The GI200A-A0 (B0) -IMU is an inertial measurement unit (IMU) based on micromachining technology (MEMS), with built-in high-performance MEMS gyroscope and MEMS accelerometer, outputting 3 angular velocities and 3 accelerations.

GI200A-A0 (B0) -IMU features high reliability and strong environmental adaptability. By matching different software, the product can be widely used in tactical and industrial UAV, intelligent ammunition, seeker, mobile communication, mapping and other fields.

Parameter Test conditions Minimum value Typical value Maximum value Unit
Gyro Dynamic measuring range 500 2000 º/s
Zero bias stability Allan variance, Z-axis 1.6 º/h
Allan variance, X and Y axis 3.2 º/h
10 s average (-40 ºC ~ + 80 ºC, constant temperature), Z-axis 6 º/h
1s average (-40 ºC ~ + 80 ºC, constant temperature), Z-axis 9 º/h
10 s average (-40 ºC ~ + 80 ºC, constant temperature), X axis and Y axis 12 º/h
1 s average (-40 ºC ~ + 80 ºC, constant temperature), X axis and Y axis 18 º/h
Zero bias Zero-bias range, Z-axis ±0.14 º/s
Zero-bias range, X-axis and Y-axis ±0.4 º/s
Zero bias change over full temperature range, Z-axis1 ±0.04 º/s
Zero bias change over full temperature range, X and Y axis1 ±0.12 º/s
Sequential start repeatability, Z-axis 0.004 º/s
Sequential start repeatability, X-Axis and Y-Axis 0.012 º/s
Daily start repeatability, Z-axis 0.006 º/s
Daily start repeatability,, X axis and Y axis 0.018 º/s
Effect of linear acceleration on bias 0.004 º/s/g
Influence of vibration on zero bias, change before and after vibration2 0.004 º/s/g
Influence of vibration on zero bias, change before and during vibration2 0.004 º/s/g
Scale factor Scale factor accuracy, Z-axis 0.6 %
Scale Factor Accuracy, X and Y Axis 1.2 %
Scale factor nonlinearity, Z-axis 0.02 %FS
Scale Factor Nonlinearity, X and Y Axis 0.04 %FS
Angular random walk 0.3 °/√hr
Noise density 0.002 °/s/√Hz
Resolution 3.052×10−7 º/s/LSB
Bandwidth 200 Hz
Accelerometer Dynamic measuring range 16 200 g
Zero bias stability Allan variance 0.06 mg
10 s average (-40 ºC ~ + 80 ºC, constant temperature) 0.4 mg
1s average (-40 ºC ~ + 80 ºC, constant temperature) 0.6 mg
Zero bias Zero bias range 16 30 mg
Zero bias change in full temperature range, peak-to-peak value1 10 20 mg
Sequential start repeatability 1.0 mg
Daily start repeatability 1.6 mg
Zero-bias temperature coefficient 0.1 0.2 mg/ºC
Scale factor Scale factor accuracy 4 %
Scale factor nonlinearity 0.2 %FS
Speed random walk 0.058 m/s/√hr
Noise density 0.05 mg/√Hz
Resolution 1.221×10−8 g/LSB
Bandwidth 200 Hz
Magnetometer Magnetic field range Brg,xy ±1300 μT
Brg,z ±2500 μT
Resolution 0.3 μT
Heading and longitude 30 μT horizontal geomagnetic component, 25 ºC ±2.5 deg
Dynamic measuring range 2.5 gauss
Zero bias Non-magnetic environment 15 mgauss
Barometer Dynamic measuring range 300 1100 mbar
Zero bias 4.5 mbar
Communication interface 1-route SPI Baud rate 15 MHz
1-route UART Baud rate 230.4 Kbps
1-route 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 consumption 1.5 W
Ripple P-P 100 mV
Settling time From 0 V to 3.3 V 80 ms
Structural characteristics Size 47×44×14 mm
Weight 50 g
Use environment Operating temperature -40 80 ºC
Storage temperature -45 85 ºC
Vibration 20~2000Hz,6.06g
Impact 1000g,0.5ms
Reliability MTBF 20000 h
Continuous working time 120 h
1: Calculate the zero deviation of the whole temperature change process, the temperature change rate is ≤ 1 ºC/min, and the temperature range is -40 ºC ~ + 80 ºC;
2: Vibration condition is 6.06 G, 20Hz ~ 2000Hz