Motion Sensors - Gyroscopes

Image Part Number Description / PDF Quantity Rfq
GYPRO2300LD

GYPRO2300LD

Tronics

MEMS GYRO Z-AXIS (YAW) 30-CLCC

93

ADXRS612BBGZ

ADXRS612BBGZ

Analog Devices, Inc.

ANGULAR RATE SENSOR

6879

ADXRS453BEYZ

ADXRS453BEYZ

Analog Devices, Inc.

IC GYROSCOPE ANGULAR CLCC

385

ITG-3400

ITG-3400

TDK InvenSense

MEMS GYROSCOPE 3-AXIS 24QFN

0

ADXRS646TBGZ-EP

ADXRS646TBGZ-EP

Analog Devices, Inc.

IC GYROSCOPE YAW RATE 32CBGA

183

ADXRS810WBRGZ-RL

ADXRS810WBRGZ-RL

Analog Devices, Inc.

IC GYROSCOPE

0

FXAS21002CQR1

FXAS21002CQR1

Freescale Semiconductor, Inc. (NXP Semiconductors)

DIGITAL ANGULAR RATE GYROSCOPE,

7556

ADXRS623BBGZ

ADXRS623BBGZ

Analog Devices, Inc.

IC GYROSCOPE YAW RATE 32CBGA

849

ADXRS290BCEZ

ADXRS290BCEZ

Analog Devices, Inc.

IC GYROSCOPE YAW RATE 18LGA

353

ADXRS622WBBGZ

ADXRS622WBBGZ

Analog Devices, Inc.

ANGULAR RATE SENSOR

201

ADIS16266BCCZ

ADIS16266BCCZ

Analog Devices, Inc.

DIGITAL GYOSCOPE SENSOR

714

ADIS16135BMLZ

ADIS16135BMLZ

Analog Devices, Inc.

MODULE GYRO W/CONN

45

ADIS16060BCCZ

ADIS16060BCCZ

Analog Devices, Inc.

IC GYROSCOPE YAW RATE SPI 16LGA

131

ADXRS612BBGZ-RL

ADXRS612BBGZ-RL

Analog Devices, Inc.

ANGULAR RATE SENSOR

380

ADXRS620BBGZ-RL

ADXRS620BBGZ-RL

Analog Devices, Inc.

IC GYROSCOPE YAW RATE 32-CBGA

1804

ADIS16133BMLZ

ADIS16133BMLZ

Analog Devices, Inc.

PRECISION ANGULAR RATE SENSOR

158

LY3200ALHTR

LY3200ALHTR

STMicroelectronics

IC GYROSCOPE MEMS SGL LP 10LGA

5011

ADXRS623BBGZ-RL

ADXRS623BBGZ-RL

Analog Devices, Inc.

IC GYROSCOPE YAW RATE 32CBGA

1000

IAM-20380

IAM-20380

TDK InvenSense

SENSOR GYROSCOPE

9601

ADXRS649BBGZ

ADXRS649BBGZ

Analog Devices, Inc.

IC GYROSCOPE YAW RATE 32CBGA

561

Motion Sensors - Gyroscopes

1. Overview

Gyroscopes are angular velocity sensors measuring rotational motion in degrees per second ( /s) or radians per second (rad/s). Based on Coriolis effect principles, they detect orientation changes through vibrating structures' inertial forces. Modern applications span navigation systems, consumer electronics, automotive safety, and industrial automation, enabling critical functions like stabilization, motion tracking, and inertial measurement.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Micromachined Gyroscopes (MEMS)Miniature size, low power consumption, digital outputSmartphones, drones, wearable devices
Fiber Optic Gyroscopes (FOG)High accuracy (0.001 /hr), immunity to electromagnetic interferenceAerospace navigation, submarine systems
Laser Ring Gyroscopes (LRG)Ultra-high precision (0.0001 /hr), no moving partsMissile guidance, aircraft inertial reference
Vibrating Wheel GyroscopesMechanical resonance with temperature compensationIndustrial robotics, autonomous vehicles

3. Structure and Composition

Typical MEMS gyroscope construction includes:

  • Vibrating proof mass suspended by spring structures
  • Capacitive/electromagnetic drive and detection circuits
  • Vacuum-sealed MEMS die with hermetic packaging
  • Signal conditioning ASIC for Coriolis force detection
  • Digital interface (I2C/SPI) for system integration

FOG/LRG variants employ fiber coils/laser cavities with photonic detection systems.

4. Key Technical Specifications

ParameterImportance
Measurement Range ( /s)Determines maximum detectable rotation rate
Angle Random Walk ( / hr)Quantifies noise performance
Bias Instability ( /hr)Measures long-term stability
Bandwidth (Hz)Defines dynamic response capability
Non-linearity (% FS)Affects measurement accuracy
Temperature Range ( C)Environmental operating limits

5. Application Fields

  • Consumer Electronics: Image stabilization, gesture control
  • Automotive: Electronic Stability Program (ESP), dead reckoning
  • Industrial: Robotics, vibration analysis
  • Aerospace: Flight control systems, satellite attitude control
  • Medical: Surgical tool orientation monitoring

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Specifications
Bosch SensortecBMF055 2000 /s range, 16-bit output, 1.7-3.6V supply
STMicroelectronicsLSM6DSO 4000 /s range, 0.008 /s resolution
HoneywellGG1320Fiber optic, 0.01 /hr bias instability
Analog DevicesADXRS450Digital output, 300 /s full-scale range

7. Selection Guidelines

Key selection criteria include:

  • Application-specific accuracy requirements
  • Environmental conditions (vibration, temperature)
  • Interface compatibility (analog/digital)
  • Power consumption constraints
  • Calibration requirements
  • Cost vs. performance trade-offs

Application Case Studies

1. Autonomous Vehicles: Dual MEMS gyroscopes in inertial navigation systems provide redundant rotation rate measurements for accurate dead reckoning.

2. Augmented Reality: 6-axis IMUs with gyroscopes enable sub-degree level head tracking at 1ms latency.

3. Industrial Robotics: High-bandwidth gyroscopes (2000Hz+) optimize joint motion control with 0.01 precision.

Industry Trends

Current developments focus on:

  • Advanced MEMS fabrication techniques (e.g., 3D wafer bonding)
  • Multi-sensor fusion with AI-based sensor calibration
  • 5G-enabled edge computing integration
  • Quantum gyroscope research for sub-nanoRAD sensitivity
  • Energy-harvesting designs for IoT applications

Market projections indicate 8.7% CAGR through 2027, driven by autonomous systems and AR/VR adoption.

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