BMA250 Bosch Sensortec, BMA250 Datasheet - Page 2

3-AXIS ACCELEROMETER DIGITAL I/F

BMA250

Manufacturer Part Number
BMA250
Description
3-AXIS ACCELEROMETER DIGITAL I/F
Manufacturer
Bosch Sensortec
Series
-r
Datasheets

Specifications of BMA250

Featured Product
BMA250 - Digital, Triaxial Acceleration Sensor
Axis
X, Y, Z
Acceleration Range
±2g, 4g, 8g, 16g
Sensitivity
256LSB/g, 128LSB/g, 64LSB/g, 16LSB/g
Voltage - Supply
1.62 V ~ 3.6 V
Output Type
I²C™, SPI™
Bandwidth
8Hz ~ 1kHz
Interface
I²C, SPI
Mounting Type
Surface Mount
Package / Case
12-VQFN
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With
828-1024 - BMA250 DAUGHTERCARD FOR DEV KIT
Other names
828-1023-2

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BMA250
Digital, triaxial 2g to 16g acceleration sensor
with intelligent on-chip motion-triggered interrupt controller
Key features
Typical applications
General description
The BMA250 is a triaxial, low-g acceleration sensor with digital output for consumer market
applications. It allows measurements of acceleration in three perpendicular axes. An evaluation
circuitry (ASIC) converts the output of a micromechanical acceleration-sensing structure
(MEMS) that works according to the differential capacitance principle.
Rev. 1.0
© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such
as copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
Ultra-Small package
Digital interface
Programmable functionality Acceleration ranges ±2g/±4g/±8g/±16g
On-chip interrupt controller
Ultra-low power ASIC
RoHS compliant, halogen-free
Display profile switching
Menu scrolling, tap / double tap sensing
Gaming
Pedometer / step counting
Free-fall detection
E-compass tilt compensation
Drop detection for warranty logging
Advanced system power management for mobile applications
Page 2 / not for publishing
LGA package (12 pins), footprint 2mm x 2mm,
height 0.95mm
SPI (4-wire, 3-wire), I²C, 2 interrupt pins
V
Low-pass filter bandwidths 1kHz - <8Hz
Motion-triggered interrupt-signal generation for
- new data
- any-motion (slope) detection
- tap sensing (single tap / double tap)
- orientation recognition
- flat detection
- low-g/high-g detection
Stand-alone capability (no microcontroller needed)
Low current consumption, short wake-up time,
Advanced features for system power management
DDIO
Data sheet
voltage range: 1.2V to 3.6V
BMA250
Bosch Sensortec
03 March 2011

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