CHIP_ID datasheet(5/24 Pages) OMRON

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[2SMPB-02E] Datasheet Rev.05(Jun.,2017)

1.8 Bandwidth by IIR Filter Selection

Oversampling setting

Typical Bandwidth [Hz]

IIR filter coefficient

off

High speed

153.0

35.3

14.7

6.8

3.3

1.6

Low power

121.0

28.0

11.6

5.4

2.6

1.3

Standard

86.0

19.9

8.3

3.8

1.8

0.9

High accuracy

51.0

11.8

4.9

2.3

1.1

0.5

Ultra High accuracy

28.0

6.5

2.7

1.2

0.6

0.3

（

At Ta=25 degC, VDD=1.8V, unless otherwise noted）

Note. *1) These characteristics are guaranteed by design.

*2) Initial setting of the IIR filter coefficient is

“off”.

1.9 Filter selection based on use cases

Example

use case

Oversampling

setting

Pressure

over

sampling

times

Temp.

over

sampling

times

Specification (Typ.)

IIR

filter

coefficient

Current

consumption

[uA]

ODR [Hz]

(Example)

rms Noise

[Pa]

Weather

monitoring

High speed

×2

×1

off

1.2

0.05

5.2

Drop detection

Low power

×4

×1

off

407

100

3.7

Elevator detection

Standard

×8

×1

63.4

0.8

Stair detection

High accuracy

×16

×2

219

0.4

Indoor navigation

Ultra high

accuracy

×32

×4

570

0.2

（

At Ta=25 degC, VDD=1.8V, unless otherwise noted）

Note. These characteristics are guaranteed by design.

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