High Temperature MEMS Gyroscope Sensor Z Axis Angular Rate Sensor SPI Digital Output Small Size Inertial Sensor

M-XDR series is a Z-axis MEMS angular rate sensor (gyroscope) with a maximum range of up to ±2000°/s, and its digital output interface complies with the SPI slave protocol. The angular rate data is in 24-bit two's complement format.

M-XDR series is suitable for high-performance industrial applications. It uses an advanced differential MEMS design, which can eliminate the effects of linear acceleration and can operate in harsh environments with extreme shock and vibration.

The specially designed package can be soldered through the bottom or the front to simplify the system's structural design. When mounted on the bottom, the sensitive axis is perpendicular to the main circuit board. When mounted on the front, the sensitive axis is parallel to the main circuit board.

零件编号 :
M-XDR
订单（最小起订量） :
1

产品描述

Product Series and Parameters

Performance（Parameter）				Unit	Notes
Model	M-XDR-D0	M-XDR-D1	M-XDR-D2
Package	7.8 x 5.8 x 3			mm
Axial	Z
Measurement Range	500	1000	2000	deg/s	Clockwise rotation is positive output,Clamped at ±105%FS during over-range
Resolution	24bit	24bit	24bit	bits
Data Rate	18Khz	18Khz	18Khz	Hz	Refresh rate of the output data at room temperature
Group delay	<2	<2	<2	ms	Time delay between the physical input and the output signal
Bandwidth (-3dB)	≥170	≥170	≥170	Hz	Defined as the frequency for which attenuation is >-3dB
Bandwidth (-90 degree phase lag)	≥130	≥130	≥130	Hz	Bandwidth (@ -90° phase lag) (Hz)
Scale Factor at 25°C	16000	8000	4000	lsb/deg/s	factory setting
Scale Factor Repeatability (1σ )	<25	<20	<15	ppm	day by day at setting Temp(1σ )
Scale Factor VS Temperature (1σ )	<50	<50	<50	ppm	Over temperature range（1σ）
Scale Factor Non-Linearity(1σ )	<100	<100	<100	ppm	Percentage of dynamic range using a best straight line fit
Bias Instability	0.25	0.3	1	deg/hr	Allan Variance @25°C
Bias stability @10s	2.5	3	5	deg/hr	10s smoothing per GJB (Chinese Military Standard)
Bias stability @1s	7.5	9	15	deg/hr	1s smoothing per GJB (Chinese Military Standard)
Angular Random Walk	<0.125	<0.15	<0.25	°/ √h	Allan Variance @25°C
Bias error over temperature(1σ )	<50	<50	<100	deg/Hr	Over temperature range（1σ）
Bias temperature variations, calibrated(1σ )	<10	<10	<30	deg/Hr	Over temperature range（1σ）
Bias Run-Run(1σ )	<1.5	<2	<3	deg/hr	day by day at setting Temp(1σ )
Noise Peak to Peak	1	1	2	deg/s	Over the Bandwidth frequency range, at room temperature
G Sensitivity	<1	<1	<1	°/hr/g	Any axis，Tested over ±1g
VRE(Vibration rectification error)	<1	<1	<1	°/hr/g（rms）	（12gRMS，20-2000）
Startup Time	500m	500m	500m	s	Time to operational output
Environment, Power and Physical
Shock (operating)	3000g,1ms
Shock (survival)	6000g,10ms
Vibration Operating	20grms，Screening spectrum
Operating Temperature	-40° ~ ＋150°
Max storage (survival) Temperature	-60° ~ ＋150°
Supply voltage	3.3±0.3V
Current consumption	40mA

Packaging information

Figure 1 LCC20V Package Dimensions (Unit: mm)

Figure 2 Proposed PCB Design (Unit: mm)

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.

Aerospace

Aviation

Weapon

FAQ

Q1: How does gyro bias instability affect long-term navigation accuracy?

Engineering: Bias instability (Type A ≤0.03°/h) represents cumulative drift per hour. Small values (e.g., 0.03°/h) mean 0.72° error over 24 hours. Commercial: In autonomous vehicles, this prevents route deviation, reducing rework and improving safety during 24/7 operations.

Q2: What’s the difference between ARW and bias instability in practical use?
Engineering: ARW (≤0.003°/√h) measures high-frequency noise (e.g., vibration-induced jitter), while bias instability (≤0.03°/h) measures slow drift (e.g., temperature changes). Commercial: In drone (改为 “industrial robot”) control, ARW ensures smooth arm movements, while low bias prevents path deviations, both critical for precision tasks.

Q3: How does temperature affect zero bias drift?
Engineering: The 16-bit temperature sensor monitors chip temp, and on-chip algorithms correct drift in -40°C to +85°C. Commercial: In outdoor monitoring towers, extreme day/night temp swings cause minimal error, maintaining camera stabilization without fan cooling.

热门标签 :

MEMS单轴陀螺仪

高精度单轴陀螺仪

基于MEMS的陀螺仪传感器

用于运动传感的微型陀螺仪

单轴陀螺仪在机器人技术中的应用

用于惯性测量单元的MEMS陀螺仪

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