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PDF ( 数据手册 , 数据表 ) LIS3L02AQ3TR

零件编号 LIS3L02AQ3TR
描述 MEMS INERTIAL SENSOR
制造商 STMicroelectronics
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LIS3L02AQ3TR 数据手册, 描述, 功能
LIS3L02AQ3
MEMS INERTIAL SENSOR:
3-Axis - ±2g/±6g LINEAR ACCELEROMETER
1 Features
2.4V TO 3.6V SINGLE SUPPLY OPERATION
LOW POWER CONSUMPTION
±2g/±6g USER SELECTABLE FULL-SCALE
BETTER THAN 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
Figure 1. Package
QFN-44
Table 1. Order Codes
Part Number
Package
LIS3L02AQ3
QFN-44
LIS3L02AQ3TR
QFN-44
Finishing
TRAY
TAPE & REEL
2 Description
The LIS3L02AQ3 is a low-power 3-Axis linear capac-
itive 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 accel-
eration, is manufactured using a dedicated process
developed by ST to produce inertial sensors and ac-
tuators in silicon.
The IC interface is manufactured using a standard
CMOS process that allows high level of integration to
design a dedicated circuit which is trimmed to better
match the sensing element characteristics.
The LIS3L02AQ3 has a user selectable full scale of
Figure 2. Block Diagram
±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 capac-
itances. A self-test capability allows to check the me-
chanical and electrical signal path of the sensor.
The LIS3L02AQ3 is available in plastic SMD pack-
age and it is specified over an extended temperature
range of -40°C to +85°C.
The LIS3L02AQ3 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
X+ Routx Voutx
CHARGE
S/H
Y+ AMPLIFIER
Z+
a MUX
Z-
Y-
X-
DEMUX
Routy Vouty
S/H
Routz Voutz
S/H
SELF TEST
REFERENCE
May 2005
TRIMMING CIRCUIT
CLOCK
Rev. 2
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LIS3L02AQ3TR pdf, 数据表
LIS3L02AQ3
6 Typical performance characteristics
6.1 Mechanical Characteristics at 25°C
Figure 5. x-axis 0-g level at 3.3V
15
Figure 8. x-axis sensitivity at 3.3V
25
20
10
15
10
5
5
0
1.55 1.6 1.65 1.7
0g LEVEL (V)
Figure 6. y-axis 0-g level at 3.3V
15
10
5
0
1.55
1.6 1.65
0g LEVEL (V)
1.7
Figure 7. z-axis 0-g level at 3.3V
20
18
16
14
12
10
8
6
4
2
0
1.55
1.6 1.65
0g LEVEL (V)
1.7
1.75
0
0.62 0.63 0.64 0.65 0.66 0.67 0.68 0.69 0.7
sensitivity (V/g)
Figure 9. y-axis sensitivity at 3.3V
20
18
16
14
12
10
8
6
4
2
0
1.75 0.62 0.63 0.64 0.65 0.66 0.67 0.68 0.69 0.7
sensitivity (V/g)
Figure 10. z-axis sensitivity at 3.3V
20
18
16
14
12
10
8
6
4
2
0
1.75 0.62 0.63 0.64 0.65 0.66 0.67 0.68 0.69 0.7
sensitivity (V/g)
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