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Analog Devices - High Precision Tri-Axis Inertial Sensor

Numéro de référence ADIS16400
Description High Precision Tri-Axis Inertial Sensor
Fabricant Analog Devices 
Logo Analog Devices 





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ADIS16400 fiche technique
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Triaxial, digital gyroscope with digital range scaling
±75°/sec, ±150°/sec, ±300°/sec settings
Triaxial, ±18 g digital accelerometer
Triaxial, ±2.5 gauss digital magnetometer
220 ms start-up time
Factory-calibrated sensitivity, bias, and axial alignment
ADIS16400 calibration temperature: +25°C
ADIS16405 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 ADIS16400/ADIS16405 iSensor® products are complete
inertial systems that include a triaxal gyroscope, a triaxial
accelerometer, and a triaxial magnetometer. The ADIS16400/
ADIS16405 combine 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 ADIS16400/ADIS16405 provide 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. All
Rev. A
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.
Triaxial Inertial Sensor
with Magnetometer
ADIS16400/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
necessary motion testing and calibration are part of the production
process at the factory, greatly reducing system integration time.
Tight orthogonal alignment simplifies inertial frame alignment
in navigation systems. An improved serial peripheral interface
(SPI) 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 ADIS16400/ADIS16405 requires only firmware
changes to accommodate additional sensors and register map
updates.
These compact modules are approximately 23 mm × 23 mm ×
23 mm and provide a flexible connector interface that enables
multiple mounting orientation options.
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.

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