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PDF LIS3L02AQ5 Data sheet ( Hoja de datos )
| Número de pieza | LIS3L02AQ5 | |
| Descripción | MEMS INERTIAL SENSOR | |
| Fabricantes | STMicroelectronics | |
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LIS3L02AQ5
MEMS INERTIAL SENSOR:
3-axis - ±2g/±6g LINEAR ACCELEROMETER
PRELIMINARY DATA
Features
■ 4.5V TO 5.5V SINGLE SUPPLY OPERATION
■ LOW POWER CONSUMPTION
■ ±2g/±6g USER SELECTABLE FULL-SCALE
■ 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
www.DataSheet4U.com
Description
The LIS3L02AQ5 is a low-power 3-axis linear
capacitive 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
acceleration, is manufactured using a dedicated
process developed by ST to produce inertial
sensors and actuators in silicon.
The IC interface is manufactured using a standard
CMOS process that allows high level of integration
QFN-44
to design a dedicated circuit which is trimmed to
better match the sensing element characteristics.
The LIS3L02AQ5 has a user selectable full scale
of ±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 capacitances. A self-test capability
allows to check the mechanical and electrical
signal path of the sensor.
The LIS3L02AQ5 is available in plastic SMD
package and it is specified over an extended
temperature range of -40°C to +85°C.
The LIS3L02AQ5 belongs to a family of products
suitable for a variety of applications:
– Mobile terminals
– Gaming and Virtual Reality input devices
– Free-fall detection for data protection
– Antitheft systems and Inertial Navigation
– Appliance and Robotics.
Order codes
Part number
LIS3L02AQ5
LIS3L02AQ5TR
Temp range, °C
-40°C to +85°C
-40°C to +85°C
Package
QFN-44
QFN-44
Packing
Tray
Tape & Reel
July 2005
CD00059677
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
Rev 1
1/15
www.st.com
15
1 page  
LIS3L02AQ5
2 Mechanical and Electrical Specifications
2 Mechanical and Electrical Specifications
2.1 Mechanical Characteristics.
Table 2.
Mechanical Characteristics1
(Temperature range -40°C to +85°C) All the parameters are specified @ Vdd =5.0V,
T = 25°C unless otherwise noted
Symbol
Parameter
Test Condition
Min.
Typ.2
Max.
Unit
FS pin connected to
GND
±1.8
±2.0
Ar Acceleration Range3
FS pin connected to
Vdd
±5.4
±6.0
g
g
So Sensitivity4
Full-scale = 2g
Full-scale = 6g
Vdd/5–10%
Vdd/15–10%
Vdd/5
Vdd/15
Vdd/5+10%
Vdd/15+10%
V/g
V/g
SoDr
Sensitivity Change Vs
Temperature
Delta from +25°C
±0.01
%/°C
Voff Zero-g Level4
T = 25°C
Vdd/2-6%
Vdd/2
Vdd/2+6%
V
OffDr
NL
Zero-g Level Change Vs
Temperature
Delta from +25°C
Non Linearity5
Best fit straight line
Full-scale = 2g
X, Y axis
Best fit straight line
Full-scale = 2g
Z axis
±0.8 mg/°C
±0.3 ±1.5 % FS
±0.6 ±2 % FS
CrossAx Cross-Axis6
±2 ±4 %
An
Acceleration Noise
Density
Vdd=5.0V;
Full-scale = 2g
50 ---µ----g----
Hz
T = 25°C
Vdd=5.0V
Full-scale = 2g
X axis
T = 25°C
Self Test Output Voltage Vdd=5.0V
Vt Change7,8,9
Full-scale = 2g
Y axis
-70
-140
-320
mV
70 140 320 mV
T = 25°C
Vdd=5.0V
Full-scale = 2g
Z axis
70 140 320 mV
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5 Page 
LIS3L02AQ5
4 Application hints
Figure 3. LIS3L02AQ5 Electrical Connection
Vdd
44
34 Vdd
10µF 100nF
GND GND
1
GND
ST
LIS3L02AQ5
(top view)
11
33
GND
GND
23res
12 22
4 Application hints
Z
1
Y
X
Cload z
Cload x
Cload y
Optional
Vout Z
Optional
Vout X
Optional
Vout Y
DIRECTION OF THE
DETECTABLE
ACCELERATIONS
Digital signals
Power supply decoupling capacitors (100nF ceramic or polyester + 10µF Aluminum) should be
placed as near as possible to the device (common design practice).
The LIS3L02AQ5 allows to band limit Voutx, Vouty and Voutz through the use of external
capacitors. The re-commended frequency range spans from DC up to 1.5 KHz. In particular,
capacitors must be added at output pins to implement low-pass filtering for antialiasing and
noise reduction. The equation for the cut-off frequency (ft) of the external filters is:
ft
=
-------------------------------1--------------------------------
2π ⋅ Rout ⋅ Cload(x, y, z)
Taking into account that the internal filtering resistor (Rout) has a nominal value equal to
110kOhm, the equation for the external filter cut-off frequency may be simplified as follows:
ft
=
---------1---.--4---5----µ---F-----------
Cload(x, y, z)
The tolerance of the internal resistor can vary typically of ±20% within its nominal value of
110kΩ; thus the cut-off frequency will vary accordingly. A minimum capacitance of 320 pF for
Cf(x, y, z) is required in any case.
CD00059677
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11 Page | ||
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| PDF Descargar | [ Datasheet LIS3L02AQ5.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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| LIS3L02AQ3TR | MEMS INERTIAL SENSOR | STMicroelectronics |
| LIS3L02AQ5 | MEMS INERTIAL SENSOR | STMicroelectronics |
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