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Bosch Sensortec | BMP280 Data sheet

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Document number: BST-BMP280-DS001-26 Revision_1.26_102021

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 tstandby.

Table 14: typical output data Rate (ODR) in normal mode [Hz]

Oversampling

setting

tstandby [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)

[Hz]

(see

3.3.3)

handheld device

low-power (e.g.

Android)

Normal

Ultra high

resolution

×16

×2

tstandby =

62.5 ms

10.0

0.92

handheld device

dynamic (e.g.

Android)

Normal

Standard

resolution

×4

×1

tstandby =

0.5 ms

83.3

1.75

Weather

monitoring

(lowest power)

Forced

Ultra low

power

×1

Off

1/min

1/60

full

Elevator / floor

change

detection

Normal

Standard

resolution

×4

×1

tstandby =

125 ms

7.3

0.67

Drop detection

Normal

Low

power

×2

×1

Off

tstandby =

0.5 ms

125

full

Indoor

navigation

Normal

Ultra high

resolution

×16

×2

tstandby =

0.5 ms

26.3

0.55

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