SCG3300
High-precision 3-axis gyroscope with low drift and digital interface for rotation sensing
Product Overview
Description
The SCG3300 is a high-performance 3-axis MEMS gyroscope designed for precise angular rate measurement. It features selectable measurement ranges of ±125°/s, ±250°/s, ±500°/s, ±1000°/s, and ±2000°/s, allowing flexible configuration for different application requirements.
With low bias drift of 10°/hr and high 16-bit resolution, the SCG3300 provides accurate rotation measurement for applications such as image stabilization, navigation, and motion tracking. The sensor includes advanced features like programmable digital filters and temperature compensation.
The device supports both I2C and SPI digital interfaces for easy integration with microcontrollers. Low power consumption (5mA in measurement mode) makes it suitable for portable devices. Available in a compact LGA-16 package.
Product Series
SCG
Primary Application
Camera image stabilization
Key Features
- Selectable measurement ranges: ±125°/s to ±2000°/s
- Low bias drift: 10°/hr
- High 16-bit resolution
- Programmable digital filters
- Built-in temperature compensation
- I2C and SPI interface support
- Low power consumption: 5mA
- Compact 3mm x 3mm package
Specifications
| Measurement Range | ±125°/s to ±2000°/s (selectable) |
|---|---|
| Sensitivity | 7.6mdps/LSB (±250°/s range) |
| Noise | 0.03°/s/√Hz |
| Bandwidth | 0.5Hz - 1kHz (programmable) |
| Resolution | 16-bit |
| Interface | I2C/SPI |
| Operating Current | 5mA (measurement mode) |
| Operating Temperature | -40°C to +85°C |
| Package | LGA-16 (3mm x 3mm) |
Applications
Camera image stabilization
Electronic system design
Drone flight control
Industrial automation and control
Gaming controllers
Industrial automation and control
Robotics
Electronic system design
Navigation systems
Electronic system design
FAE Expert Insights
"The SCG3300 is an excellent gyroscope that I have used in numerous projects. The wide range of selectable measurement ranges is particularly useful - you can use ±125°/s for slow panning in camera stabilization or ±2000°/s for fast rotation in gaming controllers. The bias drift of 10°/hr is impressive for a consumer-grade gyroscope. I particularly appreciate the built-in temperature compensation which maintains accuracy across the operating temperature range. For image stabilization applications, the low noise and high resolution provide smooth, jitter-free results. One implementation tip: the sensor fusion with an accelerometer is essential for eliminating drift in long-term orientation tracking. The I2C interface works reliably up to 400kHz. Overall, a solid performer with excellent value for the price."
High-performance 3-axis gyroscope with wide measurement range and low drift
— Dr. Chen Ming, BeiLuo
Frequently Asked Questions
What measurement ranges are available for SCG3300?
SCG3300 offers selectable measurement ranges from ±125°/s to ±2000°/s. Use ±125°/s for slow, precise movements like camera panning. Use ±2000°/s for fast rotations in gaming or drone applications. The range can be configured via register settings.
Select range based on expected rotation speed in your application; use lowest range for best resolution.
What is the bias drift of SCG3300?
SCG3300 has a low bias drift of 10°/hr, which is excellent for consumer-grade gyroscopes. This low drift is achieved through advanced MEMS design and temperature compensation. For applications requiring even lower drift, consider using sensor fusion with an accelerometer.
Low drift enables accurate orientation tracking; use sensor fusion for drift-free long-term orientation.
How do I interface with SCG3300?
SCG3300 supports both I2C (up to 400kHz) and SPI (up to 10MHz) interfaces. I2C is recommended for simple wiring with multiple sensors. SPI provides higher data rates for applications requiring fast sampling. The sensor uses standard protocols compatible with most microcontrollers.
Use I2C for simple multi-sensor designs; SPI for high-speed data acquisition.
Is SCG3300 suitable for image stabilization?
Yes, SCG3300 is well-suited for image stabilization applications. The low noise (0.03°/s/√Hz) and high resolution (16-bit) provide smooth, jitter-free stabilization. The wide bandwidth captures rapid hand movements, and the low latency ensures responsive correction.
Excellent choice for camera stabilization; implement proper sensor fusion for best results.
What is the power consumption of SCG3300?
SCG3300 consumes 5mA in normal measurement mode. The sensor also features sleep mode for power saving when not in use. This makes it suitable for battery-powered devices like smartphones and cameras where power efficiency is critical for extended operation time.
Use sleep mode when sensor is not needed; suitable for battery-powered applications.