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LIS3L02AS Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer LIS3L02AS
Beschreibung INERTIAL SENSOR: 3Axis - 2g/6g LINEAR ACCELEROMETER
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 7 Seiten
LIS3L02AS Datasheet, Funktion
LIS3L02AS
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 LIS3L02AS is a tri-axis linear accelerometer
that includes a sensing element and an IC inter-
face able to take the information from the sensing
element and to provide an analog signal to the ex-
ternal 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 LIS3L02AS has a user selectable full scale of
SO-24
ORDERING NUMBER: LIS3L02AS
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 LIS3L02AS is available in plastic SMD pack-
age and it is specified over a temperature range
extending from -40°C to +85°C.
The LIS3L02AS 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






LIS3L02AS Datasheet, Funktion
LIS3L02AS
DIM.
MIN.
mm
TYP. MAX. MIN.
inch
TYP. MAX.
A 2.35
2.65 0.093
0.104
A1 0.10
0.30 0.004
0.012
A2
2.55
0.100
B 0.33
0.51 0.013
0.0200
C 0.23
0.32 0.009
0.013
D 15.20
15.60 0.598
0.614
E 7.40
7.60 0.291
0.299
e 1.27
0,050
H 10.0
10.65 0.394
0.419
h 0.25
0.75 0.010
0.030
k 0˚ (min.), 8˚ (max.)
L 0.40
1.27 0.016
0.050
OUTLINE AND
MECHANICAL DATA
SO24
h x 45˚
0.10mm
.004
Seating Plane
B
D
24
1
6/7
e A1
K
L A1
H
C
13
12
SO24

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