LIS3L02AQ3TR STMicroelectronics, LIS3L02AQ3TR Datasheet

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LIS3L02AQ3TR

Manufacturer Part Number
LIS3L02AQ3TR
Description
ACCELEROMETER TRPL AXIS 44-QFN
Manufacturer
STMicroelectronics
Datasheet

Specifications of LIS3L02AQ3TR

Axis
X, Y, Z
Acceleration Range
±2g, 6g
Sensitivity
Vdd/5, Vdd/15 = V/g
Voltage - Supply
2.4 V ~ 3.6 V
Output Type
Analog
Bandwidth
4kHz - XY, 2.5kHz - Z
Interface
IC
Mounting Type
Surface Mount
Package / Case
44-QFN
Sensing Axis
X, Y, Z
Acceleration
2 g, 6 g
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.4 V
Supply Current
0.85 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Shutdown
Yes
No. Of Axes
3
Sensor Case Style
QFN
No. Of Pins
44
Supply Voltage Range
2.4V To 3.6V
Operating Temperature Range
-40°C To +85°C
Filter Terminals
SMD
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6072-2

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1
2
The LIS3L02AQ3 is a low-power 3-Axis linear capac-
itive 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 accel-
eration, is manufactured using a dedicated process
developed by ST to produce inertial sensors and ac-
tuators in silicon.
The IC interface is manufactured using a standard
CMOS process that allows high level of integration to
design a dedicated circuit which is trimmed to better
match the sensing element characteristics.
The LIS3L02AQ3 has a user selectable full scale of
Figure 2. Block Diagram
May 2005
2.4V TO 3.6V SINGLE SUPPLY OPERATION
LOW POWER CONSUMPTION
±2g/±6g USER SELECTABLE FULL-SCALE
BETTER THAN 0.5mg 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
a
Features
Description
SELF TEST
X+
Y+
Z+
X-
Y-
Z-
REFERENCE
3-Axis - ±2g/±6g LINEAR ACCELEROMETER
MUX
AMPLIFIER
CHARGE
TRIMMING CIRCUIT
±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 capac-
itances. A self-test capability allows to check the me-
chanical and electrical signal path of the sensor.
The LIS3L02AQ3 is available in plastic SMD pack-
age and it is specified over an extended temperature
range of -40°C to +85°C.
The LIS3L02AQ3 belongs to a family of products
suitable for a variety of applications:
Figure 1. Package
Table 1. Order Codes
LIS3L02AQ3TR
– Mobile terminals
– Gaming and Virtual Reality input devices
– Free-fall detection for data protection
– Antitheft systems and Inertial Navigation
– Appliance and Robotics
Part Number
LIS3L02AQ3
MEMS INERTIAL SENSOR:
DEMUX
QFN-44
Package
S/H
S/H
QFN-44
QFN-44
S/H
CLOCK
LIS3L02AQ3
Routx
Routy
Routz
TAPE & REEL
Finishing
Vouty
Voutz
Voutx
TRAY
Rev. 2
1/13

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LIS3L02AQ3TR Summary of contents

Page 1

... May 2005 3-Axis - ±2g/±6g LINEAR ACCELEROMETER Figure 1. Package Table 1. Order Codes LIS3L02AQ3TR ±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 capac- itances. A self-test capability allows to check the me- chanical and electrical signal path of the sensor ...

Page 2

LIS3L02AQ3 Table 2. Pin Description N° Pin Internally not connected 4 GND 0V supply 5 Vdd Power supply 6 Vouty Output Voltage, y-channel 7 ST Self Test (Logic 0: normal mode; Logic 1: Self-test) 8 Voutx ...

Page 3

Table 3. Mechanical Characteristics (Temperature range -40°C to +85°C) All the parameters are specified @ Vdd =3.3V, T=25°C unless oth- erwise noted Symbol Parameter Ar 3 Acceleration Range So 4 Sensitivity SoDr Sensitivity Change Vs Temperature Voff 4 Zero-g Level ...

Page 4

LIS3L02AQ3 Table 4. 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 IddPdn Supply Current in Power Down Mode Vst Self Test ...

Page 5

Terminology Sensitivity describes the gain of the sensor and can be determined by applying 1g acceleration to it. As the sensor can measure DC accelerations this can be done easily by pointing the axis of interest towards the center ...

Page 6

LIS3L02AQ3 be compatible with the external world. The signals of the sensing element are multiplexed and fed into a low-noise capacitive charge amplifier that im- plements a Correlated Double Sampling system (CDS) at its output to cancel the offset and ...

Page 7

Taking in account that the internal filtering resistor (R the external filter cut-off frequency may be simplified as follows: The tolerance of the internal resistor can vary typically of ±20% within its ...

Page 8

LIS3L02AQ3 6 Typical performance characteristics 6.1 Mechanical Characteristics at 25°C Figure 5. x-axis 0-g level at 3. 1.55 1.6 1.65 0g LEVEL (V) Figure 6. y-axis 0-g level at 3. 1.55 1.6 ...

Page 9

Mechanical Characteristics derived from measurement in the -40 Figure 11. x-axis 0-g level change vs. temperature 1.5 1 Zerog level change (mg/ Figure 12. y-axis 0-g level change vs. temperature ...

Page 10

LIS3L02AQ3 6.3 Electrical characteristics at 25°C Figure 17. Noise density at 3.3V (x,y axes Noise density (ug/sqrt(Hz)) Figure 18. Noise density at 3.3V (z axis ...

Page 11

Package Information Figure 21. 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 L ...

Page 12

LIS3L02AQ3 8 Revision History Table 7. Revision History Date Revision November 2004 May 2005 12/13 1 First Issue. 2 Major datasheet review. Description of Changes ...

Page 13

... 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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