LSM303DLHTR Datasheet, PDF (12/47 Pages) STMicroelectronics – Sensor module: 3-axis accelerometer and 3-axis magnetometer

Module specifications
LSM303DLH
Table 3. Mechanical characteristics (continued)
Symbol
Parameter
Test conditions
Min. Typ.⁽¹⁾ Max.
Unit
LA_TCSo
Linear acceleration sensitivity
change vs. temperature
FS bit set to 00
±0.01
%/°C
Linear acceleration typical
LA_TyOff zero-g level offset
accuracy^(3),(4)
FS bit set to 00
±20
mg
LA_TCOff
Linear acceleration zero-g level
change vs temperature
Max delta from 25 °C
LA_An Acceleration noise density
FS bit set to 00
±0.1
mg/°C
218
µg/√ Hz
FS bit set to 00
300
X axis
t(s) ^LA_Vst
Linear acceleration self-test
output change^(5),(6),(7)
FS bit set to 00
Y axis
-300
uc _{FS bit set to 00}
d ³⁵⁰
Z axis
ro _{Cross field = 0.5 gauss}
P _{M_CAS Magnetic cross-axis sensitivity}
±1
Happlied = ±3 gauss
lete ^{M_EF Maximum exposed field}
No permitting effect on
zero reading
so Positive bias mode, GN
b _{bits set to 100 on X, Y axis}
270
M_ST Magnetic self test
O _{Positive bias mode, GN}
- _{bits set to 100 on Z axis}
255
t(s) ^{M_R Magnetic resolution}
Vdd = 3 V
8
duc ^{M_DF Disturbing field}
Sensitivity starts to
degrade. User S/R pulse to
restore sensitivity
ro _{Top Operating temperature range}
-30
P _{1. Typical specifications are not guaranteed}
te _{2. Verified by wafer level test and measurement of initial offset and sensitivity}
le _{3. Typical zero-g level offset value after MSL3 preconditioning}
o _{4. Offset can be eliminated by enabling the built-in high-pass filter}
bs _{5. The sign of “Self-test output change” is defined by the CTRL_REG4 STsign bit (Table 29), for all axes.}
O_{6. Self-test output changes with the power supply. “Self-test output change” is defined as}
10000
20
+85
LSb
LSb
LSb
%FS/
gauss
gauss
LSB
LSB
mgauss
gauss
°C
OUTPUT[LSb]_{(CTRL_REG4 ST bit=1)} - OUTPUT[LSb]_{(CTRL_REG4 ST bit=0)}. 1LSb=4g/4096 at 12bit representation, ±2 g full-scale
7. Output data reach 99% of final value after 1/ODR+1ms when enabling self-test mode, due to device filtering
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