STEVAL-MKI021V1 STMicroelectronics, STEVAL-MKI021V1 Datasheet - Page 13

• Manufacturer Part Number: STEVAL-MKI021V1
• Description: BOARD EVALUATION LIS331AL
• Manufacturer: STMicroelectronics
• Series: MEMSr

Specifications of STEVAL-MKI021V1

• Sensor Type: Accelerometer, 3 Axis
• Sensing Range: ±2g
• Interface: Analog
• Sensitivity: 0.145 x Vdd = V/g
• Voltage - Supply: 3 V ~ 3.6 V
• Embedded: No
• Utilized Ic / Part: LIS331AL
• Acceleration: 2 g
• Sensing Axis: Triple Axis
• Output Type: Analog
• Operating Voltage: 18 V
• Operating Current: 6 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8205

LIS331AL
4.1
4.2
Table 6.
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.
Figure 4
X=2.13V (+1g)
Y=1.65V (0g)
Z=1.65V (0g)
refers to LIS331AL powered at 3.3V.
Filter capacitor selection, C
Output Response vs. Orientation
Cut-off frequency
100 Hz
200 Hz
500 Hz
X=1.65V (0g)
Y=2.13V (+1g)
Z=1.65V (0g)
X=1.65V (0g)
Y=1.17V (-1g)
Z=1.65V (0g)
TOP VIEW
load
(x,y,z)
X=1.17V (-1g)
Y=1.65V (0g)
Z=1.65V (0g)
Capacitor value
Earth’s Surface
50nF
25nF
10nF
Bottom
Top
Top
Bottom
Application hints
X=1.65V (0g)
Y=1.65V (0g)
Z=2.13V (+1g)
X=1.65V (0g)
Y=1.65V (0g)
Z=1.17V (-1g)
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