Economical MEMS Gyroscope

ER-MG-056 (1°/h)
1. 1°/hr bias instability;
2. 0.25°/√hr angular random walk;
3. 5°/hr bias stability.

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Introduction

ER-MG-056 Economical MEMS Gyroscope

Introduction
The ER-MG-056, a low cost Tactical Grade MEMS Gyro with 1 °/hr bias of instability and 0.25°/√h of angular random walk, is a single-axis MEMS angular rate sensor (gyroscope) capable of measuring angular velocity up to a maximum of ±400°/s with digital output compliant to SPI slave mode 3 protocol. Angular rate data is presented as a 24-bit word.
The ER-MG-056 is intended for industrial, instrumentation, stabilization, and other high performance applications. An advanced, differential sensor design rejects the influence of linear acceleration, enabling the ER-MG-056 to operate in exceedingly harsh environments where shock and vibration are present.
The ER-MG-056 is available in a hermetically sealed ceramic LCC surface mount package, and is capable of operating at 5V supply and a wide temperature range (−40°C to +85°C).

Features
Proven and robust silicon MEMS gyro
Up to ±400°/s measurement range
1°/hr bias instability
0.25°/√hr angular random walk
Digital output (SPI slave)
5V operation (4.75~5.25V supply)
Low power consumption (35 mA)
High shock and vibration rejection
Hermetically sealed ceramic LCC surface mount package (11 x 11 x 2mm)
Integrated temperature sensor
RoHS compliant

Applications
Azimuth, attitude, position measuring and keeping in GNSS-assisted INS
Heading, pitch, roll measuring in AHRS for UAV
Motion survey and keeping in MRU
Attitude& azimuth keeping, positioning in IMU
Guidance, navigation, control in tactical MEMS system
Stabilizing & pointing in satellite antenna, target tracking system
Robotic control & orientation in autonomous machines, unmanned vehicles

Specifications

Parameters	ER-MG-056	Unit
Input range	400	dps
Bandwidth	200	Hz
Data output rate	2K	Hz
Latency	2	ms
Scale factor	20000	LSB/°/s
Scale factor non-linearity	200	ppm
Scale factor temp drift (1σ)	±500	ppm
Scale factor repeatability (1σ)	<10	ppm
Bias temp drift (1б)	50	dph
Bias temp drift (1б) (After temp compensation)	20	dph
Bias instability	1	dph
Bias stability (1б 10s)	5	dph
Bias stability (1б 1s)	15	dph
Bias repeatability	5	dph
RMS noise (1-200Hz)	0.1	dps
Random walk (ARW)	0.25	°/√h
Start up time	0.8	s
G-sensitivity	5	dph/g
Vibration Rectification Error	1	°/h/g²rms
Shock	12g	rms
Vibration	1000g 5ms 1/2 sine	/
Operation temperature	-40~85	°C