High Performance MEMS Gyro For North-Seeking

ER-MG2-100 Features
Proven and robust silicon MEMS gyro;
0.02°/hr bias in-run stability;
0.005°/√hr Angular Random Walk;

Product Details

ER-MG2-100 High Performance MEMS Gyro For North-Seeking


Introduction

The ER-MG2-100 is a single-axis MEMS angular rate sensor (gyroscope) capable of measuring angular velocity up to a maximum of ±100°/s with digital output compliant to SPI slave mode 3 protocol. Angular rate data is presented as a 24-bit word.

The ER-MG2-100 is intended for north seeking applications. An advanced, differential sensor design rejects the influence of linear acceleration, enabling the ER-MG2-100 to operate in exceedingly harsh environments where shock and vibration are present.

The ER-MG2-100 is available in a hermetically sealed ceramic LCC surface mount package, and is capable of operating at 5 V supply and a wide temperature range (−50°C to +85°C).

 

Features

Proven and robust silicon MEMS gyro

0.02°/hr bias in-run stability

0.005°/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

 

Specification

Item

Unit

Specification

Range

deg/s

100

BandwidthBW@3DB Customizable

Hz

50

Output AccuracyDigital SPI

bits

24

Data Output Rate(ODR)Customizable

Hz

500

DelayCustomizable

ms

<10

Bias StabilityAllan Curve @Room Temp

deg/hr(1σ )

<0.02

Bias Stability10s standard deviation @Room   Temp

deg/hr(1σ )

<0.1

Bias Stability1s standard deviation @Room   Temp

deg/hr(1σ )

<0.3

Bias Drift

deg/Hr/°C

0.5

Bias DriftAfter temp compensation

deg/Hr/°C

0.05

Bias RepeatabilityRoom Temp

deg/hr(1σ )

0.1

Scale Factor RepeatabilityRoom Temp

ppm(1σ )

<100ppm

Scale Factor Temp Drift1sigma

ppm

±500ppm

Scale Factor NonlinearityFull Temp

ppm

<300ppm

Random WalkARW

°/ √h

<0.005

Resolution

°/hr

0.01

Bandwidth NoisePeak to Peak

deg/s

±0.15

G-value Sensitivity

°/hr/g

<1

Vibration Rectification   Error(12gRMS20-2000

°/hr/grms

<1

Power-on TimeValid Data

s

1

Environment Feasibility

Shockcharged

200g (1ms, 1/2 sine)

Shock Resistanceuncharged

1.8wg 3ms

Vibrationcharged

12g rms (20Hz to 2kHz)

Operation Temp

-45°C——+85°C

Storage Temp

-55°C——+105°C

Physical Specification

Size

11x11x2.5mm

Package

LCC

Interface

SPI



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