CMA3000-D0X Series

VTI Technologies Oy

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www.vti.fi

Doc.Nr. 8281000.12

Rev. 0.12

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

I

2C Interface ..............................................................................................................................19

4.2.1

I

2C frame format.................................................................................................................19

4.2.1.1

I

2C write mode............................................................................................................................19

4.2.1.2

I

2C read mode.............................................................................................................................19

4.2.2

Examples of I

2C 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

I

2C 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