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LIS331DLFTR 데이터시트(PDF) 9 Page - STMicroelectronics

부품명 LIS331DLFTR
상세설명  MEMS digital output motion sensor ultra low-power high performance 3-axes ?쐍ano??accelerometer
PDF  38 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
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LIS331DLFTR 데이터시트(HTML) 9 Page - STMicroelectronics

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LIS331DLF
Mechanical and electrical specifications
Doc ID 15101 Rev 4
9/38
2
Mechanical and electrical specifications
2.1
Mechanical characteristics
Table 3.
Mechanical characteristics @ Vdd = 2.5 V, T = 25 °C unless otherwise noted (1)
Symbol
Parameter
Test conditions
Min.
Typ.(2)
Max.
Unit
FS
Measurement range(3)
FS bit set to 00
±2.0
g
FS bit set to 01
±4.0
FS bit set to 11
±8.0
So
Sensitivity
FS bit set to 00
6 bit representation
16
LSB/g
FS bit set to 01
6 bit representation
8
FS bit set to 11
6 bit representation
4
Dres
Device resolution
FS bit set to 00
ODR = 50 Hz
62.5
mg
TCSo
Sensitivity change vs
temperature
FS bit set to 00
±0.01
%/°C
TyOff
Typical zero-
g level offset
accuracy(4),(5)
FS bit set to 00
±60
mg
TCOff
Zero-
g level change vs
temperature
Max delta from 25°C
±0.5
mg/°C
Vst
Self-test
output change(6),(7),(8)
FS bit set to 00
X axis
15
8
LSb
FS bit set to 00
Y axis
-1
-5
-8
LSb
FS bit set to 00
Z axis
15
8
LSb
Top
Operating temperature range
-40
+85
°C
Wh
Product weight
20
mgram
1.
The product is factory calibrated at 2.5 V. The operational power supply range is from 2.16 V to 3.6 V.
2.
Typical specifications are not guaranteed
3.
Verified by wafer level test and measurement of initial offset and sensitivity
4.
Typical zero-g level offset value after MSL3 preconditioning
5.
Offset can be eliminated by enabling the built-in high pass filter
6.
The sign of “Self-test output change” is defined by CTRL_REG4 STsign bit (
Table 28), for all axes.
7.
Self-test output changes with the power supply. “Self-test output change” is defined as
OUTPUT[LSb](CTRL_REG4 ST bit=1) - OUTPUT[LSb](CTRL_REG4 ST bit=0). 1LSb=4g/64 at 6 bit representation, ±2 g full-scale
8.
Output data reach 99% of final value after 1/ODR+1 ms when enabling Self-test mode, due to device filtering



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