths (programmable)
|
Technical data
1600 Hz ... 1.5 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
150 μA 14 μA typ. (at 50 Hz ODR) |
Parameter
FIFO data buffer
|
Technical data
1 kB
|
Parameter
LGA package
|
Technical data
2 x 2 x 0.65 mm³
|
Parameter
Shock resistance
|
Technical data
10,000 g x 200 µs
|
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