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參數(shù)資料
| 型號(hào)： | LIS3L02AS5TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | MEMS INERTIAL SENSOR: 3-axis - 【2g/6g LINEAR ACCELEROMETER |
| 中文描述： | MEMS慣性傳感器：3軸- 【2g/6g線性加速度計(jì) |
| 文件頁(yè)數(shù)： | 7/14頁(yè) |
| 文件大?。?/td> | 137K |
| 代理商： | LIS3L02AS5TR |
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LIS3L02AS5
2 Mechanical and Electrical Specifications
7/14
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
conditions is not implied. Exposure to maximum rating conditions for extended periods may
affect device reliability.
Table 4.
Absolute maximum ratings
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 an horizontal surface will measure 0g in X axis and 0g in Y axis whereas the Z
axis will measure +1g. The output is ideally for a 5.0V powered sensor Vdd/2 = 2500mV. A
deviation from ideal 0-g level (2500mV 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.
Symbol
Ratings
Maximum Value
Unit
Vdd
Supply voltage
-0.3 to 7
V
Vin
Input Voltage on Any Control pin (FS, PD, ST)
-0.3 to Vdd +0.3
V
A
POW
Acceleration (Any axis, Powered, Vdd=5.0V)
3000g for 0.5 ms
10000g for 0.1 ms
A
UNP
Acceleration (Any axis, Not powered)
3000g for 0.5 ms
10000g for 0.1 ms
T
STG
Storage Temperature Range
-40 to +125
°C
ESD
Electrostatic Discharge Protection
2 (HBM)
kV
200 (MM)
V
1500 (CDM)
V
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
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