LIS331AL

Mechanical and electrical specifications

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2

Mechanical and electrical specifications

2.1

Mechanical characteristics.

Table 3.

1.

The product is factory calibrated at 3.3V. The operational power supply range is from 3.0V to 3.6V. Voff, So and Vt

parameters will vary with supply voltage.

2.

Temperature range -40°C to +85°C. All the parameters are specified @ Vdd =3.3V, T = 25°C unless otherwise noted

Symbol

Parameter

Test condition

Min.

3.

Typical specifications are not guaranteed

Max.

Unit

Ar

4.

Guaranteed by wafer level test and measurement of initial offset and sensitivity

±2.0

g

So

0.145*Vdd -

5%

0.145*Vdd

0.145Vdd+

5%

V/g

SoDr

Sensitivity change vs

temperature

Delta from +25°C

±0.01

%/°C

Voff

5.

Zero-g level and sensitivity are essentially ratiometric to supply voltage at the calibration level

Vdd/2-6%

Vdd/2

Vdd/2+6%

V

OffDr

Zero-g level change Vs

Temperature

Delta from +25°C

0.5

mg/°C

NL

6.

Guaranteed by design

Best fit straight line

±0.5

% FS

7.

Contribution to the measuring output of an inclination/acceleration along any perpendicular axis

±2%

An

Acceleration noise

density

300

µg/

Vt

Self test output voltage

8.

X axis

+150

mV

Y axis

+150

mV

Z axis

+150

mV

Fres

Sensing element

9.

Minimum resonance frequency Fres=2.0kHz. Sensor bandwidth=1/(2*

π*32kΩ*Cload)

X,Y,Z axis

2.0

kHz

Top

Operating temperature

range

-40

+85

°C

Wh

Product weight

0.030

gram

Hz