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Analog Devices Semiconductor Electronic Components Datasheet

ADIS16405 Datasheet

High Precision Tri-Axis Sensor

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ADIS16405 pdf
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Tri-axis, digital gyroscope with digital range scaling
±75°/sec, ±150°/sec, ±300°/sec settings
Tri-axis, ±18 g digital accelerometer
Tri-axis, ±2.5 gauss digital magnetometer
220 ms start-up time
Factory-calibrated sensitivity, bias, and axial alignment
Calibration temperature range: −40°C to +85°C
Digitally controlled bias calibration
Digitally controlled sample rate, up to 819.2 SPS
External clock input enables sample rates up to 1200 SPS
Digitally controlled filtering
Programmable condition monitoring
Auxiliary digital input/output
Digitally activated self-test
Programmable power management
Embedded temperature sensor
SPI-compatible serial interface
Auxiliary, 12-bit ADC input and DAC output
Single-supply operation: 4.75 V to 5.25 V
2000 g shock survivability
Operating temperature range: −40°C to +105°C
APPLICATIONS
Unmanned aerial vehicles
Platform control
Digital compassing
Navigation
GENERAL DESCRIPTION
The ADIS16405 iSensor® is a complete inertial system that includes
a tri-axis gyroscope, a tri-axis accelerometer, and a tri-axis mag-
netometer. The ADIS16405 combines industry-leading iMEMS®
technology with signal conditioning that optimizes dynamic
performance. The factory calibration characterizes each sensor
for sensitivity, bias, alignment, and linear acceleration (gyroscope
bias). As a result, each sensor has its own dynamic compensation
for correction formulas that provide accurate sensor measurements
over a temperature range of −40°C to +85°C. The magnetometers
employ a self-correction function to provide accurate bias
performance over temperature as well.
The ADIS16405 provides a simple, cost-effective method for
integrating accurate, multi-axis inertial sensing into industrial
systems, especially when compared with the complexity and
investment associated with discrete designs.
Tri-Axis Inertial Sensor
with Magnetometer
ADIS16405
FUNCTIONAL BLOCK DIAGRAM
AUX_
ADC
AUX_
DAC
TEMPERATURE
SENSOR
TRI-AXIS MEMS
ANGULAR RATE
SENSOR
SIGNAL
CONDITIONING
AND
CONVERSION
CALIBRATION
AND
DIGITAL
PROCESSING
OUTPUT
REGISTERS
AND SPI
INTERFACE
TRI-AXIS MEMS
ACCELERATION
SENSOR
CS
SCLK
DIN
DOUT
TRI-AXIS
MAGNETIC
SENSOR
ALARMS
POWER
MANAGEMENT
SELF-TEST
ADIS16405
DIGITAL
CONTROL
RST DIO1 DIO2 DIO3 DIO4/
CLKIN
Figure 1.
VCC
GND
All necessary motion testing and calibration are part of the produc-
tion process at the factory, greatly reducing system integration time.
Tight orthogonal alignment simplifies inertial frame alignment
in navigation systems. An improved SPI interface and register
structure provide faster data collection and configuration control.
By using a compatible pinout and the same package as the
ADIS1635x and ADIS1636x families, upgrading to the ADIS16405
requires only firmware changes to accommodate additional sensors
and register map updates.
This compact module is approximately 23 mm × 23 mm × 23 mm
and provides a flexible connector interface, which enables multiple
mounting orientation options.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2009 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

ADIS16405 Datasheet

High Precision Tri-Axis Sensor

No Preview Available !

ADIS16405 pdf
ADIS16405
TABLE OF CONTENTS
Features .............................................................................................. 1 
Applications....................................................................................... 1 
Functional Block Diagram .............................................................. 1 
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General Description ......................................................................... 1 
Revision History ............................................................................... 2 
Specifications..................................................................................... 3 
Timing Specifications .................................................................. 5 
Timing Diagrams.......................................................................... 5 
Absolute Maximum Ratings............................................................ 6 
ESD Caution.................................................................................. 6 
Pin Configuration and Function Descriptions............................. 7 
Typical Performance Characteristics ............................................. 8 
REVISION HISTORY
3/09—Revision 0: Initial Version
Theory of Operation .........................................................................9 
Basic Operation .............................................................................9 
Reading Sensor Data.....................................................................9 
Device Configuration ...................................................................9 
Burst Mode Data Collection ........................................................9 
Output Data Registers ............................................................... 11 
Calibration................................................................................... 11 
Operational Control................................................................... 12 
Input/Output Functions ............................................................ 13 
Diagnostics.................................................................................. 14 
Outline Dimensions ....................................................................... 16 
Ordering Guide .......................................................................... 16 
Rev. 0 | Page 2 of 16


Part Number ADIS16405
Description High Precision Tri-Axis Sensor
Maker Analog Devices
Total Page 16 Pages
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