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LIS2L02AQ3 데이터시트 PDF




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부품번호 LIS2L02AQ3 기능
기능 MEMS INERTIAL SENSOR
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LIS2L02AQ3 데이터시트, 핀배열, 회로
www.datasheet4u.com
LIS2L02AQ3
MEMS INERTIAL SENSOR:
2-axis - ±2g/±6g LINEAR ACCELEROMETER
Features
2.4V TO 5.25V SINGLE SUPPLY
OPERATION
LOW POWER CONSUMPTION
±2g/±6g USER SELECTABLE FULL-SCALE
0.3mg 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
Description
The LIS2L02AQ3 is a low-power 2-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
Order codes
Part number
LIS2L02AQ3
LIS2L02AQ3TR
Temp range, °C
-40°C to +85°C
-40°C to +85°C
QFN-44
to design a dedicated circuit which is trimmed to
better match the sensing element characteristics.
The LIS2L02AQ3 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 LIS2L02AQ3 is available in plastic SMD
package and it is specified over an extended
temperature range of -40°C to +85°C.
The LIS2L02AQ3 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.
Package
QFN-44
QFN-44
Packing
Tray
Tape & Reel
July 2005
CD00059664
Rev 1
1/17
www.st.com
17




LIS2L02AQ3 pdf, 반도체, 판매, 대치품
1 Block Diagram & Pin Description
LIS2L02AQ3
Table 1. Pin description
Pin #
Pin Name
Function
www.datasheet4u.com
1 to 3
4
5
6
7
8
9-13
14
15
16
17-18
19
20
21
22-23
24-25
26
27
28
29-44
NC
GND
Vdd
Vouty
ST
Voutx
NC
PD
NC
FS
Reserved
Reserved
Reserved
NC
Reserved
NC
Reserved
Reserved
Reserved
NC
Internally not connected
0V supply
Power supply
Output Voltage, y-channel
Self Test (Logic 0: normal mode; Logic 1: Self-test)
Output Voltage, x-channel
Internally not connected
Power Down (Logic 0: normal mode; Logic 1: Power-Down mode)
Internally not connected
Full Scale selection (Logic 0: ±2g Full-scale; Logic 1: ±6g Full-scale)
Leave unconnected
Leave unconnected
Leave unconnected
Internally not connected
Leave unconnected
Internally not connected
Connect to Vdd or GND
Leave unconnected or connect to Vdd
Leave unconnected or connect to GND
Internally not connected
4/17 CD00059664

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LIS2L02AQ3 전자부품, 판매, 대치품
LIS2L02AQ3
2 Mechanical and Electrical Specifications
2.3 Absolute maximum ratings
Stresses above those listed as “absolute maximum ratings” may cause permanent damage to
the device. This is a stress rating only and functional operation of the device under these
www.datasheet4u.comconditions is not implied. Exposure to maximum rating conditions for extended periods may
affect device reliability.
Table 4. Absolute maximum ratings
Symbol
Ratings
Vdd Supply voltage
Vin Input Voltage on Any Control pin (FS, PD, ST)
APOW Acceleration (Any axis, Powered, Vdd=3.3V)
AUNP Acceleration (Any axis, Not powered)
TSTG Storage Temperature Range
ESD Electrostatic Discharge Protection
Maximum Value
-0.3 to 7
-0.3 to Vdd +0.3
3000g for 0.5 ms
10000g for 0.1 ms
3000g for 0.5 ms
10000g for 0.1 ms
-40 to +125
2KV HBM
200V MM
1500V CDM
Unit
V
V
°C
This is a Mechanical Shock sensitive device, improper handling can cause
permanent damages to the part
This is an ESD sensitive device, improper handling can cause permanent damages
to the part
2.4 Terminology
Sensitivity describes the gain of the sensor and can be determined by applying 1g
acceleration to it. As the sensor can measure DC accelerations this can be done easily by
pointing the axis of interest towards the center of the earth, note the output value, rotate the
sensor by 180 degrees (point to the sky) and note the output value again thus applying ±1g
acceleration to the sensor. Subtracting the larger output value from the smaller one and dividing
the result by 2 will give the actual sensitivity of the sensor. This value changes very little over
temperature (see sensitivity change vs. temperature) and also very little over time. The
Sensitivity Tolerance describes the range of Sensitivities of a large population of sensors.
Zero-g level describes the actual output signal if there is no acceleration present. A sensor in a
steady state on a horizontal surface will measure 0g in X axis and 0g in Y axis. The output is
ideally for a 3.3V powered sensor Vdd/2 = 1650mV. A deviation from ideal 0-g level (1650mV in
this case) is called Zero-g offset. Offset of precise MEMS sensors is to some extend a result of
stress to the sensor and therefore the offset can slightly change after mounting the sensor onto
a printed circuit board or exposing it to extensive mechanical stress. Offset changes little over
temperature - see "Zero-g level change vs. temperature" - the Zero-g level of an individual
sensor is very stable over lifetime. The Zero-g level tolerance describes the range of zero-g
levels of a population of sensors.
CD00059664
7/17

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