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Bosch Sensortec | BME680 Datasheet

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Modifications reserved |Data subject not change without notice | Printed in Germany

Document number: BST-BME680-DS001-00 Revision_1.0_072017

Table of contents

1. Specification 7

1.1 General Electrical Specification ............................................................................................................................ 7

1.2 Gas sensor specification ....................................................................................................................................... 8

1.3 Humidity sensor specification .............................................................................................................................. 10

1.4 Pressure sensor specification ............................................................................................................................. 11

1.5 Temperature sensor specification ....................................................................................................................... 12

2. Absolute maximum ratings 13

3. Sensor usage 14

3.1 Sensor modes ..................................................................................................................................................... 14

3.2 Sensor configuration ........................................................................................................................................... 15

3.2.1 Quick start ........................................................................................................................................................ 15

3.2.2 Sensor configuration flow ................................................................................................................................. 16

3.3 Measurement flow ............................................................................................................................................... 17

3.3.1 Temperature measurement .............................................................................................................................. 17

3.3.2 Pressure measurement .................................................................................................................................... 17

3.3.3 Humidity measurement .................................................................................................................................... 17

3.3.4 IIR filter ............................................................................................................................................................. 18

3.3.5 Gas sensor heating and measurement ............................................................................................................ 18

3.4 Data readout........................................................................................................................................................ 19

3.4.1 Gas resistance readout .................................................................................................................................... 19

3.5 Output compensation .......................................................................................................................................... 19

4. Software and use cases 21

4.1 BSEC software .................................................................................................................................................... 21

4.2 Indoor-air-quality ................................................................................................................................................. 23

5. Global memory map and register description 24