SCA100T Series
VTI Technologies Oy Subject to changes 2/18
www.vti.fi Doc. nr. 8261800 Rev.A
TABLE OF CONTENTS
The SCA100T Dual Axis Inclinometer Series .........................................................................1
Features................................................................................................................................................1
Applications .........................................................................................................................................1
Table of Contents .....................................................................................................................2
1 Electrical Specifications.....................................................................................................3
1.1 Absolute Maximum Ratings......................................................................................................3
1.2 Performance Characteristics....................................................................................................3
1.3 Electrical Characteristics..........................................................................................................4
1.4 SPI Interface DC Characteristics..............................................................................................4
1.5 SPI Interface AC Characteristics..............................................................................................4
1.6 SPI Interface Timing Specifications.........................................................................................5
1.7 Electrical Connection ................................................................................................................6
1.8 Typical Performance Characteristics.......................................................................................6
1.8.1 Additional External Compensation ....................................................................................... 7
2 Functional Description .......................................................................................................9
2.1 Measuring Directions ................................................................................................................9
2.2 Voltage to Angle Conversion....................................................................................................9
2.3 Ratiometric Output ..................................................................................................................10
2.4 SPI Serial Interface ..................................................................................................................10
2.5 Digital Output to Angle Conversion.......................................................................................12
2.6 Self Test and Failure Detection Modes..................................................................................13
2.7 Temperature Measurement.....................................................................................................14
3 Application Information....................................................................................................15
3.1 Recommended Circuit Diagrams and Printed Circuit Board Layouts................................15
3.2 Recommended Printed Circuit Board Footprint ...................................................................16
4 Mechanical Specifications and Reflow Soldering..........................................................16
4.1 Mechanical Specifications (Reference only).........................................................................16
4.2 Reflow Soldering......................................................................................................................17
5 Document Change Control...............................................................................................18
6 Contact Information ..........................................................................................................18
