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ICM-20789 Datasheet Preview

ICM-20789 Datasheet

High Performance Integrated 6-Axis Inertial and Barometric Pressure Sensor

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ICM-20789
7-Axis, High Performance Integrated 6-Axis Inertial
and Barometric Pressure Sensor
GENERAL DESCRIPTION
The 7-Axis ICM-20789 is an integrated 6-axis inertial device
that combines a 3-axis gyroscope, 3-axis accelerometer, and
an ultra-low noise MEMS capacitive pressure sensor in a 24-
pin LGA package. This unique 7-Axis device offers
performance of discrete components in a single small
footprint for tracking rotational and linear motion as well as
pressure differences with an accuracy of ±1 Pa, an accuracy
enabling altitude measurement differentials as small as
8.5 cm.
The pressure sensor’s MEMS capacitive architecture provides
the industry’s lowest noise at the lowest power, high sensor
throughput, and temperature coefficient offset of ±0.5 Pa/°C.
The pressure sensor’s combination of high accuracy elevation
measurements, low power, and temperature stability
complemented by the motion tracking 6-axis inertial sensor in
a small footprint, make it ideal for a wide range of motion
tracking applications.
The embedded 6-axis MotionTracking device combines a 3-
axis gyroscope, 3-axis accelerometer, and a Digital Motion
Processor™ (DMP). An available large 4 kB FIFO reduces
traffic on the serial bus interface, and power consumption
through burst sensor data transmission. The Gyroscope has
programmable FSR of ±250 dps, ±500 dps, ±1000 dps and
±2000 dps. The Accelerometer FSR is programmable to ±2g,
±4g, ±8g and ±16g
ICM-20789 has 16-bit ADC for the 6-axis inertial sensor and
24-bit ADC for the pressure Sensor, programmable digital
filters, two temperature sensors – one each in 6-axis Inertial
and Pressure sensor. The device features an operating
voltage of 1.8V. Communication port includes I2C at 400 kHz
(6-axis and Pressure) and 8 MHz SPI (6-axis only). The package
is 4x4x1.365 mm 24-pin to minimize board area
requirements.
BLOCK DIAGRAM
AP/HUB
I2C SPI (6-Axis only)
I2C
APPLICATIONS
Drones and Flying Toys
Motion-based gaming controllers
Virtual Reality headsets and controllers
Indoor/Outdoor Navigation (dead-reckoning,
floor/elevator/step detection)
FEATURES
Pressure operating range: 30 to 110 kPa
Noise and current consumption
o 3.2 Pa @ 1.3 µA (LP mode)
o 0.8 Pa @ 5.2 µA (LN mode)
o 0.4 Pa @ 10.4 µA (ULN mode)
Pressure Sensor Relative Accuracy: ±1 Pa for any
10 hPa change over 950 hPa-1050 hPa at 25°C
Pressure Sensor Absolute Accuracy: ±1 hPa over
950 hPa-1050 hPa, 0°C to 65°C
Pressure Sensor Temperature Coefficient Offset:
±0.5 Pa/°C over 25°C to 45°C at 100 kPa
Gyroscope programmable FSR of ±250 dps,
±500 dps, ±1000 dps, and ±2000 dps
Accelerometer with Programmable FSR of ±2g, ±4g,
±8g, and ±16g
Large 4 kB FIFO reduces traffic on the serial bus
interface
EIS FSYNC support
User-programmable interrupts
Wake-on-motion interrupt for low power operation
of applications processor
Host interface: 400 kHz Fast Mode I2C & 8 MHz SPI
(see datasheet for ICM-20689)
Digital-output temperature sensor (x2)
Nominal VDD operation at 1.8V
RoHS and Green compliant
ORDERING INFORMATION
PART
TEMP RANGE
ICM-20789†
−40°C to +85°C
Denotes RoHS and Green-Compliant Package
PACKAGE
24-Pin LGA
6-Axis
Motion
I2C Pressure
Sensor
ICM-20789
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-000169
Revision: 1.3
Revision Date: 10/31/2017




TDK

ICM-20789 Datasheet Preview

ICM-20789 Datasheet

High Performance Integrated 6-Axis Inertial and Barometric Pressure Sensor

No Preview Available !

ICM-20789
TABLE OF CONTENTS
General Description .............................................................................................................................................1
Block Diagram ......................................................................................................................................................1
Applications .........................................................................................................................................................1
Features ...............................................................................................................................................................1
Ordering Information...........................................................................................................................................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 Pressure sensor Features ..........................................................................................................................8
2.4 Additional Features ...................................................................................................................................8
2.5 Motion Processing ....................................................................................................................................8
3 Electrical Characteristics ...................................................................................................................................... 9
3.1 Gyroscope Specifications ..........................................................................................................................9
3.2 Accelerometer Specifications..................................................................................................................10
3.3 Pressure Sensor Specifications................................................................................................................11
3.4 Electrical Specifications...........................................................................................................................12
3.5 I2C Timing Characterization.....................................................................................................................14
3.6 Absolute Maximum Ratings ....................................................................................................................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 ..............................................................................................21
4.4 Block Diagram .........................................................................................................................................22
4.5 Overview .................................................................................................................................................23
4.6 Three-Axis MEMS Gyroscope with 16-bit ADCs and Signal Conditioning ...............................................24
4.7 Three-Axis MEMS Accelerometer with 16-bit ADCs and Signal Conditioning.........................................24
4.8 Digital Motion Processor.........................................................................................................................24
4.9 Pressure Sensor.......................................................................................................................................24
4.10 I2C Serial Communications Interface ..................................................................................................24
4.11 Self-Test ..............................................................................................................................................25
4.12 Clocking...............................................................................................................................................26
4.13 Sensor Data Registers .........................................................................................................................26
4.14 FIFO.....................................................................................................................................................26
4.15 Interrupts............................................................................................................................................26
4.16 Digital-Output Temperature Sensor ...................................................................................................26
Document Number: DS-000169
Revision: 1.3
Page 2 of 62


Part Number ICM-20789
Description High Performance Integrated 6-Axis Inertial and Barometric Pressure Sensor
Maker TDK
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