High Precision MEMS Single Axis Gyroscope Sensor SPI Digital Output Ceramic Package Inertial Measurement Sensor

The MGZ-XXXX silicon-based MEMS gyroscope adopts a compact 48-pin ceramic package and advanced MEMS sensing technology. This high precision single-axis gyroscope features high accuracy, excellent stability, low noise performance, wide temperature adaptability, and reliable digital output, providing accurate angular velocity measurement for demanding inertial applications.

  • 零件编号 :

    MGZ-XXXX
  • 订单(最小起订量) :

    1
  • 产品描述

Product Series and Parameters

Parameters MGZ-025 MGZ-101 MGZ-201 MGZ-301 MGZ-501 MGZ-302 MGZ-502 MGZ-503 MGZ-401 Unit Notes
Measurement Range 25 100 200 300 500 300 500 500 400 deg/s Clockwise rotation is positive output,Clamped at ±105%FS
during over-range
Resolution 24 24 24 24 24 24 24 24 24 bits  
Data Rate 11.5k-12.5K 11.5k-12.5K 11.5k-12.5K 11.5k-12.5K 11.5k-12.5K 11.5k-12.5K 11.5k-12.5K 11.5k-12.5K 11.5k-12.5K Hz Refresh rate of the output data at room temperature
Group delay 50 10 5 3 3 3 2 2 1.1 ms Time delay between the physical input and the output signal
Bandwidth (-3dB) 12 25 50 90 90 90 140 140 400 Hz Defined as the frequency for which attenuation is >-3dB
Scale Factor at 25°C 320000 80000 40000 27000 16000 27000 16000 16000 20000 lsb/deg/s factory setting
Scale Factor Repeatability (1σ ) 100 100 100 100 100 50 30 20 100 ppm day by day at setting Temp(1σ )
Scale Factor VS Temperature (1σ ) 300 300 300 300 300 50 50 50 300 ppm Over temperature range
Scale Factor Non-Linearity (1σ ) 100 100 150 100 100 100 50 50 100 ppm Percentage of dynamic range using a best straight line fit
Bias Instability 0.011 0.013 0.022 0.033 0.044 0.066 0.099 0.11 0.1 deg/hr Allan Variance @25°C
Bias stability @10s 0.033 0.044 0.077 0.11 0.12 0.22 0.33 0.66 0.3 deg/hr 10s smooth GJB
Bias stability @1s 0.099 0.133 0.22 0.33 0.36 0.66 0.99 1.99 0.9 deg/hr 1s smooth GJB
Angular Random Walk 0.0016 0.0022 0.0033 0.0055 0.006 0.011 0.016 0.033 0.015 °/ h Allan Variance @25°C
Bias error over temperature (1σ ) 1 1.5 2 3 3 3 3 3 3 deg/Hr Over temperature range
Bias temperature variations, calibrated (1σ ) 0.1 0.15 0.2 0.3 0.5 0.3 0.5 0.5 0.5 deg/Hr Over temperature range
Bias Run-Run (1σ ) 0.06 0.075 0.1 0.15 0.2 0.15 0.2 0.2 0.3 deg/hr day by day at setting Temp(1σ )
Noise Peak to Peak 0.002 0.005 0.015 0.06 0.1 0.1 0.1 0.1 0.225 deg/s Over the Bandwidth frequency range, at room temperature
g Sensitivity 0.3 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 °/hr/g Any axisTested over ±1g
VRE 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 °/hr/grms 12gRMS20-2000
Startup Time 900m 900m 900m 900m 900m 900m 900m 900m 900m s Time to operational output
Environment, Power and Physical
Shock (operating) 500g1ms
Shock (survival) 6000g10ms
Vibration Operating 18grmsScreen spectrum
Operating Temperature -40 ~ +85can be customized to -55 ~+125deg
Max storage (survival) Temperature -60 ~ +125
Supply voltage 5±0.25V
Current consumption 45ma
Dimension 11*11*3mm

Packaging information

 

MG-XXXX adopts 48 pin ceramic packaging

 

Figure 1 Packaging Diagram

Figure 2 Packaging Size Diagram


Application Scenarios

MEMS Gyroscopes application

The MG501 is a high-performance single-axis MEMS gyroscope that outputs angular velocity and temperature data via SPI, suitable for high-precision rotational measurement and applications such as inertial navigation and attitude stabilization.

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FAQ

Q1: How does bias instability affect long-term navigation accuracy?
Engineering: Bias instability (≤0.03°/h) causes cumulative errors over time. Commercial: In industrial automation, 0.03°/h drift over 100 hours leads to ≤3° positioning error, critical for conveyor alignment.
 
Q2: What’s the difference between ARW and bias instability?
Engineering: ARW (≤0.003°/√h) is short-term random noise; bias is long-term zero offset. Commercial: ARW ensures smooth arm movements, while bias prevents drift in factory-line tracking systems over shifts.
 
Q3: How does temperature impact zero offset drift?
A:Engineering: Thermal drift (≤0.02°/h/°C) is corrected via -40°C~+85°C calibration. Commercial: In outdoor weather stations, temperature swings from -40°C to +85°C maintain ≤0.02°/h drift, ensuring accurate tilt measurements.
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