LIS244AL 데이터 시트보기 (PDF) - STMicroelectronics

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LIS244AL

MEMS motion sensor: 2-axis - ±2g ultracompact linear accelerometer

STMicroelectronics 

LIS244AL

Application hints

The tolerance of the internal resistor can vary typically of ±20% within its nominal value of

32kΩ; thus the cut-off frequency will vary accordingly. A minimum capacitance of 2.5nF for

Cload(x, y) is required.

Table 6.

Filter Capacitor Selection, Cload (x,y),

Cut-off frequency

1 Hz

10 Hz

20 Hz

50 Hz

100 Hz

200 Hz

500 Hz

Capacitor value

5 µF

0.5µF

250nF

100nF

50nF

25nF

10nF

4.1

4.2

Soldering information

The LGA package is compliant with the ECOPACK, RoHs and “Green” standard.

Pin1 indicator is electrically connected to pin 1. Leave pin 1 indicator unconnected during

soldering.

Output Response vs. orientation

Figure 4.

Output response vs. orientation

X=1.50V (0g)

Y=1.83V (+1g)

X=1.83V (+1g)

Y=1.50V (0g)

TOP VIEW

X=1.17V (-1g)

Y=1.50V (0g)

Top

X=1.50V (0g)

Y=1.50V (0g)

Bottom

Top

X=1.50V (0g)

Y=1.50V (0g)

Bottom

X=1.50V (0g)

Y=1.17V (-1g)

Earth’s Surface

Figure 4 refers to LIS244AL powered at 3.0V.

11/15

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