Shenzhen Fire Power Control Technology Co., LTD
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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) 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.
▶ Communication in motion
▶ Mapping
▶ Stabilize the platform
Table 1 Product indicators
| Parameter | Test conditions | Minimum value | Typical value | Maximum value | Unit | |
| Gyroscope | Dynamic measuring range |
|
| 250 | 500 | º/s |
| Zero bias | Allan variance |
| 3.0 |
| º/h | |
| 10 s average (-40 ℃ ~ + 80 ℃, constant temperature) |
| 6.0 |
| º/h | ||
| Zero bias | Zero bias |
| ±0.2 |
| º/s | |
| Zero bias variation over |
| ±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 | Allan variance |
| 0.065 |
| mg | |
| 10 s average (-40 ℃ ~ + 80 ℃, |
| 0.12 |
| mg | ||
| Zero bias | Zero bias |
| ±3 |
| mg | |
| Zero bias change in full |
| ±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
