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Telephone:+86-311-83933866
E-mail:jl.dong@mtmems.com
Address:No.1, Meitai Road, Luquan District, Shijiazhuang City
Micro-Inertial Measurement Unit (IMU Module)
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Product Classification:
Product Introduction
The MSI326 micro-inertial measurement unit employs MEMS technology and utilizes a comb-tooth variable-capacitance micromechanical structure. It boasts advantages such as small size, high sensitivity, low noise, and high stability. This device is used to measure acceleration information of moving objects as well as attitude information including angular velocity changes. Key features include: full-temperature-range temperature compensation, UART synchronous output, adjustable refresh rate up to 1000 Hz.
Performance metrics
Test conditions: Room temperature (23 ± 2℃)
| Spinning top | Accelerometer | System | ||||||
| Measurement range | ±450 | degrees per second | Measurement range | ±16 | g | Refresh rate | 1000 | Hertz |
| Zero bias over the entire temperature range (-40~+85℃) | 0.05 | degrees per second | Zero bias over the entire temperature range (-40~+85℃) | 2.5 | mg | |||
| Angular Random Walk | 0.15 | °/√h | Random walk with speed | 0.04 | (m/s)/√h | Supply voltage | 3.3 ± 0.1 | V |
| Zero-bias instability | 2 | °/h | Zero-bias instability | 40 | micrograms | |||
| Zero-bias repeatability | 10 | °/h | Zero-bias repeatability | 0.2 | mg | Current | 20 | mA |
| Scale error | 2 | % | Scale error | 2 | % | Operating temperature range | -45~+85 | Celsius |
| Nonlinear scale factor | 0.008 | %FS | Nonlinear scale factor | 0.02 | %FS | |||
| Bandwidth | 150 | Hertz | Bandwidth | 150 | Hertz | Storage temperature range | -45~+85 | Celsius |
| Three-axis orthogonal coupling error | 0.05 | ° | Three-axis orthogonal coupling error | 0.05 | ° | Weight | 15 | g |
Application fields
● Inertial Navigation: Integrated Navigation, Platform Stabilization
● Attitude control: drones, humanoid robots
● Automotive sector: autonomous driving, electronic stability control, flying cars
● Wind power, eVTOL
Outline Dimensions and Wiring Definitions
| Output interface wiring definition | ||
| Serial number | Definition | Instructions |
| 7 | TXD | UART output |
| 9 | RXD | UART input |
| 10, 11, 12 | VCC | Power supply 3.3V |
| 3, 4, 8, 15 | GND | Power ground |
| 1, 2, 5, 6, 13, 14 16, 17, 18, 19, 20 |
NC | N/A |
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No.1, Meitai Road, Luquan District, Shijiazhuang City