Datasheet

± 2g / 4g / 8g / 16g Tri-axis Digital
Accelerometer Specifications
PART NUMBER:
KX132-1211
Rev. 1.0
31-Jul-2019
36 Thornwood Dr. – Ithaca, NY 14850 © 2019 Kionix – All Rights Reserved
tel: [phone] – fax:[phone]-0.2
www.kionix.com - [e-mail] Page 2 of 31
Table of Contents
PRODUCT DESCRIPTION ................................................................................................................................................................... 1
FEATURES ......................................................................................................................................................................................... 1
TABLE OF CONTENTS ........................................................................................................................................................................ 2
FUNCTIONAL DIAGRAM .................................................................................................................................................................... 4
PRODUCT SPECIFICATIONS ............................................................................................................................................................... 5
MECHANICAL ............................................................................................................................................................................................. 5
ELECTRICAL ............................................................................................................................................................................................... 6
Start Up Time Profile ......................................................................................................................................................................... 7
Current Profile ................................................................................................................................................................................... 7
Power-On Procedure ......................................................................................................................................................................... 8
ENVIRONMENTAL ....................................................................................................................................................................................... 9
Handling, Mounting, Soldering ......................................................................................................................................................... 9
Floor Life ............................................................................................................................................................................................ 9
TERMINOLOGY ......................................................................................................................................................................................... 10
g ...................................................................................................................................................................................................... 10
Sensitivity ........................................................................................................................................................................................ 10
Zero-g offset .................................................................................................................................................................................... 10
Self-test ........................................................................................................................................................................................... 10
FUNCTIONALITY ........................................................................................................................................................................................ 11
Sense element ................................................................................................................................................................................. 11
ASIC interface .................................................................................................................................................................................. 11
Factory calibration .......................................................................................................................................................................... 11
APPLICATION SCHEMATIC .......................................................................................................................................................................... 12
PIN DESCRIPTION ..................................................................................................................................................................................... 12
PACKAGE DIMENSIONS AND ORIENTATION .................................................................................................................................................... 13
Dimensions ...................................................................................................................................................................................... 13
Orientation ...................................................................................................................................................................................... 14
DIGITAL INTERFACE ........................................................................................................................................................................ 17
I
2
C SERIAL INTERFACE................................................................................................................................................................................ 17
I
2
C Operation ................................................................................................................................................................................... 18
Writing to an 8-bit Register ............................................................................................................................................................. 20
Reading from an 8-bit Register ....................................................................................................................................................... 20
Data Transfer Sequences ................................................................................................................................................................. 21
HS-mode .......................................................................................................................................................................................... 22
I
2
C Timing Diagram ......................................................................................................................................................................... 23
SPI COMMUNICATIONS ............................................................................................................................................................................. 24
4-Wire SPI Interface......................................................................................................................................................................... 24
4-Wire SPI Timing Diagram ............................................................................................................................................................. 25
4-Wire Read and Write Registers .................................................................................................................................................... 26
3-Wire SPI Interface......................................................................................................................................................................... 27
3-Wire SPI Timing Diagram ............................................................................................................................................................. 28
3-Wire Read and Write Registers .................................................................................................................................................... 29