Inertial Navigation System

SNC200A-IMU MEMS Inertial Measurement Unit

Product overview
SNC200A-IMU MEMS Inertial Measurement Unit 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.

SNC200A-IMU MEMS Inertial Measurement Unit 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.

Product features
1. Main application fields
▶  Tactical and industrial UAV
▶  Intelligent ammunition
▶  Seeker, photoelectric pod
▶  Unmanned ship, unmanned vehicle
▶  Automatic driving

2. Product features
▶  High precision ten axis IMU
▶  Large range gyro (2000 ° / s) can be configured
▶  Suitable for strong vibration environment
▶  It has high reliability and is widely used in target aircraft, Tactical UAV and missile
▶  Low delay, within 3MS

3. Physical dimensions, electrical characteristics and system performance indicators
3.1 System performance index
Parameter Test conditions index
Gyro Dynamic measurement range 450-2000° / S (optional)
Zero bias stability 10s average (- 40 ℃ ~ + 70 ℃) 3°/h
Zero bias Zero bias range ±0.03°/s
Zero bias change in full temperature range Soil 0.02 ° / S
Start repeatability 0.003°/s
Influence of vibration on zero bias 0.002°/s/g
Scale factor nonlinearity 0.01%FS
Resolving power three point zero five two×10-7°/s/LSB
Bandwidth 200Hz
Accelerometer Dynamic measurement range 16g-200g available
10s average zero bias stability (- 40 ℃ ~ + 70 ℃, constant temperature) 0.2mg
Zero bias Zero bias range 8mg
Full temperature zero bias change 5mg
Scale factor nonlinearity 0. 1%FS
bandwidth 200Hz
Magnetometer Dynamic measurement range ±2.5 gauss
sensitivity 0.1 mgauss/LSB
Nonlinearity 0.5%FS
Barometer Pressure range 450~1100 mbar
sensitivity 6.1x107 mbar/LSB
Total error 4.5 mbar
relative error 2.5 mbar
Nonlinearity 0.1%FS
3.2 Physical dimensions and electrical characteristics
Voltage: 3.3V
Power consumption: < 1.5W
Size: 47mmx44mmx14mm
Weight: < 50g

3.3 Environmental indicators
Operating temperature: - 40 ℃ ~ + 60°C
Storage temperature: - 45 ℃ ~ + 75 ℃
Vibration: 20 ~ 2000Hz, 6.06g
Impact: 1000g, 0.5mg
Continuous working time: > 120h

3.4 Interface characteristics
One SPI: sampling frequency within 1000Hz can be configured
1-way UART: 200Hz
1 channel can: 200Hz

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