IMU115 is an inertial measurement unit (IMU) based on micro-mechanical technology (MEMS), with built-in high-performance MEMS gyroscope and MEMS accelerometer, outputting 3 angular velocities and 3 accelerations.
The IMU 115 has high reliability and strong environmental adaptability. By matching different software, the product can be widely used in intelligent driving, communication in motion, mapping, stable platform and other fields.
1. Product features
1) Three-axis digital gyroscope:
a) ± 250º/s dynamic measuring range (500 °/s optional);
b) Zero bias stability: 10 °/h (GJB, 10s, typical value), 6.0 °/h(ALLAN, typical value);
2) Triaxial digital accelerometer:
a) ± 4g dynamic measurement range (configurable 16g);
b) Zero-bias stability: 0.12 mg (GJB, 10s), 0.065 mg (ALLAN);
3) High reliability: MTBF > 20000h;
4) Guaranteed accuracy within the full temperature range (-40 ℃ ~ 80 ℃):
built-in high-performance temperature calibration and compensation algorithm;
5) Suitable for working under strong vibration conditions;
6) Interface 1-way UART.
2. Field of application
▶ Intelligent driving
▶ Communication in motion
▶ Mapping
▶ Stabilize the platform
3. Product indicators
Table 1 Product indicators
| Parameter | Test conditions | Minimum value | Typical value | Maximum value | Unit |
| Gyroscope | Dynamic measuring range | | | 250 | 500 | º/s |
| Zero bias
stability | Allan variance | | 3.0 | | º/h |
| 10 s average (-40 ℃ ~ + 80 ℃, constant temperature) | | 6.0 | | º/h |
| Zero bias | Zero bias
range | | ±0.2 | | º/s |
| Zero bias variation over
full temperature range1 | | ±0.3 | | º/s |
| Scale factor | Scale factor accuracy | | 0.2 | | % |
| Scale factor nonlinearity | | 0.02 | | %FS |
| Bandwidth | | | 80 | | Hz |
| Accelerometer | Dynamic measuring range | | | 4 | 16 | g |
| Zero bias
stability | Allan variance | | 0.065 | | mg |
| 10 s average (-40 ℃ ~ + 80 ℃,
constant temperature) | | 0.12 | | mg |
| Zero bias | Zero bias
range | | ±3 | | mg |
| Zero bias change in full
temperature range, peak-to-peak value1 | | ±6 | | mg |
| Scale factor | Scale factor accuracy | | 0.3 | | % |
| Scale factor nonlinearity | | 0.03 | | %FS |
| Bandwidth | | | 80 | | Hz |
| Communication interface | | | | | | |
| 1-way UART | Baud rate | | 115.2 | 460.8 | Kbps |
| Sampling frequency | | | | | |
| UART | | 200 | 1000 | Hz |
| Electrical characteristics | Voltage | | 4.5 | 5 | 5.5 | V |
| Power consumption | | | | 0.35 | W |
| Ripple | P-P | | | 20 | mV |
| Structural characteristics | Size | | | 22.4×22.4×9.5 | | mm |
| Weight | | | 16 | | g |
| Use environment | Operating temperature | | -40 | | 80 | ℃ |
| Storage temperature | | -45 | | 85 | ℃ |
| Vibration | | | 20~2000Hz,3g | | |
| Impact | | | 1000g,0.5ms | | |
| Reliability | MTBF | | | 20000 | | h |
| Continuous working time | | | 120 | | h |
| 1: Calculate the zero bias of the whole temperature change process, the temperature change rate is ≤ 1 ℃/min, and the temperature range is -40 ℃ ~ + 80 ℃; |
Outline Drawing
Product Tags:
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Automotive Grade MEMS IMU for Navigation System Images
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