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STMicroelectronics Electronic Components Datasheet

LIS352AX Datasheet

Accelerometers

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LIS352AX pdf
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LIS352AX
MEMS inertial sensor
3-axis - ±2g absolute analog output accelerometer
Preliminary Data
Features
Absolute 0-g level and sensitivity
Very high stability over temperature
3 acceleration channels plus multiplexed
analog output
Factory trimmed device sensitivity and
0-g level
Power-down mode
Embedded self test
10000g high shock survivability
ECOPACK® RoHS and “Green” compliant
(see Section 5)
Applications
Free-fall detection for data protection
Mobile and battery operated terminals
Gaming and virtual reality input devices
Antitheft systems and inertial navigation
Description
The LIS352AX is the new small size, low-power
three-axis linear accelerometer that includes a
sensing element and an IC interface able to
provide an absolute analog signal to the external
world.
The IC interface is manufactured using a CMOS
process that allows high level of integration to
LGA14 (3x5x0.9mm)
design a dedicated circuit which is trimmed to
better match the sensing element characteristics.
The LIS352AX has a full scale of ±2g and it is
capable of measuring accelerations over a
maximum bandwidth of 2.0 kHz. The device
bandwidth may be reduced by using external
capacitances.
The self-test capability allows the user to check
the functioning of the system.
An embedded multiplexer allows to redirect the
analog outputs onto a single pin for operation with
a single channel A/D converter.
ST is already in the field with several hundreds
million sensors with excellent acceptance from
the market in terms of quality, reliability and
performance.
The LIS352AX is provided in plastic land grid
array (LGA) package.
Several years ago ST pioneered successfully the
usage of this package for accelerometers. Today
ST has the widest manufacturing capability and
strongest expertise in the world for production of
sensor in plastic LGA package.
Table 1. Device summary
Order codes
Temperature range, ° C
LIS352AX
-40°C to +85°C
LIS352AXTR
-40°C to +85°C
Package
LGA-14
LGA-14
Packing
Tray
Tape and reel (16mm, pitch 0.8mm)
March 2009
Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/14
www.st.com
14


STMicroelectronics Electronic Components Datasheet

LIS352AX Datasheet

Accelerometers

No Preview Available !

LIS352AX pdf
Contents
Contents
LIS352AX
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Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Mechanical and electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Mechanical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1 Sensing element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2 IC interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 Factory calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4 Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.1 Soldering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2 Output response vs. orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2/14


Part Number LIS352AX
Description Accelerometers
Maker ST Microelectronics
Total Page 14 Pages
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