(PDF) IAM-20680 Datasheet PDF | TDK





IAM-20680 Datasheet PDF

Part Number IAM-20680
Description High Performance Automotive 6-Axis MotionTracking Device
Manufacture TDK
Total Page 30 Pages
PDF Download Download IAM-20680 Datasheet PDF

Features: Datasheet pdf IAM-20680 High Performance Automotive 6- Axis MotionTracking Device GENERAL DES CRIPTION The IAM-20680 is a 6-axis Moti onTracking device for Automotive applic ations that combines a 3-axis gyroscope and a 3-axis accelerometer in a small 3x3x0.75mm (16-pin LGA) package. It als o features a 512byte FIFO that can lowe r the traffic on the serial bus interfa ce and reduce power consumption by allo wing the system processor to burst read sensor data and then go into a low-pow er mode. IAM-20680, with its 6-axis int egration, enables manufacturers to elim inate the costly and complex selection, qualification, and system level integr ation of discrete devices, guaranteeing optimal motion performance. The gyrosc ope has a programmable full-scale range of ±250 dps, ±500 dps, ±1000 dps, a nd ±2000 dps. The accelerometer has a user-programmable accelerometer full-sc ale range of ±2g, ±4g, ±8g, and ±16 g. Factorycalibrated initial sensitivit y of both sensors reduces production-line calibration requireme.

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IAM-20680 datasheet
IAM-20680
High Performance Automotive 6-Axis MotionTracking Device
GENERAL DESCRIPTION
The IAM-20680 is a 6-axis MotionTracking device for
Automotive applications that combines a 3-axis
gyroscope and a 3-axis accelerometer in a small
3x3x0.75mm (16-pin LGA) package. It also features a 512-
byte FIFO that can lower the traffic on the serial bus
interface and reduce power consumption by allowing the
system processor to burst read sensor data and then go
into a low-power mode. IAM-20680, with its 6-axis
integration, enables manufacturers to eliminate the
costly and complex selection, qualification, and system
level integration of discrete devices, guaranteeing
optimal motion performance.
The gyroscope has a programmable full-scale range of
±250 dps, ±500 dps, ±1000 dps, and ±2000 dps. The
accelerometer has a user-programmable accelerometer
full-scale range of ±2g, ±4g, ±8g, and ±16g. Factory-
calibrated initial sensitivity of both sensors reduces
production-line calibration requirements.
Other industry-leading features include on-chip 16-bit
ADCs, programmable digital filters, an embedded
temperature sensor, and programmable interrupts. The
device features I2C and SPI serial interfaces, 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
Self
test
X Accel
Self Y Accel
test
Self
test
Z Accel
Self
test
X Gyro
Self
test
Y Gyro
Self Z Gyro
test
ADC
ADC
ADC
ADC
ADC
ADC
Temp Sensor
ADC
Charge
Pump
IAM-20680
Interrupt
Status
Register
FIFO
User & Config
Registers
Sensor
Registers
Slave I2C and
SPI Serial
Interface
Bias & LDOs
VDD
GND REGOUT
INT
NCS
SDO
SCLK
SDI
FSYNC
APPLICATIONS
• Navigation Systems Aids for Dead Reckoning
• Lift Gate Motion Detections
• Accurate Location for Vehicle to Vehicle and
Infrastructure
• 360º View Camera Stabilization
• Car Alarm
• Telematics
• Insurance Vehicle Tracking
ORDERING INFORMATION
PART
IAM-20680
AXES TEMP RANGE
X,Y,Z -40°C to +85°C
†Denotes RoHS and Green-compliant package
* Moisture sensitivity level of the package
FEATURES
PACKAGE
16-Pin LGA
MSL*
3
• Digital-output X-, Y-, and Z-axis angular rate
sensors (gyroscopes) with a user-programmable
full-scale range of ±250 dps, ±500 dps,
±1000 dps, and ±2000 dps and integrated 16-bit
ADCs
• Digital-output X-, Y-, and Z-axis accelerometer
with a programmable full scale range of ±2g,
±4g, ±8g, and ±16g and integrated 16-bit ADCs
• User-programmable digital filters for gyroscope,
accelerometer, and temperature sensor
• Self-test
• Wake-on-motion interrupt for low power
operation of applications processor
• Reliability testing performed according to
AEC–Q100
o PPAP and qualification data available
upon request
TYPICAL OPERATING CIRCUIT
1.8 – 3.3VDC
C2, 0.1 µF
VDD
C4, 2.2 µF
REGOUT
16 15 14
1.8 – 3.3 VDC
C3, 10 nF
VDDIO
VDDIO 1
SCL SCL/SPC 2
SDA SDA/SDI 3
AD0 SA0/SDO 4
CS 5
IAM-20680
GND
13
RESV
12
11 RESV
10 RESV
9 RESV
678
C1, 0.47 µF
InvenSense reserves the right to change the detail
specifications as may be required to permit
improvements in the design of its products.
TDK Corporation
1745 Technology Drive, San Jose, CA 95110 U.S.A
+1(408) 988–7339
www.invensense.com
Document Number: DS-000196
Revision: 1.1
Rev. Date: 01/30/2018

IAM-20680 datasheet
IAM-20680
TABLE OF CONTENTS
General Description .............................................................................................................................................1
Block Diagram ......................................................................................................................................................1
Applications .........................................................................................................................................................1
Ordering Information...........................................................................................................................................1
Features ...............................................................................................................................................................1
Typical Operating Circuit......................................................................................................................................1
1 Introduction ......................................................................................................................................................... 7
1.1 Purpose and Scope....................................................................................................................................7
1.2 Product Overview......................................................................................................................................7
1.3 Applications...............................................................................................................................................7
2 Features ............................................................................................................................................................... 8
2.1 Gyroscope Features ..................................................................................................................................8
2.2 Accelerometer Features............................................................................................................................8
2.3 Additional Features ...................................................................................................................................8
3 Electrical Characteristics ...................................................................................................................................... 9
3.1 Gyroscope Specifications ..........................................................................................................................9
3.2 Accelerometer Specifications..................................................................................................................10
3.3 Electrical Specifications...........................................................................................................................11
3.4 I2C Timing Characterization.....................................................................................................................14
3.5 SPI Timing Characterization ....................................................................................................................15
3.6 Absolute Maximum Ratings ....................................................................................................................16
3.7 Thermal Information ...............................................................................................................................16
4 Applications Information ................................................................................................................................... 17
4.1 Pin Out Diagram and Signal Description .................................................................................................17
4.2 Typical Operating Circuit.........................................................................................................................18
4.3 Bill of Materials for External Components ..............................................................................................18
4.4 Block Diagram .........................................................................................................................................19
4.5 Overview .................................................................................................................................................19
4.6 Three-Axis MEMS Gyroscope with 16-bit ADCs and Signal Conditioning ...............................................20
4.7 Three-Axis MEMS Accelerometer with 16-bit ADCs and Signal Conditioning.........................................20
4.8 I2C and SPI Serial Communications Interfaces ........................................................................................20
4.9 Self-Test...................................................................................................................................................21
4.10 Clocking...............................................................................................................................................21
4.11 Sensor Data Registers .........................................................................................................................21
4.12 FIFO.....................................................................................................................................................22
4.13 Interrupts............................................................................................................................................22
4.14 Digital-Output Temperature Sensor ...................................................................................................22
4.15 Bias and LDOs .....................................................................................................................................22
4.16 Charge Pump ......................................................................................................................................22
Document Number: DS-000196
Revision: 1.1
Page 2 of 52





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