3-AXIS ACCELEROMETER DIGITAL I/F

BMA250

Manufacturer Part NumberBMA250
Description3-AXIS ACCELEROMETER DIGITAL I/F
ManufacturerBosch Sensortec
Series-
BMA250 datasheets
 


Specifications of BMA250

Featured ProductBMA250 - Digital, Triaxial Acceleration SensorAxisX, Y, Z
Acceleration Range±2g, 4g, 8g, 16gSensitivity256LSB/g, 128LSB/g, 64LSB/g, 16LSB/g
Voltage - Supply1.62 V ~ 3.6 VOutput TypeI²C™, SPI™
Bandwidth8Hz ~ 1kHzInterfaceI²C, SPI
Mounting TypeSurface MountPackage / Case12-VQFN
Lead Free Status / Rohs StatusLead free / RoHS CompliantFor Use With828-1024 - BMA250 DAUGHTERCARD FOR DEV KIT
Other names828-1023-2  
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Page 13/74

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Table 5: Description of the parameters of table 4
Sub-Mode
Parameter
see Table 4
output
orient0-detect
output
orient1-detect
Orientation
output
orient2-detect
BW = 62.5 Hz
output
flat-detect
select
orient sleep
output
double-detect
output
Tap
single-detect
select
BW = 1k Hz
tap type
select
tap sleep
output
Slope
motion-detect
select
BW = 125 Hz
slope sleep
low = GND, high = V
DDIO
For more details, refer to chapter 4.3 Power modes and 4.8 Interrupt Controller
Orientation recognition sub mode
Tap sensing sub mode
Any-motion (slope) detection) sub mode
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.
BMA250
Data sheet
State
low
“upright” for portrait / “left” for landscape
high
“upside-down” for portrait / “right” for landscape
low
portrait
high
landscape
low
z-axis upward looking i.e. || < 90° (Fig. 8)
high
z-axis downward looking i.e. || > 90° (Fig. 8)
low
non flat i.e. || > 19,5° (Fig. 8)
high
flat i.e. || < 19,5° (Fig. 8)
GND
Low-Power mode enabled, sleep time = 100ms
V
Low-Power mode enabled, sleep time = 1s
DD
low
currently no Double-Tap event
high
Double-Tap event detected
low
currently no single-tap event
high
Single-Tap event detected
GND
Single-Tap detection enabled
V
Double-Tap detection enabled
DD
GND
Low-Power Mode disabled
V
Low-Power Mode enabled, sleep time = 10ms
DD
low
currently no Any-Motion event
high
Any-Motion event detected
GND
Low-Power mode enabled, sleep time = 50ms
V
Low-Power mode enabled, sleep time = 1s
DD
 refer to chapter 4.8.7
 refer to chapter 4.8.6
 refer to chapter 4.8.5
Page 13 / not for publishing
Bosch Sensortec
Description
03 March 2011