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Q: Should I choose LSM6DSOTR or LSM6DSOXTR?
A: Choose the LSM6DSOTR if you need the core IMU performance (3.8 mdps/√Hz gyro, 9 KB FIFO, I3C) at the most competitive price and do not require on-chip ML/FSM processing. Choose the LSM6DSOXTR if you plan to use the MLC for on-IMU flight mode detection, vibration anomaly monitoring, or crash re
Q: Is the LSM6DSOTR compatible with Betaflight RPM filtering?
A: Yes. The LSM6DSOTR's 3.8 mdps/√Hz noise floor and 6.66 kHz ODR provide clean gyro data for Betaflight's bidirectional DShot RPM filter, dynamic notch filter, and gyro-based RPM filter — all features work identically to the LSM6DSOX/DSO32/DSR variants.
Q: What is the difference between LSM6DSOTR and LSM6DSRTR?
A: Both offer similar core performance (3.8 vs 3.5 mdps/√Hz gyro noise, 9 KB vs 9 KB FIFO). The LSM6DSRTR adds MLC and FSM at a slightly higher cost. For applications not using on-chip AI, the LSM6DSOTR provides nearly identical gyro/accel performance at a lower price point.
The LSM6DSOTR is STMicroelectronics' mainstream high-performance 6-axis IMU, forming the foundation of the LSM6DSO platform that powers a broad range of drone flight controllers. With 3.8 mdps/√Hz gyro noise, 80 µg/√Hz accel noise, 9 KB FIFO, and MIPI I3C support, it delivers the core IMU performance that Betaflight, iNav, and ArduPilot drone ecosystems demand. As the baseline LSM6DSO variant, it provides the essential features without the ML Core (MLC) or Finite State Machine (FSM) of the “X” variants — making it the cost-optimized choice for flight controllers that require premium gyro/accel performance without on-chip AI processing. In the drone ecosystem, the LSM6DSOTR is the reference mainstream IMU for: (1) Betaflight F4/F7 flight controllers
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | LSM6DSOTR |
| Type | 6-Axis IMU: Accel + Gyro |
| Accel Range | ±2/4/8/16 g |
| Gyro Range | ±125/250/500/1000/2000 dps |
| Accel ODR | 1.6 Hz – 6.66 kHz |
| Gyro ODR | 12.5 Hz – 6.66 kHz |
| Gyro Noise | 3.8 mdps/√Hz |
| Accel Noise | 80 µg/√Hz |
| FIFO | 9 KB |
| Interface | I²C (1 MHz) / SPI (10 MHz) / MIPI I3C |
| Current | 0.55 mA (combo HP) |
| Supply | 1.71V – 3.6V |
| Package | LGA-14 (2.5×3×0.83 mm) |
| Temperature | −40°C to +85°C |
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