CMA3000-D0X Datasheet, PDF(3/35 Page) VTI technologies

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CMA3000-D0X Datasheet, PDF (3/35 Pages) VTI technologies – 3-axis accelerometer

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CMA3000-D0X Series

4.1.1 SPI frame format................................................................................................................17

4.1.2 Examples of SPI communication.....................................................................................18

4.1.2.1 Example of register read...........................................................................................................18

4.1.3 Multiple slave devices in SPI bus ....................................................................................18

4.2 I2C Interface ..............................................................................................................................19

4.2.1 I2C frame format.................................................................................................................19

4.2.1.1 I2C write mode ............................................................................................................................19

4.2.1.2 I2C read mode.............................................................................................................................19

4.2.2 Examples of I2C communication......................................................................................19

5 Electrical Characteristics ................................................................................................ 20

5.1 Absolute maximum ratings.....................................................................................................20

5.2 Power Supply ...........................................................................................................................20

5.3 Digital I/O Specification...........................................................................................................20

5.3.1 Digital I/O DC characteristics ...........................................................................................20

5.3.2 Digital I/O level shifter.......................................................................................................20

5.3.3 SPI AC characteristics ......................................................................................................21

5.3.4 I2C AC characteristics .......................................................................................................21

6 Package Characteristics.................................................................................................. 22

6.1 Dimensions...............................................................................................................................22

7 Application information ................................................................................................... 23

7.1 Pin Description.........................................................................................................................23

7.2 Recommended circuit diagram ..............................................................................................23

7.3 Recommended PWB layout ....................................................................................................24

7.4 Mounting recommendations...................................................................................................24

7.5 Assembly instructions ............................................................................................................25

7.6 Tape and reel specifications...................................................................................................25

8 Data sheet references ...................................................................................................... 26

8.1 Offset.........................................................................................................................................26

8.1.1 Offset calibration error .....................................................................................................26

8.1.2 Offset temperature error...................................................................................................26

8.2 Sensitivity .................................................................................................................................26

8.2.1 Sensitivity calibration error..............................................................................................27

8.2.2 Sensitivity temperature error ...........................................................................................27

8.3 Linearity ....................................................................................................................................27

8.4 Noise .........................................................................................................................................28

8.5 Bandwidth.................................................................................................................................29

8.6 Cross-axis sensitivity ..............................................................................................................29

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