lis2l01 STMicroelectronics, lis2l01 Datasheet

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lis2l01

Manufacturer Part Number
lis2l01
Description
Inertial Sensor 2axis/1g Linear Accelerometer
Manufacturer
STMicroelectronics
Datasheet
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.
BLOCK DIAGRAM
April 2002
This is preliminary information on a new product now in development. Details are subject to change without notice.
THE SENSITIVITY IS ADJUSTED WITH A
TOTAL ACCURACY OF ±2.5%
INTERNAL TWO POLES LOW PASS SC
FILTER WITH LINEAR OUTPUT, 30Hz
BANDWIDTH
THE OUTPUT VOLTAGE, OFFSET,
SENSITIVITY AND TEST VOLTAGE ARE
RATIOMETRIC TO THE SUPPLY VOLTAGE
DEVICE SENSITIVITY IS ON-CHIP FACTORY
TRIMMED
EMBEDDED SELF TEST
HIGH SHOCK SURVIVABILITY
D01IN1315
Sy
Sy
Sx
Sx
TRIMMING CIRCUIT
& POLY FUSES
MUX
2Axis/1g LINEAR ACCELEROMETER
PREAMPLIFIER
CHARGE
REFERENCE
VOLTAGE &
CURRENT
The LIS2L01 is capable of measuring acceleration in
the range of ±1g with a bandwidth of 30Hz, set by a
2
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:
nd
– Virtual reality input devices
– Computer hard disk drive protection
– Computer mouse and joysticks
– Vibration Monitoring, recording and compen-
– Appliance control
– Robotics
order low pass filter. A self-test capability verifies
MUX
sation
ORDERING NUMBER: LIS2L01
FILTER
FILTER
INERTIAL SENSOR:
CDS
CDS
SC
SC
&
&
GENERATOR
CLOCK &
SO-24
PHASE
VARIABLE GAIN
VARIABLE GAIN
AMPLIFIER
AMPLIFIER
PRODUCT PREVIEW
LIS2L01
VOUTx
VOUTy
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lis2l01 Summary of contents

Page 1

... 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 – ...

Page 2

... LIS2L01 PIN DESCRIPTION N° Pin Internally not connected Reserved Leave unconnected or connect to GND 7, 8 Reserved Leave unconnected or connect to Vdd 11 Internally not connected 13 Vdd 5V Supply 14 GND 0V Supply 15 VoutX Voltage Output 16 ST Self Test 17 VoutY Voltage Output 18 Reserved Leave unconnected or connect to GND ...

Page 3

... The nominal value of the capacitors, at steady state, is few pF and when an acceleration is applied the maximum variation of the capacitive load is few tenth of pF. Test Condition T = 25° C Vdd/2 ratiometric to Vdd – 0.1 Vdd = 25° -3dB/2 order filter Bandwidth = 0.1…30Hz T = 25° LIS2L01 Min. Typ. Max. Unit 4. Vdd/2 Vdd 0.1 ...

Page 4

... LIS2L01 Figure 1. Equivalent electrical circuit 1.2 IC Interface The complete signal processing uses a fully differential structure, while the final stage converts the differential signal into a single-ended to be compatible with the external world. The first stage is a low-noise capacitive amplifier that implements a Correlated Double Sampling (CDS) at the output to cancel the offset and the 1/f noise ...

Page 5

... H 10.0 10.65 0.394 h 0.25 0.75 0.010 k 0˚ (min.), 8˚ (max.) L 0.40 1.27 0.016 B 0.10mm .004 Seating Plane inch OUTLINE AND MECHANICAL DATA TYP. MAX. 0.104 0.012 0.100 0.0200 0.013 0.614 0.299 0,050 0.419 0.030 0.050 LIS2L01 SO24 h x 45˚ SO24 5/6 ...

Page 6

... LIS2L01 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. 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 ...

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