BMA145 Bosch Sensortec, BMA145 Datasheet - Page 13

• Manufacturer Part Number: BMA145
• Description: 3-AXIS ACCELEROMETER ANALOG I/F
• Manufacturer: Bosch Sensortec

Specifications of BMA145

• Axis: X, Y, Z
• Acceleration Range: ±4g
• Sensitivity: 300mV/g
• Voltage - Supply: 1.8 V ~ 3.5 V
• Output Type: Analog
• Bandwidth: 1.5kHz
• Interface: Parallel
• Mounting Type: Surface Mount
• Package / Case: 16-LGA
• For Use With: 828-1011 - BMA145 DAUGHTERCARD FOR DEV KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 828-1002-2

4.6
If the sensor is accelerated into the indicated directions, the corresponding channels will deliver
a positive acceleration signal (dynamic acceleration).
Example: If the sensor is at rest or at uniform motion in a gravity field according to the figure
given below, the output signals are:
The following table lists all corresponding output signals on Ax, Ay, and Az while the sensor is
at rest or at uniform motion in a gravity field under assumption of a top down gravity vector as
shown above.
Rev. 1.1
© 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.
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•
•
Polarity of the acceleration output
Sensor orientation
(gravity vector )
± 0g for the X channel
± 0g for the Y channel
+ 1g for the Z channel
Output signal Ax
Output signal Ay
Output signal Az
+y
+1g / 1.8V
0g / 1.5V
0g / 1.5V
Triaxial, analog acceleration sensor
-1g / 1.2V
0g / 1.5V
0g / 1.5V
gravity vector
top side
Data sheet
027
CCC
Page 13
AY
WW
BMA145
-1g / 1.2V
0g / 1.5V
0g / 1.5V
+z
+1g / 1.8V
0g / 1.5V
0g / 1.5V
CCC
WW
AY
027
+1g / 1.8V
0g / 1.5V
0g / 1.5V
upright
Bosch Sensortec
+x
02 April 2008
-1g / 1.2V
0g / 1.5V
0g / 1.5V
upright