LIS302DL datasheet(14/42 Pages) STMICROELECTRONICS

14 / 42 page

Mechanical and electrical specifications

LIS302DL

14/42

2.4

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.

Note:

Supply voltage on any pin should never exceed 6.0V

2.5

Terminology

2.5.1

Sensitivity

Sensitivity describes the gain of the sensor and can be determined e.g. 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, noting the output value, rotating

the sensor by 180 degrees (point to the sky) and noting the output value again. By doing so,

±1g acceleration is applied to the sensor. Subtracting the larger output value from the

smaller one and dividing the result by 2 leads to the actual sensitivity of the sensor. This

value changes very little over temperature and also very little over time. The Sensitivity

Tolerance describes the range of Sensitivities of a large population of sensor.

Table 7.

Absolute maximum ratings

Symbol

Ratings

Maximum value

Unit

Vdd

Supply voltage

-0.3 to 6

Vdd_IO

I/O pins supply voltage

-0.3 to 6

Vin

Input voltage on any control pin

(CS, SCL/SPC, SDA/SDI/SDO)

-0.3 to Vdd_IO +0.3

APOW

Acceleration (any axis, powered, Vdd=2.5V)

3000g for 0.5 ms

10000g for 0.1 ms

AUNP

Acceleration (any axis, unpowered)

3000g for 0.5 ms

10000g for 0.1 ms

TOP

Operating temperature range

-40 to +85

°C

TSTG

Storage temperature range

-40 to +125

°C

ESD

Electrostatic discharge protection

4 (HBM)

1.5 (CDM)

200 (MM)

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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