BMA220 Bosch Sensortec, BMA220 Datasheet

ACCELEROMETER 3-AXIS SPI/I2C SMD

BMA220

Manufacturer Part Number
BMA220
Description
ACCELEROMETER 3-AXIS SPI/I2C SMD
Manufacturer
Bosch Sensortec
Datasheet

Specifications of BMA220

Axis
X, Y, Z
Acceleration Range
±2g, 4g, 8g, 16g
Sensitivity
16LSB/g, 8LSB/g, 4LSB/g, 2LSB/g
Voltage - Supply
1.62 V ~ 3.6 V
Output Type
Digital
Bandwidth
32Hz ~ 1kHz Selectable
Interface
I²C, SPI
Mounting Type
Surface Mount
Package / Case
12-LGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
0273 141 061
828-1016-2

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BMA220
Digital, triaxial acceleration sensor
Bosch Sensortec
General description
The BMA220 is an ultra small triaxial, low-g accelera-
tion sensor with digital interfaces, aiming for low-
power consumer market applications.
The BMA220 allows measurement of accelerations
in 3 perpendicular axes and thus senses tilt, motion,
shock and vibration in cell phones, handhelds, com-
puter peripherals, man-machine interfaces, virtual
reality features and game controllers.
BMA220 target applications
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Sensor operation
With its size of only 2 mm x 2 mm the BMA220 repre-
sents a new generation of digital acceleration sen-
sors. The BMA220 integrates a multitude of features
that facilitates its use especially in the area of motion
detection applications, such as device orientation
detection, gaming, HMI and menu browser control.
Key features BMA220
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Display profile switching (e.g. portrait / landscape)
Tap sensing function
Menu scrolling
Gaming
Advanced power management for mobile devices
Shock detection
User programmable g-range and bandwidth
Low-power consumption
SPI (3-wire / 4-wire) and I
User programmable interrupt engine
Ultra-low-power auto-wake-up mode
Self-test capability
Ultra small package
RoHS compliant, halogen-free
2
C interface
The BMA220 is highly configurable in order to give the
designer full flexibility when integrating the sensor
into his system. All features can be set by software
via the digital interface. This implies also that even
once a hardware platform with the BMA220 exists, it
can be modified by software in order to expand the
capabilities and use cases.
As already introduced with the successful BMA150
and SMB380 digital acceleration sensors, also for
the BMA220 the g-ranges, bandwidths and interrupt
parameters can be user programmed via the serial
digital interface. Here the user can choose between
I
2
C and SPI (3-wire / 4-wire) interface modes.
Technical data
preliminary
Sensitivity axes
Measurement range
Sensitivity
(calibrated)
Resolution
Nonlinearity
Zero-g offset
Bandwidth
Digital input / output
Supply voltage
I / 0 supply voltage
Temperature range
LGA package
BMA220
(switchable via SPI / I
(switchable via SPI / I
2 mm x 2 mm x 0.98 mm
SPI & I
±2g, ±4g, ±8g, ±16g
2
C, interrupt pin
16g:
6bit 62.5mg
-20°C … +70°C
1.62V ... 3.6V
1kHz ... 32Hz
4g:
8g:
2g: 16LSB/g
(±2g range)
±100mg
±2% FS
8LSB/g
4LSB/g
2LSB/g
x/y/z
1.8V
2
2
C)
C)

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BMA220 Summary of contents

Page 1

... Advanced power management for mobile devices Shock detection f Sensor operation With its size of only the BMA220 repre- sents a new generation of digital acceleration sen- sors. The BMA220 integrates a multitude of features that facilitates its use especially in the area of motion detection applications, such as device orientation detection, gaming, HMI and menu browser control ...

Page 2

... SCL (I C serial clock) 2 SCK (SPI serial clock) One of the key elements of the BMA220 is the intelligent interrupt engine that gives the hard- and software designer full control. Various motion detec- tion scenarios can be identified by the BMA220 and signaled to the system via a simple interrupt pin. ...

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