LIS3L02AQ3TR 查看數據表（PDF） - STMicroelectronics

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LIS3L02AQ3TR

MEMS INERTIAL SENSOR: 3-Axis - ±2g/±6g LINEAR ACCELEROMETER

STMicroelectronics 

LIS3L02AQ3

(ft) of the external filters is:

ft

=

------------------------------1--------------------------------

2π ⋅ Rout ⋅ Cload(x, y, z)

Taking in account that the internal filtering resistor (Rout) has a nominal value equal to 110kΩ, the equation for

the external filter cut-off frequency may be simplified as follows:

ft = C-----l-o--1--a--.-d4---(-5-x--µ-,---Fy---,---z----)

The tolerance of the internal resistor can vary typically of ±20% within its nominal value of 110kΩ; thus the cut-

off frequency will vary accordingly. A minimum capacitance of 320 pF for Cf(x,y,z) is required in any case.

Table 6. Filter Capacitor Selection, Cf (x,y,z). Commercial capacitance value choose.

Cut-off frequency

(Hz)

Capacitor value

(nF)

1

1500

10

150

50

30

100

15

200

6.8

500

3

5.1 Soldering information

The QFN44 package is lead free and green package qualified for soldering heat resistance according to JEDEC

J-STD-020D. Land pattern and soldering recommendations are available upon request.

7/13

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