LIS2L02AL_06 STMICROELECTRONICS [STMicroelectronics], LIS2L02AL_06 Datasheet

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LIS2L02AL_06

Manufacturer Part Number
LIS2L02AL_06
Description
MEMS INERTIAL SENSOR:2-axis - +/-2g ultracompact linear accelerometer
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
Features
Description
The LIS2L02AL is a low-power 2-axis linear
capacitive accelerometer that includes a sensing
element and an IC interface able to take the
information from the sensing element and 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 inertial
sensors and actuators in silicon.
The IC interface is manufactured using a standard
CMOS process that allows high level of
integration
Order codes
May 2006
2.4V to 5.25V single supply operation
Low power consumption
±
0.3mg resolution over 100Hz bandwidth
Embedded self test
Output voltage, offset and sensitivity
ratiometric to the supply voltage
High shock survivability
ECOPACK® Lead-free compliant
(see
2g full-scale
LIS2L02ALTR
Part number
LIS2L02AL
Section
6)
2-axis - +/-2g ultracompact linear accelerometer
Temp range, °C
-40°C to +85°C
-40°C to +85°C
Rev 2
to design a dedicated circuit which is trimmed to
better match the sensing element characteristics.
The LIS2L02AL has a full scale of
capable of measuring accelerations over a
bandwidth of 2.0 kHz for all axes. The device
bandwidth may be reduced by using external
capacitances. A self-test capability allows to
check the mechanical and electrical signal path of
the sensor.
The LIS2L02AL is available in plastic SMD
package and it is guaranteed to operate over an
extended temperature range of -40°C to +85°C.
The LIS2L02AL 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.
MEMS INERTIAL SENSOR:
Package
LGA-8
LGA-8
LGA-8
LIS2L02AL
Tape & Reel
Packing
±
Tray
2g and it is
www.st.com
1/17
17

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LIS2L02AL_06 Summary of contents

Page 1

Features ■ 2.4V to 5.25V single supply operation ■ Low power consumption ± ■ 2g full-scale ■ 0.3mg resolution over 100Hz bandwidth ■ Embedded self test ■ Output voltage, offset and sensitivity ratiometric to the supply voltage ■ High shock ...

Page 2

Contents Contents 1 Block diagram & pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 ...

Page 3

LIS2L02AL 1 Block diagram & pins description 1.1 Block diagram Figure 1. Block diagram a SELF TEST 1.2 Pin description Figure 2. Pin connection X Y DIRECTION OF THE DETECTABLE ACCELERATIONS X+ CHARGE Y+ AMPLIFIER MUX Y- X- TRIMMING CIRCUIT ...

Page 4

Block diagram & pins description Table 1. Pin description Pin # Pin Name Reserved 5 Reserved 4/17 ST Self Test (Logic 0: normal mode; Logic 1: Self-test) NC Not connected GND 0V supply ...

Page 5

LIS2L02AL 2 Mechanical and electrical specifications 2.1 Mechanical characteristics Table 2. Mechanical characteristics (Temperature range -40°C to +85°C) All the parameters are specified @ Vdd =3.3V 25°C unless otherwise noted Symbol Parameter (3) Ar Acceleration Range (4) So ...

Page 6

Mechanical and electrical specifications 2.2 Electrical characteristics Table 3. Electrical characteristics (Temperature range -40°C to +85°C) All the parameters are specified @ Vdd =3.3V, T=25°C unless otherwise noted Symbol Parameter Vdd Supply Voltage Idd Supply Current Vst Self Test Input ...

Page 7

LIS2L02AL 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 Self Test allows to test the mechanical and electric part of the sensor, allowing the seismic mass to be moved by means of an electrostatic test-force. The Self Test function is off when the ST pin ...

Page 9

LIS2L02AL 3 Functionality The LIS2L02AL is a high performance, low-power, analog output 2-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 ...

Page 10

Application hints 4 Application hints Figure 3. LIS2L02AL Electrical connection Vdd 10µF 100nF GND GND ST GND Power supply decoupling capacitors (100nF ceramic or polyester + 10µF Aluminum) should be placed as near as possible to the device (common design ...

Page 11

LIS2L02AL 4.1 Soldering information The LGA-8 package is compliant with the ECOPACK,RoHs and “Green” standard qualified for soldering heat resistance according to JEDEC J-STD-020C. Pin 1 indicator is electrically connected to ST pin. Leave pin 1 indicator unconnected ...

Page 12

Typical performance characteristics 5 Typical performance characteristics 5.1 Mechanical characteristics at 25°C Figure 5. x-axis Zero-g level at 3. 1.55 1.6 1.65 Zero−g Level (V) Figure 7. x-axis sensitivity at 3. ...

Page 13

LIS2L02AL 5.2 Mechanical characteristics derived from measurement in the -40°C to +85°C temperature range Figure 9. x-axis Zero-g level change Vs temperature −0.4 −0.2 0 Zero−g level change (mg/deg. C) Figure 11. ...

Page 14

Typical performance characteristics 5.3 Electrical characteristics at 25°C Figure 13. Noise density at 3.3V (x,y axis Noise density (ug/sqrt(Hz)) 14/17 Figure 14. Current consumption at 3.3V 20 ...

Page 15

LIS2L02AL 6 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 inner ...

Page 16

Revision history 7 Revision history Table 6. Document revision history Date 26-Sep-2005 03-May-2006 16/17 Revision 1 Initial release. 2 Corrected typo errors. Applied new corporate template layout. LIS2L02AL Changes ...

Page 17

LIS2L02AL 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 ...

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