BME690 datasheet(13/60 Pages) BOSCH

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Bosch Sensortec | BME690 - Datasheet

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Document number: BST-BME690-DS001-04

as well as in the event of applications for industrial property rights

1.4 Pressure sensor specification

Table 9: Pressure parameter specification

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Operating temperature

range

operational

-40

°C

full accuracy

Operating pressure

range

full accuracy

300

1100

hPa

Supply current

IDD,LP

1 Hz,

pressure and temperature,

lowest power

3.2

4.5

µA

Temperature coefficient

of offset17

TCOP

25 - 40 °C, 900 hPa

±1.3

Pa/K

±10.9

cm/K

Absolute accuracy

pressure

Ap, full

300 - 1100 hPa

0 - 65°C

±0.5

hPa

Relative accuracy

pressure

Arel

700 – 900 hPa,

25 - 40 °C, at constant

humidity

±0.05

hPa

Resolution of

pressure output data

Highest oversampling

0.18

Noise in pressure

NP,fullBW

Full bandwidth, highest

oversampling

1.3

10.9

Solder drift

Minimum solder height 50 µm

±0.8

hPa

Long-term stability18

Pstab

per year

±1

hPa

Possible sampling rate

fsample_P

Lowest oversampling

182

17 When changing temperature from 25 °C to 40 °C at constant pressure / altitude, the measured pressure / altitude will change by (15×TCOP).

18 Long-term stability is specified in the full accuracy operating pressure range 0‒65 °C

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