參數(shù)資料
型號(hào): LIS244AL
廠(chǎng)商: 意法半導(dǎo)體
英文描述: MEMS motion sensor:2-axis - 【2g ultracompact linear accelerometer
中文描述: MEMS運(yùn)動(dòng)傳感器:2 -軸- 【第二代超小型線(xiàn)性加速度計(jì)
文件頁(yè)數(shù): 5/15頁(yè)
文件大?。?/td> 149K
代理商: LIS244AL
LIS244AL
Mechanical and electrical specifications
5/15
2
Mechanical and electrical specifications
2.1
Mechanical characteristics
(Temperature range -40°C to +85°C). All the parameters are specified @ Vdd =3.0V,
T = 25°C unless otherwise noted
Table 3.
Mechanical characteristics
(1)
Symbol
Parameter
Test condition
Min.
Typ.
(2)
Max.
Unit
Ar
Acceleration range
(3)
±
2
g
So
Sensitivity
(5)
0.140*Vdd -
10%
0.140*Vdd
0.140*Vdd+
10%
V/g
SoDr
Sensitivity change vs
temperature
Delta from +25°C
0.01
%/°C
Voff
Zero-g level
(4)
T = 25°C
Vdd/2-15%
Vdd/2
Vdd/2+15%
V
OffDr
Zero-g level change vs
temperature
Delta from +25°C
1
mg/°C
NL
Non linearity
(5)
Best fit straight line
±
0.5
% FS
CrossAx Cross-axis
(6)
±
2
%
An
Acceleration noise
density
Vdd=3.0V
220
μ
g/
Vt
Self test output voltage
change
(7),
T = 25°C
Vdd=3.0V
X axis
105
mV
T = 25°C
Vdd=3.0V
Y axis
105
mV
Fres
Sensing element
resonant frequency
(8)
X,Yaxis
4.0
kHz
Top
Operating temperature
range
-40
+85
°C
Wh
Product weight
0.040
gram
1.
The product is factory calibrated at 3.0V. The operational power supply range is from 2.4V to 3.6V. Voff, So and Vt
parameters will vary with supply voltage
2.
Typical specifications are not guaranteed
3.
Guaranteed by wafer level test and measurement of initial offset and sensitivity
Zero-g level and sensitivity are essentially ratiometric to supply voltage at the calibration level
±
8%
Guaranteed by design
4.
5.
6.
Contribution to the measuring output of an inclination/acceleration along any perpendicular axis
7.
“Self test output voltage change” is defined as Vout
(Vst=Logic1)
-Vout
(Vst=Logic0)
Minimum resonance frequency Fres=4.0kHz. Sensor bandwidth=1/(2*
π
*32k
*Cload)
8.
Hz
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