SCA3100-D04 VTI Technologies, SCA3100-D04 Datasheet - Page 2

• Manufacturer Part Number: SCA3100-D04
• Description: ACCELEROMETER 3-AXIS +/-2G SPI
• Manufacturer: VTI Technologies

Specifications of SCA3100-D04

• Axis: X, Y, Z
• Acceleration Range: ±2g
• Sensitivity: 900 counts/g
• Voltage - Supply: 3 V ~ 3.6 V
• Output Type: Digital
• Bandwidth: 55Hz
• Interface: SPI
• Mounting Type: Surface Mount
• Package / Case: 12-SMD
• For Use With: 551-1061 - EVAL BOARD ACCELEROMETER 3-AXIS551-1056 - KIT DEMO ACCELEROMETER SCA3100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 551-1055-2

TABLE OF CONTENTS
1 General Description ........................................................................................................... 5
2 Reset and power up, Operation Modes, HW functions and Clock ................................. 7
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1.1
1.2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
1.2.1
1.2.2
1.2.3
1.2.4
1.2.5
1.2.6
1.2.7
1.2.8
1.2.9
2.2.1
2.2.2
2.3.1
2.3.2
2.3.3
2.4.1
2.4.2
2.4.3
2.5.1
2.5.2
2.5.3
2.6.1
2.7.1
1.2.5.1
1.2.5.2
2.2.1.1
2.2.1.2
2.2.1.3
2.2.2.1
2.5.2.1
Introduction ................................................................................................................................5
Functional Description ..............................................................................................................5
Reset and power up...................................................................................................................7
Measurement Mode ...................................................................................................................7
Motion Detection Mode .............................................................................................................9
Free-Fall Detection...................................................................................................................11
Ring Buffer ...............................................................................................................................12
Temperature measurement.....................................................................................................13
Interrupt function (INT-pin) .....................................................................................................13
Clock .........................................................................................................................................14
Sensing element..................................................................................................................5
Interface IC...........................................................................................................................5
Factory calibration ..............................................................................................................6
Supported features .............................................................................................................6
Operation modes.................................................................................................................6
Free-Fall Detection ..............................................................................................................6
Interrupt................................................................................................................................7
Temperature output ............................................................................................................7
Output ring buffer................................................................................................................7
Description...........................................................................................................................7
Usage....................................................................................................................................8
Description...........................................................................................................................9
Usage..................................................................................................................................10
Examples............................................................................................................................10
Description.........................................................................................................................11
Usage..................................................................................................................................11
Example..............................................................................................................................11
Description.........................................................................................................................12
Usage..................................................................................................................................12
Examples............................................................................................................................13
Usage..................................................................................................................................13
Usage..................................................................................................................................13
Measurement................................................................................................................................6
Motion Detection..........................................................................................................................6
Bypass measurement mode.......................................................................................................8
Narrow band measurement mode..............................................................................................8
Wide band measurement mode .................................................................................................8
Overflow condition ......................................................................................................................8
Overflow condition ....................................................................................................................12
Doc.Nr. 8257300A.07
SCA3000 Series
Rev.A.07
2/ 43