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ST Microelectronics - INERTIAL SENSOR

Numéro de référence LIS2L01
Description INERTIAL SENSOR
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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LIS2L01 fiche technique
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LIS2L01
INERTIAL SENSOR:
2Axis/1g LINEAR ACCELEROMETER
PRODUCT PREVIEW
s THE SENSITIVITY IS ADJUSTED WITH A
TOTAL ACCURACY OF ±2.5%
s INTERNAL TWO POLES LOW PASS SC
FILTER WITH LINEAR OUTPUT, 30Hz
BANDWIDTH
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 LIS2L01 is a dual channel accelerometer that in-
cludes a sensor elements and an IC interface able to
take the information from the sensor and to provide
an analog signal to the external world.
The sensor element, capable to detect the accelera-
tion, is manufactured using a dedicated process
called ThELMA (Thick Epi-Poly layer for Microactua-
tors and Accelerometers) developed by ST to pro-
duce inertial sensor and actuator in silicon.
The IC interface instead is manufactured using a
CMOS process that allow high level of integration to
design a dedicated circuit which is trimmed to better
match the sensor element characteristics.
SO-24
ORDERING NUMBER: LIS2L01
The LIS2L01 is capable of measuring acceleration in
the range of ±1g with a bandwidth of 30Hz, set by a
2nd order low pass filter. A self-test capability verifies
the system providing to the user a signal on a dedi-
cated pin.
The LIS2L01 is available in plastic SMD package and
it is specified over a temperature range from 0°C to
+80°C.
The LIS2L01 is a part of family products suitable for
a variety of applications:
– Virtual reality input devices
– Computer hard disk drive protection
– Computer mouse and joysticks
– Vibration Monitoring, recording and compen-
sation
– Appliance control
– Robotics
BLOCK DIAGRAM
Sy
Sx
Sx
Sy
MUX
CHARGE
PREAMPLIFIER
MUX
SC
FILTER
&
CDS
SC
FILTER
&
CDS
VARIABLE GAIN
AMPLIFIER
VOUTx
VARIABLE GAIN
AMPLIFIER
VOUTy
D01IN1315
TRIMMING CIRCUIT
& POLY FUSES
VOLTAGE &
CURRENT
REFERENCE
CLOCK &
PHASE
GENERATOR
April 2002
This is preliminary information on a new product now in development. Details are subject to change without notice.
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