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Introduction FSS-IMU16488 is a 10-axis MEMS inertial sensor mod
Volume 47*44*14
Weight 32.2g
Application field Autonomous driving: vehicle mounted, robot, engineering vehicle, underwater stable platform: pan tilt, in motion navigation control: self-control system, fixed wing unmanned aerial vehicle
Product features Tactical grade MEMS gyroscope, tactical grade MEMS
Software interface TTL; SPI
Hardware interface 2×12 Double rows of pins
86-15148215714
DetailTechnical IndexDownloadHardware and Structu

IMU16488 is a MEMS inertial measurement unit (IMU) with 10 degrees of freedom (DOF) developed by Forsense (Shanghai) Technology Co., Ltd. It features 3_axis Gyroscopes ,   3_axis Accelerometers, 3_axis Magnetometers, and a Barometer.   measuring angular velocity and linear acceleration respectively.

High precision and high resolution combine to help capture subtle vibration and tilt. A large number of output parameters enable the perception of motion despite intense shaking. All IMU modules are calibrated independently on a rotary table and adjusted precisely over an ultra_wide temperature range in a temperature chamber before leaving the factory, so that they can deliver stable and consistent performance in most extreme conditions.


Features

MEMS Gyroscope

●Bias Instability: 0.8°/hr

●Angle Random Walk: 0.1°/√hr

●Temperature Drift: 0.08°/s

(-40℃ ~ 85℃,≤1℃/min @1σ)

MEMS Accelerometer

●Bias Instability: 10μg

●Velocity Random Walk: 0.015m/s/√hr

●Temperature Drift: 1mg (-40℃ ~ 85℃,≤1℃/min @1σ)

Refined temperature compensation

●Temperature Compensation: -40℃ to 85℃

●Precise Temperature Calibration

Independent Rotary Table Calibration

●Sensitivity, bias instability, and misalignment

●Providing a user interface for calibrating installation errors

High-intensity Tolerance

●Ultra Shock Resistance: 2000g(0.5ms,Half-sine shock pulse,3-axis)

●Superb Vibration Resistance: 10g(10~2KHz,3-axis)

●Ultra-wide Operating Temperature Range: -40℃ to 85℃


Benefits

●Real-time and Flexibility: Configurable output sampling rate up to 200Hz

●Digital Interface: TTL; SPI

●Small Size and Low Weight: 47×44×21.5mm, about 32.2g


Gyroscope Key Metrics

Parameters

Test Condition/Remark

Min.

Typ.

Max.

Unit

Measurement Range



±500


°/s

Bias Instability¹

@25℃, ALLAN Variance, 1σ


X: 1.0

YZ: 0.8


°/hr

Misalignment



0.02


deg

Internal Low-pass Cutoff Frequency

Adjustable software


47


Hz

ODR



200


Hz

Measure Delay



7


ms

Offset Error over Temperature²

-40 ~ 85℃≤1℃/min @1σ


0.08


°/s

Random Walk

@25℃, ALLAN Variance, 1σ


X: 0.15

YZ: 0.1


°/√hr

Scale Coefficient Error



1.5


Scale Factor Nonlinear



200


ppm

Note 1: IEEE standard values acquired from Allan Variance analysis in a static environment (25°C)

Note 2: 1σ variation of full-temperature bias at a heating rate of 1°C/min

Accelerometer Key Metrics

Parameters

Test Conditions/Remarks

Min.

Typ.

Max.

Unit

Measurement Range



±6


g

Bias instability¹

@25℃, ALLAN Variance, 1σ


10


μg

Misalignment



0.02


deg

Internal Low-pass

Cutoff Frequency

Adjustable Software


47


Hz

ODR



200


Hz

Measure Delay



7


ms

Offset Error over Temperature²

-40℃ ~ 85℃, ≤1℃/min @1σ


XY: 1.0

Z: 2.0


mg

Random Walk

@25℃, ALLAN Variance, 1σ


XY: 0.015

Z: 0.02


m/s/√hr

Note 1: IEEE standard values acquired from Allan Variance analysis in a static environment (25°C)

Note 2: 1σ variation of full-temperature bias at a heating rate of 1°C/min


Key Indicators of Magnetic Sensor

Parameters

Test Conditions/Remarks

Min.

Typ.

Max.

Unit

Dynamic Measurement Range



±2.5


gauss

Sensitivity



1


mgauss/LSB

Misalignment



1


deg

Nonlinearity



0.5


%FS



Key Indicators of Barometer

Parameters

Test Conditions/Remarks

Min.

Typ.

Max.

Unit

Measurement Range


300
1000

mbar

Sensitivity



6.1×10-7


mbar/LSB

Totor error



4.5


mbar

Realative Error

-40℃≤TC≤ 85℃

2.5


mbar

Nonlinearity



0.1


%FS

External Structure

Outline Structure and Dimensions (unit: mm)