BMA250 Bosch Sensortec, BMA250 Datasheet - Page 13

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

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

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