LIS2DW12 datasheet(60/66 Pages) STMICROELECTRONICS

60 / 66 page

Contents

Block diagram and pin description .................................................3

1.1

Block diagram ................................................................. 3

1.2

Pin description ................................................................. 4

Mechanical and electrical specifications ...........................................6

2.1

Mechanical characteristics ....................................................... 6

2.2

Electrical characteristics......................................................... 7

2.3

Temperature sensor characteristics ............................................... 8

2.4

Communication interface characteristics ........................................... 9

2.4.1

SPI - serial peripheral interface .............................................. 9

2.4.2

I²C - inter-IC control interface .............................................. 10

2.5

Absolute maximum ratings...................................................... 11

Terminology and functionality ....................................................13

3.1

Terminology .................................................................. 13

3.1.1

Sensitivity ............................................................. 13

3.1.2

Zero-g level offset ....................................................... 13

3.2

Functionality.................................................................. 14

3.2.1

Operating modes ....................................................... 14

3.2.2

Single data conversion on-demand mode ..................................... 16

3.2.3

Self-test............................................................... 16

3.2.4

Activity/Inactivity, Android stationary/motion-detection functions .................... 17

3.2.5

High tap/double-tap user configurability ...................................... 17

3.2.6

Offset management...................................................... 17

3.3

Sensing element .............................................................. 18

3.4

IC interface................................................................... 18

3.5

Factory calibration............................................................. 18

3.6

Temperature sensor ........................................................... 18

Application hints .................................................................19

Digital main blocks ...............................................................21

5.1

Block diagram of filters ......................................................... 21

LIS2DW12

Contents

DS11811 - Rev 8

page 60/66

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