lis302alktr STMicroelectronics, lis302alktr Datasheet

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lis302alktr

Manufacturer Part Number
lis302alktr
Description
Mems Motion Sensor 3-axis-??2g Analog Output Piccolo Accelerometer
Manufacturer
STMicroelectronics
Datasheet

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Features
Description
The LIS302ALK is a miniaturized low-power
three-axis linear accelerometer. It includes a
sensing element and an IC interface to provide an
analog signal to the external world.
The sensing element, capable of detecting the
acceleration, is manufactured using a dedicated
process developed by ST to produce motion
sensors and actuators in silicon.
The IC interface is manufactured using a CMOS
process that allows to design a dedicated circuit
which is trimmed to better match the sensing
element characteristics. The device can be
operated from 2.16V to 3.6V.
Order codes
Note:
October 2006
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
3.0V to 3.6V supply voltage
~2mW power consumption
±2g full-scale
3 axes acceleration channels
Ratiometric output voltage
Embedded self test
Power down mode
10000g high shock survivability
ECOPACK® RoHS and “Green” compliant
(see
LIS302ALKTR
Part number
LIS302ALK
Section
Tape & reel parts are compliant to International Standard EIA-481.
5)
3-axis - ±2g analog output "piccolo" accelerometer
Temperature range, °C
-40°C to +85°C
-40°C to +85°C
Rev 1
The LIS302ALK has a full scale of
capable of measuring accelerations over a
maximum bandwidth of 2.0kHz. The device
bandwidth may be reduced by using external
capacitances.
A self-test capability allows the user to check the
functioning of the sensor in the final application
without thew need to move or tilt the sensor.
The LIS302ALK is available in plastic Thin Land
Grid Array package (TLGA) and it is guaranteed
to operate over an extended temperature range
from -40°C to +85°C.
The LIS302ALK belongs to a family of products
suitable for a variety of applications:
– Mobile terminals
– Gaming and Virtual Reality input devices
– Free-fall detection for data protection
– Antitheft systems and Inertial Navigation
– Appliance and Robotics.
Package
LGA-14
LGA-14
LGA-14 (3x5x0.9mm)
MEMS motion sensor
LIS302ALK
Tape & reel
Packing
±
Tray
Preliminary Data
2g and it is
www.st.com
1/14
14

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lis302alktr Summary of contents

Page 1

... The device can be operated from 2.16V to 3.6V. Order codes Temperature range, °C Part number LIS302ALK LIS302ALKTR Note: Tape & reel parts are compliant to International Standard EIA-481. October 2006 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. ...

Page 2

Contents Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

LIS302ALK 1 Block diagram Figure 1. Block diagram a SELF TEST 1.1 Pin description Figure 2. Pin connection X Y (TOP VIEW) DIRECTION OF THE DETECTABLE ACCELERATIONS X+ CHARGE Y+ AMPLIFIER Z+ MUX TRIMMING CIRCUIT REFERENCE Z ...

Page 4

Block diagram Table 1. Pin description Pin # Pin Name 1 Reserved 2 Reserved 3 Reserved 4 Reserved Reserved 12 Reserved 13 14 Reserved 4/14 Connect to Vdd Connect to Vdd Connect to ...

Page 5

LIS302ALK 2 Mechanical and electrical specifications 2.1 Mechanical characteristics. Table 2. Mechanical characteristics All parameters are specified @ Vdd =3.3V 25°C unless otherwise noted Symbol Parameter (3) Ar Acceleration range (4) So Sensitivity Sensitivity change Vs SoDr Temperature ...

Page 6

Mechanical and electrical specifications 2.2 Electrical characteristics Table 3. Electrical characteristics All parameters are specified @ Vdd =3.3V, T=25°C unless otherwise noted Symbol Parameter Vdd Supply Voltage Idd Supply Current Supply Current in IddPdn Power Down Mode Vst Self Test ...

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LIS302ALK 2.3 Absolute maximum ratings Stresses above those listed as “absolute maximum ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to ...

Page 8

Mechanical and electrical specifications over lifetime. The Zero-g level tolerance describes the range of Zero-g levels of a population of sensors. Self Test allows to check the sensor functionality without moving it. The Self Test function is off when the ...

Page 9

LIS302ALK 3 Functionality The LIS302ALK is an “piccolo” low-power, analog output three-axis linear accelerometer packaged in a LGA package. The complete device includes a sensing element and an IC interface able to take the information from the sensing element and ...

Page 10

Application hints 4 Application hints Figure 3. LIS302ALK electrical Connection LIS302ALK Vdd 1 GND Digital signals Power supply decoupling capacitors (100nF ceramic or polyester + 10µF Aluminum) should be placed as near as possible to the device ...

Page 11

LIS302ALK Table 5. Filter capacitor selection, C Cut-off frequency 4.1 Soldering information The LGA package is compliant with the ECOPACK, RoHs and “Green” standard.It is qualified for soldering heat resistance according to JEDEC J-STD-020C. Pin1 indicator is electrically connected to ...

Page 12

Package information 5 Package information In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the ...

Page 13

LIS302ALK 6 Revision history Table 6. Document revision history Date 30-Oct-2006 Revision 1 Initial release. Revision history Changes 13/14 ...

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... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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