LIS2L02AQ3TR STMicroelectronics, LIS2L02AQ3TR Datasheet

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LIS2L02AQ3TR

Manufacturer Part Number
LIS2L02AQ3TR
Description
ACCELEROMETER 2AXIS 44-QFN
Manufacturer
STMicroelectronics
Datasheet

Specifications of LIS2L02AQ3TR

Axis
X, Y
Acceleration Range
±2g, 6g
Sensitivity
Vdd/5, Vdd/15 = V/g
Voltage - Supply
2.4 V ~ 5.25 V
Output Type
Analog
Bandwidth
4kHz
Interface
IC
Mounting Type
Surface Mount
Package / Case
44-QFN
Family Name
LIS2L02AQ
Package Type
QFN
Operating Supply Voltage (min)
2.4V
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
5.25V
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Product Depth (mm)
7mm
Product Height (mm)
1.8mm
Product Length (mm)
7mm
Mounting
Surface Mount
Pin Count
44
Sensing Axis
X, Y
Acceleration
2 g, 6 g
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
No. Of Axes
2
Sensor Case Style
QFN
No. Of Pins
44
Supply Voltage Range
2.4V To 5.25V
Operating Temperature Range
-40°C To +85°C
Filter Terminals
SMD
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
Description
The LIS2L02AQ3 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
July 2005
2.4V TO 5.25V SINGLE SUPPLY
OPERATION
LOW POWER CONSUMPTION
±2g/±6g USER SELECTABLE FULL-SCALE
0.3mg RESOLUTION OVER 100Hz
BANDWIDTH
EMBEDDED SELF TEST AND POWER
DOWN
OUTPUT VOLTAGE, OFFSET AND
SENSITIVITY RATIOMETRIC TO THE
SUPPLY VOLTAGE
HIGH SHOCK SURVIVABILITY
ECO-PACK COMPLIANT
LIS2L02AQ3TR
Part number
LIS2L02AQ3
Temp range, °C
-40°C to +85°C
-40°C to +85°C
2-axis - ±2g/±6g LINEAR ACCELEROMETER
CD00059664
to design a dedicated circuit which is trimmed to
better match the sensing element characteristics.
The LIS2L02AQ3 has a user selectable full scale
of ±2g, ±6g and it is capable of measuring
accelerations over a bandwidth of 1.5 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 LIS2L02AQ3 is available in plastic SMD
package and it is specified over an extended
temperature range of -40°C to +85°C.
The LIS2L02AQ3 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
QFN-44
QFN-44
QFN-44
LIS2L02AQ3
Tape & Reel
Packing
Tray
www.st.com
Rev 1
1/17
17

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LIS2L02AQ3TR Summary of contents

Page 1

... The IC interface is manufactured using a standard CMOS process that allows high level of integration Order codes Part number LIS2L02AQ3 LIS2L02AQ3TR July 2005 MEMS INERTIAL SENSOR: 2-axis - ±2g/±6g LINEAR ACCELEROMETER to design a dedicated circuit which is trimmed to better match the sensing element characteristics. ...

Page 2

Contents 1 Block Diagram & Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ...

Page 3

LIS2L02AQ3 1 Block Diagram & Pin Description 1.1 Block diagram Figure 1. Block Diagram SELF TEST 1.2 Pin Description Figure 2. Pin Connection (Top view) DIRECTION OF THE DETECTABLE ACCELERATIONS CHARGE AMPLIFIER MUX TRIMMING CIRCUIT ...

Page 4

Block Diagram & Pin Description Table 1. Pin description Pin # Pin Name GND 5 Vdd 6 Vouty Voutx 9- 17-18 Reserved 19 Reserved ...

Page 5

LIS2L02AQ3 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 3 Guaranteed by wafer level test and measurement of initial offset and sensitivity 4 Zero-g level and sensitivity are essentially ratiometric to supply voltage 5 Guaranteed by design 6 Contribution to the measuring output of ...

Page 7

LIS2L02AQ3 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 electrical part of the sensor. By applying a digital signal to the ST input pin an internal reference is switched to a certain area of the sensor ...

Page 9

LIS2L02AQ3 3 Functionality The LIS2L02AQ3 is a high performance, low-power, analog output 2-axis linear accelerometer packaged in a QFN 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. LIS2L02AQ3 Electrical Connection Vdd 44 1 10µF 100nF GND GND GND LIS2L02AQ3 ST (top view Power supply decoupling capacitors (100nF ceramic or polyester + 10µF Aluminum) should be placed as ...

Page 11

LIS2L02AQ3 Table 5. Filter Capacitor Selection, C commercial available. Cut-off frequency 100 Hz 200 Hz 500 Hz 4.1 Soldering information The QFN44 package is lead free and green package qualified for soldering heat resistance according to JEDEC J-STD-020C. Land pattern ...

Page 12

Typical performance characteristics 5 Typical performance characteristics 5.1 Mechanical Characteristics at 25°C Figure 4. x-axis 0-g level at 3. 1.55 1.6 1. LEVEL (V) Figure 6. x-axis sensitivity at 3. ...

Page 13

LIS2L02AQ3 5.2 Mechanical Characteristics derived from measurement in the -40°C to +85°C temperature range Figure 8. x-axis 0-g level change Vs temperature 0.8 0.6 0.4 0.2 Zero g level ...

Page 14

Typical performance characteristics 5.3 Electrical characteristics at 25°C Figure 12. Noise density at 3. Noise density (ug/sqrt(Hz)) Figure 14. Current consumption in power down mode at ...

Page 15

LIS2L02AQ3 6 Package Information Figure 15. QFN-44 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. MAX. A 1.70 1.80 1.90 A1 0.19 0.21 b 0.20 0.25 0.30 D 7.0 E 7.0 e 0.50 J 5.04 5.24 K 5.04 5.24 ...

Page 16

Revision history 7 Revision history Date Revision 15-July-2005 16/17 1 First issue. CD00059664 LIS2L02AQ3 Changes ...

Page 17

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...

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