Robust Imu Module Imu System for Unmanned Aircraft

Product detail

Model NO.:

IMU688M

Type:

Inertial Measurement Unit

Output Signal Type:

Digital Output

Measuring Shaft Quantities:

Accuracy Grade:

Gyro: 0.8degree/H

IP Rating:

Certification:

Customized:

Non-Customized

Trademark:

SkyMEMS

Transport Package:

Carton

Specification:

47*44*14mm

Origin:

China

HS Code:

9014100000

Product Description

Main Features
-Precision 6 DoFMEMS Inertial Measurement Unit
-Compatible with ADIS16488A Interface and Protocol
-Dynamic Range: Gyro ±450°/s, Acc ±16g
-Bias Stability: Gyro: 0.8°/h, Acc:30μg (Allan)
-Ability to Access with GNSS, Aerospace Reliability
-Full Temperature Range Accuracy: Built-in High
Performance Temperature Calibration and
Compensation Algorithm

Brief Introduction
IMU688M Inertial Measurement Unit is a high performance tactical grade MEMS Inertial Measurement Unit, it is composed of 0.8°/h (Allan) bias stability MEMS gyroscope and 30ug (Allan) bias stability MEMS accelerometer, which can output precise 3-axis outputs of angular rate and 3 axis acceleration data.
IMU688M Inertial Measurement Unit adopts latest capacitive technology and advanced MEMS components, which reduces the cost deeply. The system enjoys small size and light weight, it features a Mil‐Standard reliability and is housed in an ultra-durable and compact aluminum housing. IMU688M has been widely applied in tactical UAS Navigation & Control, Precise Guided Bomb, Rocket, Seeker, Platform Stabilization, etc.

Technical Specifications

Parameter	Test Condition	Value			Unit
Parameter	Test Condition	Min	Typical	Max	Unit
Gyroscopes
Dynamic Range				450	°/s
Bias Stability	Allan variance, X, Y and Z axis		0.8		°/h
	10s average (-40~+80°C, fixed temperature), X, Y and Z axis		3		°/h
	1s average (-40~+80°C, fixed temperature), X, Y and Z axis		4.5		°/h
Bias	Bias range, X, Y and Z axis		±0.07		°/s
	Bias range in full temperature range, X, Y and Z axis (1)		±0.02		°/s
	Startup time by time repeatability , X, Y and Z axis		0.002		°/s
	Startup day by day repeatability , X, Y and Z axis		0.003		°/s
	Linear Acceleration Effect on Bias		0.002		°/s/g
	Vibration effect on bias, change between before and after (2)		0.002		°/s/g
	Vibration effect on bias, change between before and in-run (2)		0.002		°/s/g
Scale Factor	Scale factor accuracy, X, Y and Z axis		0.3		%
Scale Factor	Scale factor nonlinearity, X, Y and Z axis		0.01		%FS
Radom Walk			0.15		º/√h
Noise Density			0.001		°/s/√Hz
Resolution		3.052*10^-7			º/s/LSB
Bandwidth			200		Hz
Accelerometer
Dynamic Range			16		g
Bias Stability	Allan variance		0.03		mg
	10s average (-40~+80°C, fixed temperature)		0.2		mg
	1s average (-40~+80°C, fixed temperature)		0.3		mg
Bias	Bias range		5		mg
	Bias range in full temperature range, peak-peak value (1)		5		mg
	Startup time by time repeatability		0.5		mg
	Startup day by day repeatability		0.8		mg
	Bias Temperature Coefficient		0.05	0.1	mg/°C
Scale Factor	Scale factor accuracy			4	%
Scale Factor	Scale factor nonlinearity			0.2	%FS
Radom Walk			0.029		m/s/√hr
Noise Density			0.025		mg/√Hz
Resolution		1.221*10^-8			g/LSB
Bandwidth			200		Hz
Magnetometer
Dynamic Range			±2.5		gauss
Sensitivity			0.1		Mgauss/LS
Non-linearity			0.5		%FS
Communication Interface
1 Channel SPI	Baud rate			15	MHz
1 Channel UART	Baud rate		230.4		Kbps
1 Channel CAN	Baud rate			1	MHz
Sampling Rate	SPI		200		Hz
	UART		200		Hz
Electronic Characteristics
Voltage		3	3.3	3.6	V
Power Consumption				1.5	W
Ripple Wave	P-P			100	mV
Physical Characteristics
Dimension		474414			mm
Weight			50		grams
Working Environment
Working Temperature		-40		80	°C
Storage Temperature		-45		85	°C
Vibration Resistance		20~2000Hz, 6.06g
Shock Resistance		1000g, 0.5ms
Reliability
MTBF			20000		h
Continuous Working Time			120		h
Remarks: (1): calculate the bias stability over the full temperature range, temperature change rate<=1ºC/min, temperature range: -40~+80°C (2):vibration condition is 6.06g,20~2000Hz