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LPS331APTR Datasheet(PDF) 19 Page - STMicroelectronics

Part # LPS331APTR
Description  MEMS pressure sensor: 260-1260 mbar absolute digital output barometer
PDF  36 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LPS331APTR Datasheet(HTML) 19 Page - STMicroelectronics

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LPS331AP
Register description
Doc ID 022112 Rev 7
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Table 17.
Pressure resolution
1001
384
1010
512(1)
1.
Register configuration 7Ah not allowed with ODR = 25Hz/25Hz (Register CTRL_REG1). For ORD
25Hz/25Hz the suggested configuration for RES_CONF is 6Ah.
Table 16.
Temperature resolution configuration
AVGT2
AVGT1
AVGT1
Nr. internal average
00
0
1
00
1
2
01
0
4
01
1
8
10
0
16
10
1
32
11
0
64
1
1
1
128(1)
1.
Register configuration 7Ah not allowed with ODR = 25Hz/25Hz (Register CTRL_REG1). For ORD
25Hz/25Hz the suggested configuration for RES_CONF is 6Ah.
RES_CONF (hex)
RMS noise(1)
1.
Rms noise is calculated as standard deviation of 10 data points.
Unit
70
0.450
mbar
71
0.320
72
0.230
73
0.160
74
0.110
75
0.080
76
0.060
77
0.040
78
0.030
79
0.025
7A(2)
2.
This configuration is not allowed for ODR = 25Hz/25HZ (register CTRL_REG1). For ORD = 25 Hz/ 25 Hz
the suggested configuration for RES_CONF is 6Ah.
0.020
Table 15.
Pressure resolution configuration
AVGP3
AVGP2
AVGP1
AVGP0
Nr. internal average



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