LPS25HB Datasheet, PDF (8/40 Pages) STMicroelectronics – MEMS pressure sensor: 260-1260 hPa absolute digital output barometer

Mechanical and electrical specifications
2
Mechanical and electrical specifications
LPS25HB
2.1
Mechanical characteristics
VDD = 1.8 V, T = 25 °C, unless otherwise noted.
Symbol
Table 3. Pressure and temperature sensor characteristics
Parameter
Test condition
Min. Typ.⁽¹⁾ Max. Unit
Pressure sensor characteristics
PT_op
PT_full
Operating temperature range
Full accuracy temperature
range
-30
+105 °C
0
+80 °C
P_op
P_bits
P_sens
Operating pressure range
Pressure output data
Pressure sensitivity
260
1260 hPa
24
bits
4096
LSB/
hPa
P_accrel
Relative accuracy over
pressure⁽²⁾
P = 800 to 1100 hPa
T = 25°C
± 0.1
hPa
P_accT
Absolute accuracy pressure
over temperature⁽³⁾
P = 260 to 1260 hPa
T = 20 ∼ +60 °C
P = 260 to 1260 hPa
T = 0 ∼ +80 °C
± 0.2
±1
hPa
P_noise Pressure noise⁽⁴⁾
without embedded
filtering
with embedded
filtering
0.03
hPa
RMS
0.01
Temperature sensor characteristics
T_op
T_bits
T_sens
Tacc
Operating temperature range
Temperature output data
Temperature sensitivity
Absolute accuracy temperature T= 0 ~ +65 °C
-30
105 °C
16
bits
480
LSB/°C
±2
°C
1. Typical specifications are not guaranteed.
2. Characterization data. Parameter not tested at final test
3. Embedded quadratic compensation.
4. Pressure noise RMS evaluated in a controlled environment based on the average standard deviation of 32
measurements at highest ODR.
8/40
DocID027112 Rev 2