U3500 series is an IMU/VRU/AHRS sensor composed of high-performance MEMS-IMU, magnetometer, and enhanced single axis gyroscope. It is equipped with self-developed adaptive extended Kalman filter, IMU noise dynamic analysis algorithm, and carrier motion state analysis algorithm, which can meet the accuracy of attitude angle under high dynamic conditions and reduce heading angle drift.
Part No, :
U3500Order(MOQ) :
11. Product specification
Parameter |
U3500 |
Unit |
||||
Attitude Precision |
||||||
Pitch (±90°) |
0.1(normal), 0.2(max) |
° |
||||
Roll (±180°) |
0.1(normal), 0.2(max) |
° |
||||
Yaw (±180°) Static drift 2hrs (6DOF) ① Dynamic drift (6DOF) ② Magnetic assist (AHRS) ③ Rotation error (6DOF) ④ |
0.1(normal), 0.2(max) 5 2(normal), 3(max) <1(normal), <1.3(max) |
° ° ° ° |
||||
Resolution |
0.01 |
° |
||||
Note: ① Module horizontally stationary for 2 hours. ② The module was measured after 1 hour of movement on an indoor robot, 1σ ③ After geomagnetic calibration, the product needs to be configured in AHRS mode when there is no magnetic field interference in the surrounding area. ④ The turntable rotates continuously for 10 turns, and the heading angle accumulates error. |
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3-Axis Gyroscope |
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Measurement range |
±400 |
°/s |
||||
Full temperature zero bias stability (10s, 1σ) |
Z axis: 0.015~0.035 Y axis: 0.05~0.18 X axis: 0.03~0.08 |
°/s |
||||
Scale factor nonlinearity |
<40 |
ppm |
||||
Zero bias instability (Allan) |
5.1 |
°/h |
||||
Zero bias instability (10s, 1σ) |
3.06 |
°/h |
||||
Zero bias repeatability (Allan) |
0.09 |
°/s |
||||
Zero bias repeatability (10s, 1σ) |
0.054 |
°/s |
||||
Angle random walk (Allan) |
0.6 |
°/√h |
||||
Angle random walk (10s, 1σ) |
0.36 |
°/√h |
||||
3dB Bandwidth |
116 |
Hz |
||||
Sampling |
1000 |
Hz |
||||
Resolution |
16bit |
|
||||
Accelerometer sensitivity (All 3 axis) |
0.1 |
°/s/g |
||||
3-Axis Accelerometer |
||||||
Measurement range |
±12/±16/±24 (can be customized) |
g |
||||
Full temperature zero bias stability (10s, 1σ)@ -40-85℃ |
1 |
mg |
||||
Zero bias stability (10s, 1σ)? |
10 |
mg |
||||
Zero bias instability (Allan) |
60 |
μg |
||||
Zero bias repeatability (Allan) |
2.52 |
mg |
||||
Angle random walk (Allan) |
0.08 |
m/s/√h |
||||
Scale factor nonlinearity |
0.5 |
%FS |
||||
3dB Bandwidth |
145 |
Hz |
||||
Sampling |
1600 |
Hz |
||||
Resolution |
16bit |
|
||||
Magnetometer |
||||||
Range |
±8 |
Gauss |
||||
Resolution (Fs=2G) |
2 |
mGauss |
||||
Sampling |
200 |
Hz |
||||
Linearity (Best fitting straight line Fs=2G) |
0.1 |
Fs% |
||||
Temperature sensor |
Min |
Normal |
Max |
|
||
Range |
-104 |
|
150 |
℃ |
||
Offset error |
|
±1 |
|
K |
||
Electrical/Mechanical Interface |
||||||
Power supply |
5.5 |
V |
||||
Power consumption |
0.38 |
W |
||||
Starting time① |
2 |
s |
||||
Size |
22*22*10 |
mm |
||||
Weight |
<8 |
g |
||||
Shell material and process |
Aluminum alloy CNC |
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Environment protection |
RoHS Directive 2011/65/EU |
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EMC |
LVD Directive 2014/35/EU |
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Drop test |
Free fall 3 times on a 75cm high experimental platform |
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Temperature shock |
Raise the temperature from -40 to 85 ℃ within 1h, 5 times |
|||||
Note: ① Startup time refers to the time it takes for the system to shut down and output valid data. During this period, the module should be kept stationary |
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Interface |
Min |
Normal |
Max |
|
||
UART (TTL) |
Baud-rate |
9600 |
115200 |
921600 |
bps |
|
Starting position |
0 |
1 |
1000 |
bit |
||
Data length |
0 |
8 |
3.6 |
bits |
||
Stop bit |
|
1 |
|
bit |
||
Checksum |
|
None |
|
bit |
||
Output frame rate① |
0 |
100 |
1000 |
Hz |
||
Logic voltage: High Low |
2.0 |
3.3 |
3.6 0.6 |
V |
||
CAN |
Baud-rate② |
125 |
500 |
1000 |
kbps |
|
Output frame rate③ |
5 |
100 |
200 |
Hz |
||
Logic voltage: High Low |
2.0 |
3.3 |
3.6 0.6 |
V |
||
IO |
Logic voltage: High Low |
2.0 |
|
0.6 |
V |
|
Delay (trigger function) ④from trigger generation to data transmission |
|
|
800 |
us |
||
Note: ① The sensor supports 1, 5, 10, 50, 100, 200, 250, 500, 1000 Hz data output. ② The baud rates supported by CAN communication are 125K, 250K, 500K, and 1000K. ③ The sensor CAN communication supports 5,10,50,100,200Hz data output. ④ For multi-functional IO operations and configurations, please refer to the instruction and programming manual. |
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Environment |
||||||
Working temperature |
-40 ~ +80 |
℃ |
||||
Storage temperature |
-40 ~ +95 |
℃ |
||||
Anti-Vibration |
1.0mm(10Hz-58Hz) &≤20g(58Hz-600Hz) |
|
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Shock (duration <1ms) |
2000 |
g |
2. Product dimension
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