Bosch Sensortec

BMA422

Accelerometer

The triaxial BMA422 is an ultra-small, low-g acceleration sensor with digital interfaces, especially aiming for low-power consumer electronics applications. Accordingly, the BMA422 accelerator is the perfect match for various use cases such as gesture recognition, advanced power management or shock and freefall detection. BMA422 is able to detect significant motion, tilt and enables plug ’n’ play step counting in smartphones and wearable devices. Furthermore, the BMA422 is optimized to fulfill Android M low-power accelerometer requirements.

Technical data

Parameter Technical data
Parameter
Digital resolution
Technical data
12 bit
Parameter
Resolution
(in ±2g range)
Technical data
0.98 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
±80 mg
Parameter
Noise density (typ.)
Technical data
140 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
12 μA (at 50Hz data rate)
Parameter
FIFO data buffer
Technical data
1 kB
Parameter
LGA package
Technical data
2 x 2 x 0.95 mm³
Parameter
Shock resistance
Technical data
10,000 g x 200 µs

Documents

Software

Woman taking a picture of New York City

Smartphones & tablets

Did you know that you most likely have a Bosch MEMS sensor in your pocket? More than every second smartphone and tablet worldwide contains at least one of these tiny helpers. Bosch MEMS sensors stabilize images, detect gestures and activities, and count your steps.

Explore more

The BSEC software is only available for download after accepting the software license agreement:

BSEC license agreement
  

You will soon receive an e-mail with the download link.