BMP085

Data sheet

Bosch Sensortec

Rev. 1.2

Page 6

15 October 2009

© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such

as copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.

Specifications are subject to change without notice.

1 Electrical characteristics

If not stated otherwise, the given values are maximum values over temperature/voltage range

in the given operation mode.

Parameter

Symbol

Condition

Min

Typ

Max

Units

operational

-40

+85

Operating temperature

full accuracy

0

+65

°C

ripple max. 50mVpp

1.8

2.5

3.6

V

Supply voltage

1.62

2.5

3.6

V

ultra low power mode

3

µA

standard mode

5

µA

high resolution mode

7

µA

Supply current

@ 1 sample / sec.

25°C

ultra high res. mode

12

µA

Peak current

during conversion

650

1000

µA

Standby current

at 25°C

0.1

µA

Serial data clock

3.4

MHz

Conversion time

temperature

standard mode

3

4.5

ms

ultra low power mode

3

4.5

ms

standard mode

5

7.5

ms

high resolution mode

9

13.5

ms

Conversion time

pressure

ultra high res. mode

17

25.5

ms

700 . . . 1100 hPa

0 . . . +65 °C

-2.5

±1.0

+2.5

hPa

300 . . . 700 hPa

0 . . . +65 °C

-3.0

±

1.0

+3.0

hPa

Absolute accuracy

pressure

300 . . . 1100 hPa

-20 . . . 0 °C

-4.0

±

1.5

+4.0

hPa

pressure

0.01

hPa

Resolution of

output data

temperature

0.1

°C

700 . . . 1100 hPa

@ 25 °C

±

0.2

hPa

Relative accuracy

pressure

0 . . . 65 °C @ p const.

±0.5

hPa

Noise in pressure

see table on page 10

@ 25 °C

-1.5

±

0.5

+1.5

°C

Absolute accuracy

temperature

0 . . . +65 °C

-2.0

±1.0

+2.0

°C