bmp280 datasheet

Bosch
Sensortec | BMP280 Data sheet
19 |
48
Modifications reserved | Data subject to change without notice
Document number: BST-BMP280-DS001-23 Revision_1.23_11202
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3.8.2 Measurement rate in normal mode
The following table explains which measurement rates can be expected in normal mode based on
oversampling setting and t
standby
.
Table 14: typical output data Rate (ODR) in normal mode [Hz]
Oversampling
setting
t
standby
[ms]
0.5 62.5 125 250 500 1000 2000 4000
Ultra low power
166.67
14.71
7.66
3.91
1.98
0.99
0.50
0.25
Low power
125.00
14.29
7.55
3.88
1.97
0.99
0.50
0.25
Standard
resolution
83.33 13.51 7.33 3.82 1.96 0.99 0.50 0.25
High resolution
50.00
12.20
6.92
3.71
1.92
0.98
0.50
0.25
Ultra high
resolution
26.32
10.00
6.15
3.48
1.86
0.96
0.49
0.25
Table 15: Sensor timing according to recommended settings (based on use cases)
Use case Mode Over-
sampling
setting
osrs_p osrs_t IIR
filter
coeff.
(see
3.3.3)
Timing ODR
[Hz]
(see
3.8.2)
BW
[Hz]
(see
3.3.3)
handheld device
low-power (e.g.
Android)
Normal
Ultra high
resolution
×16
×2
4
t
standby
=
62.5 ms
10.0
0.92
handheld device
dynamic (e.g.
Android)
Normal
Standard
resolution
×4
×1
16
t
standby
=
0.5 ms
83.3
1.75
Weather
monitoring
(lowest power)
Forced
Ultra low
power
×1
×1
Off
1/min
1/60
full
Elevator / floor
change
detection
Normal Standard
resolution
×4 ×1 4 t
standby
=
125 ms
7.3 0.67
Drop detection
Normal
Low
power
×2
×1
Off
t
standby
=
0.5 ms
125
full
Indoor
navigation
Normal
Ultra high
resolution
×16
×2
16
t
standby
=
0.5 ms
26.3
0.55