LIS244AL datasheet(11/15 Pages) STMICROELECTRONICS

Il numero della parte	LIS244AL

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

PDF	15 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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11 / 15 page

LIS244AL

Application hints

11/15

The tolerance of the internal resistor can vary typically of

±20% within its nominal value of

32k

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

Cload(x, y) is required.

4.1

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.

4.2

Output Response vs. orientation

Figure 4.

Output response vs. orientation

Figure 4 refers to LIS244AL powered at 3.0V.

Table 6.

Filter Capacitor Selection, Cload (x,y),

Cut-off frequency

Capacitor value

1 Hz

µF

10 Hz

0.5

µF

20 Hz

250nF

50 Hz

100nF

100 Hz

50nF

200 Hz

25nF

500 Hz

10nF

Earth’s Surface

X=1.50V (0g)

Y=1.50V (0g)

TOP VIEW

X=1.50V (0g)

Y=1.83V (+1g)

X=1.50V (0g)

Y=1.17V (-1g)

X=1.17V (-1g)

Y=1.50V (0g)

X=1.83V (+1g)

Y=1.50V (0g)

Top

Bottom

X=1.50V (0g)

Y=1.50V (0g)

Top

Bottom

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