BMP183 datasheet(4/28 Pages) BOSCH

4 / 28 page

Data sheet

BMP183

Page 4

BST-BMP183-DS000-00 | Revision 1.0 | June 2012

Bosch Sensortec

parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.

Note: Specifications within this document are subject to change without notice.

Index of Contents

1. ELECTRICAL CHARACTERISTICS.................................................................................................6

2. ABSOLUTE MAXIMUM RATINGS....................................................................................................8

3. OPERATION ......................................................................................................................................9

3.1 POWER SUPPLY AND POWER ON SEQUENCE .................................................................................9

3.2 GENERAL DESCRIPTION ..............................................................................................................9

3.3 GENERAL FUNCTION AND APPLICATION SCHEMATICS.....................................................................9

3.4 MEASUREMENT OF PRESSURE AND TEMPERATURE .....................................................................11

3.4.1 Hardware pressure sampling accuracy modes ................................................................ 12

3.4.2 Software pressure sampling accuracy modes.................................................................. 13

3.5 CALIBRATION COEFFICIENTS......................................................................................................13

3.6 CALCULATING PRESSURE AND TEMPERATURE ............................................................................14

3.7 CALCULATING ABSOLUTE ALTITUDE............................................................................................16

3.8 CALCULATING PRESSURE AT SEA LEVEL .....................................................................................17

4. GLOBAL MEMORY MAP ................................................................................................................18

5. SPI INTERFACE ..............................................................................................................................19

5.1 SPI SPECIFICATION...................................................................................................................19

5.2 SPI PROTOCOL.........................................................................................................................20

5.3 START TEMPERATURE AND PRESSURE MEASUREMENT................................................................21

5.4 READ A/D CONVERSION RESULT OR NMV DATA .........................................................................22

6. PACKAGE........................................................................................................................................23

6.1 PIN CONFIGURATION .................................................................................................................23

6.2 OUTLINE DIMENSIONS ...............................................................................................................24

6.2.1 Bottom view ..................................................................................................................... 24

6.2.2 Top view .......................................................................................................................... 25

6.2.3 Side view ......................................................................................................................... 25

6.3 MOISTURE SENSITIVITY LEVEL AND SOLDERING...........................................................................26

6.4 ROHS COMPLIANCY..................................................................................................................26

6.5 MOUNTING AND ASSEMBLY RECOMMENDATIONS .........................................................................26

7. LEGAL DISCLAIMER......................................................................................................................27

BMP183 bảng dữ liệu(PDF) 4 Page - Bosch Sensortec GmbH