Datasheet

AHRS380SA
Power Sensing Solutions for a Better Life
ATTITUDE HEADING REFERENCE SYSTEM
The MEMSIC AHRS380SA is a standalone fullyintegrated Attitude & Heading Reference System
offering a complete dynamic measurement solution
in a miniature environmentally protected package.
The AHRS380SA offers a highly-effective solution
for cost-sensitive demanding applications.
Features

 Complete 9DOF Inertial System

 Roll/Pitch/Heading Outputs

 RS-232 or RS-422 Interface
 Update Rate, 1Hz to 100Hz

UAV Flight Control
Uncertified Avionics
The MEMSIC AHRS380SA integrates highly-reliable
MEMS 6DOF inertial sensors and 3-axis magnetic sensors
with extended Kalman filtering in a miniature factorycalibrated module to provide consistent performance
through the extreme operating environments in a wide
variety of dynamic control and navigation applications.
 Miniature Package, 41 x 48 x 22mm
 Wide Input Voltage Range, 9-32VDC
 Low Power Consumption < 350 mW
 Wide Temp Range, -40C to +85C
 High Reliability, MTBF > 50k hours

Environmentally Protected Enclosure
Applications

 Unmanned Vehicle Control

 Uncertified Avionics

 Platform Stabilization
 Robotics Control
9-32VDC @ < 350mW
AHRS380SA
Phone: 408.964.9700
Fax: 408.854.7702
E-mail: [email protected]
Roll, Pitch, Heading, Rate,
Acceleration, Mag and BIT
www.memsic.com
Performance
AHRS380SA
AHRS380SA-200
ATTITUDE HEADING REFERENCE SYSTEM
Heading
Range (º)
Accuracy (º)
Resolution (º)
± 180
< 3.0 3, < 1.0 4
< 0.02
NAV-VIEW
Configuration and Display Software
Attitude
Range: Roll, Pitch (º)
Accuracy (º)
Resolution (º)
± 180, ± 90
< 1.0 3, < 0.2 4
< 0.02
Angular Rate
Range: Roll, Pitch, Yaw (º/sec)
Bias Instability (º/hr) 1,2
Bias Stability Over Temp (º/sec)
Resolution (º/sec)
Scale Factor Accuracy (%)
Non-Linearity (%FS)
Angle Random Walk (º/√hr) 2
Bandwidth (Hz)
± 200 (± 400 High Range Model)
< 10
< 0.1
< 0.02
< 0.1
< 0.1
< 0.75
5-50 (user-configurable)
Acceleration
Range: X, Y Z (g)
Bias Instability (mg) 1,2
Bias Stability Over Temp (mg)
Resolution (mg)
Scale Factor Accuracy (%)
Non-Linearity (%FS)
Velocity Random Walk (m/s/√hr) 2
Bandwidth (Hz)
± 4 (± 8 High Range Model)
< 0.02
<5
< 0.5
< 0.1
< 0.1
< 0.05
5-50 (user-configurable)
Magnetic Field
Range: X, Y Z (Gauss)
Resolution (mGauss)
Noise Density (mGauss /√Hz)
Bandwidth (Hz)
±4
<5
<1
5
-40 to +85
-55 to +105
Aluminum (Gold Chem Film - ROHS)
NAV-VIEW can also be used to set a
wide range of user-configurable fields
in the AHRS380SA to optimize the
system performance for highly
dynamic applications.
9 to 32
< 350
RS-232 or RS-422 (user-configurable)
2Hz to 100Hz (user-configurable)
NAV-VIEW software is available for
download from MEMSIC’s website at:
www.memsic.com/support
Specifications
Environment
Operating Temperature (ºC)
Non-Operating Temperature (ºC)
Enclosure
NAV-VIEW provides an easy to use
graphical interface to display, record,
playback, and analyze all of the
AHRS380SA Attitude & Heading
Reference System parameters.
Electrical
Input Voltage (VDC)
Power Consumption (mW)
Digital Interface
Output Data Rate
Physical
Size (mm)
Weight (gm)
Interface Connector
Other Components
41 x 48 x 22
< 30
9-Pin Micro-D
Ordering Information
Model
Description
AHRS380SA-200
AHRS380SA-400
Attitude and Heading Reference System (Standard Range)
Attitude and Heading Reference System (High Range)
This product has been developed exclusively for commercial applications. It has not been tested
for, and makes no representation or warranty as to conformance with, any military specifications
or its suitability for any military application or end-use. Additionally, any use of this product for
nuclear, chemical or biological weapons, or weapons research, or for any use in missiles,
rockets, and/or UAV’s of 300km or greater range, or any other activity prohibited by the Export
Administration Regulations, is expressly prohibited without the written consent and without
obtaining appropriate US export license(s) when required by US law. Diversion contrary to U.S.
law is prohibited. Specifications are subject to change without notice.
1
Allan Variance Curve, constant temperature. 2 1-sigma error. 3 RMS error under all dynamics.
4
RMS error under static conditions over full temperature range.
Phone: 408.964.9700
Fax: 408.854.7702
The AHRS380SA evaluation kit
includes an AHRS380SA,
interface cable and USB cable,
allowing direct connection to a
PC for use with NAV-VIEW
display and configuration
software.
Support
For more detailed information
please refer to the DMU380SASeries User’s Manual available
online at:
www.memsic.com/support
E-mail: [email protected]
Document P/N: 6020-3824-01
www.memsic.com
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