a Data Sheet
VG440
Power Sensing Solutions for a Better Life
MEMS-BASED VERTICAL GYRO
The MEMSIC VG440 is a high-reliability low power
strapdown vertical gyroscope that provides roll, pitch
and yaw measurement data in both static and
dynamic environments. The VG440 can accept
external GPS aiding inputs for optimized
performance, and is available in standard and high
range sensor configurations.
Features

 Roll, Pitch, Yaw and 6DOF Inertial
Outputs

Platform Stabilization
Unmanned Vehicle Control
 Accuracy < 0.2 deg

 Output Data Rate > 100 Hz
The VG440 combines highly-reliable MEMS gyros and
accelerometers with high-speed DSP electronics to provide a
fully stabilized vertical gyroscope in a small and rugged
environmentally-sealed enclosure. The VG440 provides
consistent performance in challenging operating environments
and is user-configurable for a wide variety of applications

 High-Range Sensor Options
(400 deg/sec and 10g)
 GPS Aiding Input

 Low Power < 3W

Applications
 High Reliability, MTBF > 25,000 hours

 Analog Output Option
 Platform Stabilization

 Unmanned Vehicle Control
 Rugged Sealed Enclosure
 Automotive Testing
 DO-160D Environments
Phone: 408.964.9700
Fax: 408.854.7702
E-mail: [email protected]
www.memsic.com
VG440
MEMS-BASED VERTICAL GYRO
Performance
VG440
Attitude
Range: Roll, Pitch (º)
Accuracy: (º)1,2,3
Resolution: (º)
NAV-VIEW
Configuration and Display Software
±180, ±90
< 0.2
< 0.02
Angular Rate
Range: Roll, Pitch, Yaw (º/sec)
Bias Stability In-Run (º/hr)2,4
Bias Stability Over Temp: Roll, Pitch
(º/sec)2
Bias Stability Over Temp: Yaw
(º/sec)2
Resolution (º/sec)
Angle Random Walk (º/√hr)2
Bandwidth (Hz)
± 200 (± 400 High Range Model)
< 10
< 0.02
< 0.2
< 0.02
< 4.5
25
Acceleration
Range: X, Y Z (g)
Bias Stability In-Run (mg)2,4
Bias Stability Over Temp (mg)2
Resolution (mg)
Velocity Random Walk (m/s/√hr)
Bandwidth (Hz)
± 4 (± 10 High Range Model)
<1
<4
< 0.5
< 1.0
25
Specifications
Environment
Operating Temperature (ºC)
Non-Operating Temperature (ºC)
Enclosure
-40 to +71
-55 to +85
IP66 Compliant
NAV-VIEW provides an easy to use
graphical interface to display, record,
playback, and analyze all of the VG440
Inertial Measurement System
parameters.
Electrical
Input Voltage (VDC)
Power Consumption (W)
Digital Interface
9 to 42
<3
RS232
Physical
Size (in)
Size (cm)
Weight (lbs)
Weight (kg)
Interface Connector
3 x 3.75 x 2.50
7.62 x 9.53 x 6.43
< 1.2
< 0.55
DB15, D-sub 15-pin Male
Ordering Information
Model
Description
VG440CA-200
VG440CA-400
Vertical Gyro (standard range)
Vertical Gyro (high range)
NAV-VIEW can also be used to set a
wide range of user-configurable fields
in the VG440 to optimize the system
performance for highly dynamic
applications.
NAV-VIEW software is available for
download from MEMSIC’s website at:
www.memsic.com/support
Other Components
Each VG440 is shipped with an
interface cable, MEMSIC’s User’s
Manual and NAV-VIEW configuration
and display software.
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. Notes: 1 With valid GPSAiding input data . 2 1-sigma value. 3 During steady level flight. 4 Constant temperature, Allan
Variance Curve.
Phone: 408.964.9700
Fax: 408.854.7702
Support
For more detailed information
please refer to the 440 Series
User’s Manual available online
at:
www.memsic.com/support
E-mail: [email protected]
www.memsic.com
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