Datasheet

Bosch Sensortec | BME680 Datasheet
11 | 50
Modifications reserved |Data subject not change without notice | Printed in Germany
Document number: BST-BME680-DS001-00 Revision_1.0_072017
1.4 Pressure sensor specification
Table 7: Pressure parameter specification
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Operating temperature
range
T
A
operational
-40
25
85
°C
full accuracy
0
65
Operating pressure
range
P
full accuracy
300
1100
hPa
Supply current
I
DD,LP
1 Hz forced mode,
pressure and
temperature, lowest
power
3.1
4.2
µA
Temperature coefficient
of offset
15
TCO
P
25‒40 °C, 900 hPa
±1.3
Pa/K
±10.9
cm/K
Absolute accuracy
pressure
A
p, full
300‒1100 hPa
0‒65°C
±0.6
hPa
Relative accuracy
pressure
A
rel
700‒900hPa,
25‒40 °C, at constant
humidity
±0.12
hPa
A
rel
900‒1100hPa
25‒40 °C, at constant
humidity
±0.12
hPa
Resolution of
pressure output data
R
P
Highest oversampling
0.18
Pa
Noise in pressure
N
P,fullBW
Full bandwidth, highest
oversampling
1.4
Pa
11
cm
Reduced bandwidth, highest
oversampling
0.2
Pa
1.7
cm
Solder drift
Minimum solder height 50µm
-0.5
1.2
+2.0
hPa
Long-term stability
16
P
stab
per year
±1.0
hPa
Possible sampling rate
f
sample_P
Lowest oversampling,
see chapter 3.3.2
157
182
Hz
15
When changing temperature from 25 °C to 40 °C at constant pressure / altitude, the measured pressure / altitude will change by (15×TCO
P
).
16
Long-term stability is specified in the full accuracy operating pressure range 0‒65 °C