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ICM-42688-P Datasheet Preview

ICM-42688-P Datasheet

6-Axis MEMS MotionTracking

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ICM-42688-P Datasheet
High Precision 6-Axis MEMS MotionTrackingTM Device
ICM-42688-P HIGHLIGHTS
ICM-42688-P FEATURES
The ICM-42688-P is a 6-axis MEMS
MotionTracking device that combines a 3-axis
gyroscope and a 3-axis accelerometer. It has a
configurable host interface that supports I3CSM,
I2C and SPI serial communication, features a 2 kB
FIFO and 2 programmable interrupts with ultra-
low-power wake-on-motion support to minimize
system power consumption.
ICM-42688-P supports highly accurate external clock
input, that helps to reduce system level sensitivity
error, improve orientation measurement from
gyroscope data, reduce ODR sensitivity to
temperature and device to device variation.
The device includes industry first 20-bits data format
support in FIFO for high-data resolution. This FIFO
format encapsulates 19-bits of gyroscope data and 18-
bits of accelerometer data.
Other industry-leading features include
InvenSense on-chip APEX Motion Processing
engine for gesture recognition, activity
classification, and pedometer, along with
programmable digital filters, and an embedded
temperature sensor.
Gyroscope Noise: 2.8 mdps/Hz &
Accelerometer Noise: 70 µg/Hz
o Low-Noise mode 6-axis current
consumption of 0.88 mA
User selectable Gyro Full-scale range (dps):
± 15.6/31.2/62.5/125/250/500/1000/2000
User selectable Accelerometer Full-scale
range (g): ± 2/4/8/16
User-programmable digital filters for gyro,
accel, and temp sensor
APEX Motion Functions:
o Pedometer, Tilt Detection, Tap Detection
o Wake on Motion, Raise to Wake/Sleep,
Significant Motion Detection
Host interface: 12.5 MHz I3CSM, 1 MHz I2C,
24 MHz SPI
APPLICATIONS
AR/VR Controllers
Head Mounted Displays
Wearables
Sports
Robotics
IoT Applications
The device supports a VDD operating range of
1.71V to 3.6V, and a separate digital IO supply,
VDDIO from 1.71V to 3.6V.
BLOCK DIAGRAM
ORDERING INFORMATION
PART
TEMP RANGE
PACKAGE
ICM-42688-P
−40°C to +85°C
2.5x3mm 14-Pin
LGA
Denotes RoHS and Green-Compliant Package
TDK-INVENSENSE SENSORS FOR SMARTPHONE, MOBILE & IOT APPLICATIONS
Parameter
GYRO Noise (mdps/rt-Hz)
GYRO Offset Temp Stability (mdps/°C)
GYRO Range & Resolution
ACCEL Noise (µg/rt-Hz)
ACCEL Range & Resolution
ODR & Sample Synch
ICM-40607
Sensorhub
7
±30
±2000dps; 16-bits
110
±16g; 16-bits
8kHz; No RTC
ICM-42605
Sensorhub
3.8
±20
±2000dps; 16-bits
70
±16g; 16-bits
8kHz; No RTC
ICM-42686-P
Handheld Action
5.3
±10
±4000dps; 16/19-bits
70
±32g; 16/18-bits
32kHz; RTC
ICM-42688-P
HMD & Robotics
2.8
±5
±2000dps; 16/19-bits
AXY: 65; AZ: 70
±16g; 16/18-bits
32kHz; RTC
This document contains information on a pre-production product,
and should not be considered for production until qualification is
complete. InvenSense Inc. reserves the right to change specifications
and information herein without notice.
TDK Corporation
1745 Technology Drive, San Jose, CA 95110 U.S.A
+1(408) 9887339
www.invensense.com
Document Number: DS-000347
Revision: 1.2
Rev. Date: 04/19/2020




TDK

ICM-42688-P Datasheet Preview

ICM-42688-P Datasheet

6-Axis MEMS MotionTracking

No Preview Available !

ICM-42688-P
TABLE OF CONTENTS
ICM-42688-P Highlights .......................................................................................................................................1
Block Diagram ...................................................................................................................................................... 1
ICM-42688-P Features .........................................................................................................................................1
Applications ......................................................................................................................................................... 1
Ordering Information...........................................................................................................................................1
TDK-Invensense Sensors for Smartphone, Mobile & IoT Applications ................................................................ 1
Table of Figures............................................................................................................................................................... 8
Table of Tables ................................................................................................................................................................ 8
1 Introduction ......................................................................................................................................................... 9
1.1 Purpose and Scope....................................................................................................................................9
1.2 Product Overview......................................................................................................................................9
1.3 Applications............................................................................................................................................... 9
2 Features ............................................................................................................................................................. 10
2.1 Gyroscope Features ................................................................................................................................ 10
2.2 Accelerometer Features.......................................................................................................................... 10
2.3 Motion Features......................................................................................................................................10
2.4 Additional Features .................................................................................................................................10
3 Electrical Characteristics .................................................................................................................................... 11
3.1 Gyroscope Specifications ........................................................................................................................ 11
3.2 Accelerometer Specifications.................................................................................................................. 12
3.3 Electrical Specifications........................................................................................................................... 13
3.4 I2C Timing Characterization..................................................................................................................... 15
3.5 SPI Timing Characterization 4-Wire SPI Mode ..................................................................................... 16
3.6 SPI Timing Characterization 3-Wire SPI Mode ..................................................................................... 17
3.7 Absolute Maximum Ratings .................................................................................................................... 18
4 Applications Information ................................................................................................................................... 19
4.1 Pin Out Diagram and Signal Description .................................................................................................19
4.2 Typical Operating Circuit......................................................................................................................... 20
4.3 Bill of Materials for External Components .............................................................................................. 21
4.4 System Block Diagram............................................................................................................................. 22
4.5 Overview ................................................................................................................................................. 22
4.6 Three-Axis MEMS Gyroscope with 16-bit ADCs and Signal Conditioning ............................................... 22
4.7 Three-Axis MEMS Accelerometer with 16-bit ADCs and Signal Conditioning.........................................22
4.8 I3CSM, I2C and SPI Host Interface ............................................................................................................. 22
4.9 Self-Test................................................................................................................................................... 22
4.10 Clocking............................................................................................................................................... 23
4.11 Sensor Data Registers ......................................................................................................................... 23
Document Number: DS-000347
Revision: 1.2
Page 2 of 109


Part Number ICM-42688-P
Description 6-Axis MEMS MotionTracking
Maker TDK
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