Data Sheet

ManualsBrandsSparkfun Electronics ManualsInertia Measurement UnitsSparkFun ICM-20948 9DoF IMU Breakout (Qwiic)

ICM-20948

Document Number: DS-000189 Page 8 of 89

Revision: 1.3

LIST OF TABLES

Table 1. Gyroscope Specifications .................................................................................................................................... 11

Table 2. Accelerometer Specifications ............................................................................................................................. 12

Table 3. Magnetometer Specifications ............................................................................................................................. 13

Table 4. D.C. Electrical Characteristics.............................................................................................................................. 13

Table 5. A.C. Electrical Characteristics .............................................................................................................................. 15

Table 6. Other Electrical Specifications ............................................................................................................................ 15

Table 7. I

C Timing Characteristics ................................................................................................................................... 16

Table 8. SPI Timing Characteristics (7 MHz) ..................................................................................................................... 17

Table 9. Absolute Maximum Ratings ................................................................................................................................ 18

Table 10. Signal Descriptions ............................................................................................................................................ 19

Table 11. Bill of Materials ................................................................................................................................................. 20

Table 12. Power Modes for ICM-20948 ............................................................................................................................ 26

Table 13. Interrupt Sources .............................................................................................................................................. 27

Table 14. Serial Interface .................................................................................................................................................. 28

Table 15. I

C Terms ........................................................................................................................................................... 30

Table 16. Gyroscope Configuration 1 ............................................................................................................................... 60

Table 17. Gyroscope Configuration 2 ............................................................................................................................... 61

Table 18. Accelerator Configuration ................................................................................................................................. 64

Table 19. Accelerator Configuration 2 .............................................................................................................................. 66

Table 20. Register Table for Magnetometer .................................................................................................................... 77

Table 21. Register Map for Magnetometer ...................................................................................................................... 77

Table 22. Magnetometer Measurement Data Format ..................................................................................................... 79

Table 23. I

C Master Clock Frequency .............................................................................................................................. 82

Table 24. Package Dimensions ......................................................................................................................................... 85

Table 26. Part Number Part Markings .............................................................................................................................. 86