SNC200 Inertial Measurement Unit

Product overview
SNC200-IMU is an inertial measurement unit (IMU) based on MEMS technology. It has built-in high-performance MEMS gyroscope and MEMS accelerometer, and outputs 3 angular velocities and 3 accelerations.

SNC200-IMU has high reliability and strong environmental adaptability. By matching different software, the products can be widely used in intelligent driving, tactical and industrial UAVs, intelligent ammunition, seeker, communication in motion, surveying and mapping, stable platform and other fields.

1. Product features
1) Three axis digital gyroscope:
a) ± 450 º / s dynamic measurement range;
b) Zero bias stability: 3 ° / h (GJB, 10s, Z axis), 0.8 ° / h (Allan, Z axis);

2) Three axis digital accelerometer:
a) ± 16g dynamic measurement range;
b) Zero bias stability: 0.2mg (GJB, 10s), 0.03mg (Allan);

3) High reliability: MTBF > 20000h;

4) Ensure accuracy within the full temperature range (- 40 ℃ ~ 70 ℃): built in high-performance temperature calibration and compensation algorithm;

5) Suitable for working under strong vibration conditions;

6) Interface: 1-way UART, 1-way SPI, 1-way can

2. Application fields
1) Intelligent driving
2) Tactical and industrial UAVs
3) Intelligent ammunition
4) Seeker
5) Dynamic communication
6) Mapping
7) Stable platform

3. Product indicators 

Parameter		Test conditions	minimum value	Typical value	Maximum	Company
Gyro	Dynamic measurement range				450	º/s
	Zero bias stability	Allan variance, z-axis		0.8		º/h
		Allan variance, x-axis and y-axis		1.6		º/h
		10s average (- 40 ℃ ~ + 70 ℃, constant temperature), z-axis		3		º/h
		10s average (- 40 ℃ ~ + 70 ℃, constant temperature), x-axis and y-axis		6		º/h
	Zero bias	Zero offset range, z-axis		±0.07		º/s
		Zero offset range, x-axis and y-axis		±0.2		º/s
		Zero bias change in full temperature range, z-axis 1		±0.02		º/s
		Zero bias change in full temperature range, x-axis and y-axis 1		±0.06		º/s
		Successive start repeatability, z-axis		0.002		º/s
		Successive start repeatability, x-axis and y-axis		0.006		º/s
		Daily start repeatability, z-axis		0.003		º/s
		Daily start repeatability, x-axis and y-axis		0.009		º/s
		Influence of linear acceleration on zero bias		0.002		º/s/g
		Influence of vibration on zero deviation, change before and after vibration 2		0.002		º/s/g
		Influence of vibration on zero deviation, change in vibration before vibration 2		0.002		º/s/g
	Scale factor	Scale factor accuracy, z-axis		0.3		%
		Scale factor accuracy, x-axis and y-axis		0.6		%
		Scale factor, nonlinear, z-axis		0.01		%FS
		Scale factor nonlinearity, x-axis and y-axis		0.02		%FS
	resolving power			3.052×10−7		º/s/LSB
	bandwidth			200		Hz
Accelerometer	Dynamic measurement range			16		g
	Zero bias stability	Allan variance		0.03		mg
		10s average (- 40 ℃ ~ + 70 ℃, constant temperature)		0.2		mg
	Zero bias	Zero bias range		5		mg
		Zero bias change in full temperature range, peak to peak 1		5		mg
		Successive start repeatability		0.5		mg
		Daily start repeatability		0.8		mg
		Zero bias temperature coefficient		0.05	0.1	mg/℃
	Scale factor	Scale factor accuracy		0.5		%
		Scale factor nonlinearity		0.01		%FS
	resolving power			1.221×10−8		g/LSB
	bandwidth			200		Hz
Communication interface	1Way SPI	Baud rate			15	MHz
	1Road UART	Baud rate		230.4		Kbps
	1Way can	Baud rate			1	MHz
	sampling frequency	SPI		200	1000	Hz
		UART		200		Hz
		CAN		200
Electrical characteristics	Voltage		3.0	3.3	3.6	V
	power waste				1.5	W
	Ripple	P-P			100	mV
Structural characteristics	size			47×forty-four×fourteen		mm
	weight			50		g
Use environment	working temperature		-40		70	℃
	Storage temperature		-45		75	℃
	Vibration			20~2000Hz，6.06g
	to attack			1000g，0.5ms
Reliability	MTBF			20000		h
	Continuous working time