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LIS3L02AQ Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer LIS3L02AQ
Beschreibung INERTIAL SENSOR: 3Axis - 2g/6g LINEAR ACCELEROMETER
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 7 Seiten
LIS3L02AQ Datasheet, Funktion
LIS3L02AQ
INERTIAL SENSOR:
3Axis - 2g/6g LINEAR ACCELEROMETER
PRODUCT PREVIEW
s 3V TO 5.25V SINGLE SUPPLY OPERATION
s THE SENSITIVITY IS ADJUSTED WITH A
TOTAL ACCURACY OF ±10%
s THE OUTPUT VOLTAGE, OFFSET,
SENSITIVITY AND TEST VOLTAGE ARE
RATIOMETRIC TO THE SUPPLY VOLTAGE
s DEVICE SENSITIVITY IS ON-CHIP FACTORY
TRIMMED
s EMBEDDED SELF TEST
s HIGH SHOCK SURVIVABILITY
DESCRIPTION
The LIS3L02AQ is a three-axis linear accelerome-
ter that includes a sensing element and an IC in-
terface able to take the information from the
sensing element and to provide an analog signal
to the external world.
The sensing element, capable to detect the accel-
eration, is manufactured using a dedicated pro-
cess called THELMA (Thick Epi-Poly Layer for
Microactuators and Accelerometers) developed
by ST to produce inertial sensors and actuators in
silicon.
The IC interface instead is manufactured using a
CMOS process that allows high level of integration
to design a dedicated circuit which is trimmed to
better match the sensing element characteristics.
The LIS3L02AQ has a user selectable full scale of
QFN-44
ORDERING NUMBER: LIS3L02AQ
2g, 6g and it is capable of measuring accelerations
over a maximum bandwidth of 4.0 KHz for the X
and Y axis and 2.5KHz for the Z axis. The device
bandwidth may be reduced by using external ca-
pacitances. A self-test capability allows the user to
check the functioning of the system.
The LIS3L02AQ is available in plastic SMD pack-
age and it is specified over a temperature range
extending from -40°C to +85°C.
The LIS3L02AQ belongs to a family of products
suitable for a variety of applications:
– Antitheft systems
– Inertial navigation
– Virtual reality input devices
– Vibration Monitoring, recording and compen-
sation
– Appliance control
– Robotics
BLOCK DIAGRAM
S1X
S1Y
S1Z
CHARGE
AMPLIFIER
Routx Voutx
S/H
rot
MUX
S2Z
S2Y
S2X
DEMUX
S/H
S/H
Routy Vouty
Routz Voutz
VOLTAGE & CURRENT
REFERENCE
TRIMMING CIRCUIT
&
TEST INTERFACE
CLOCK
&
PHASE GENERATOR
February 2003
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/7






LIS3L02AQ Datasheet, Funktion
LIS3L02AQ
DIM.
MIN.
mm
TYP. MAX. MIN.
inch
TYP. MAX.
A 1.70 1.80 1.90 0.067 0.071 0.075
A1 0.19
0.21 0.007
0.008
b 0.20 0.25 0.30 0.008 0.01 0.012
D 7.0
0.276
E 7.0
0.276
e 0.50
0.020
J 5.04
5.24 0.198
0.206
K 5.04
5.24 0.198
0.206
L 0.38 0.48 0.58 0.015 0.019 0.023
P 45 REF
45 REF
OUTLINE AND
MECHANICAL DATA
QFN-44 (7x7x1.8mm)
Quad Flat Package No lead
M
G
34
33
23
22
N
44
1
11
12
6/7
M
44
1
DETAIL "N"
DETAIL G

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