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ADXRS453BRGZ is a MEMS angular rate sensor by ADI

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ADXRS453BRGZ is a MEMS angular rate sensor by ADI

ADXRS453BRGZ - MEMS Angular Rate Sensor by Analog Devices Inc.
The ADXRS453BRGZ is a high-performance, digital-output single-axis gyroscope (MEMS angular rate sensor) manufactured by Analog Devices Inc. (ADI). Designed to precisely measure angular rate (rotational speed) around the Z-axis (yaw axis), it provides accurate rotational speed data in digital format via an SPI interface, even in environments with high levels of vibration and shock.
Key Specifications
FeatureSpecificationDetails / Significance
Device TypeZ-Axis (Yaw) MEMS GyroscopeMeasures rotational speed around the vertical axis.
Sensing Range±300°/sCan measure rotation rates up to 300 degrees per second in both directions.
Output TypeDigital (SPI)16-bit data word within a 32-bit SPI message. Provides noise resistance and easy interface with microcontrollers.
Supply Voltage3.15 V to 5.25 VWide operating range compatible with both 3.3V and 5V systems.
Supply Current6 mA (typical)Relatively low power consumption for its performance level.
Bandwidth77.5 HzDetermines the frequency range of the signals it can accurately measure.
Sensitivity80 LSB/°/sLeast Significant Bits per degree per second. Scales the digital output to the physical rate.
Vibration Rejection0.01°/sec/g (typical)Key feature: Exceptional immunity to linear acceleration and vibration.
Bias Stability16°/hourExcellent long-term stability of the zero-rate output.
Operating Temperature-40°C to +105°CWide temperature range suitable for industrial and automotive applications.
Shock Survival2000 gHigh robustness against mechanical shock.
Package16-lead SOIC_CAVPlastic cavity SOIC package for Z-axis response.
Typical Applications
  • Industrial Automation & Instrumentation: Rotation sensing in machinery, vibration monitoring for predictive maintenance, and motion control in robotic arms.
  • Aerospace and Defense: Inertial navigation systems (INS) for UAVs, satellites, and aircraft attitude control.
  • Automotive Safety Systems: Electronic Stability Control (ESC) and rollover detection/prevention systems.
  • Platform Stabilization: Drones, camera gimbals, and antenna positioning systems.
  • High-Vibration Environments: Internal combustion engines and heavy machinery.
ADXRS453BRGZ MEMS gyroscope package and components
Key Features and Advantages
  • Differential Quad-Sensor Design: Superior rejection of linear acceleration and vibration for reliable readings in noisy environments.
  • Internal Continuous Self-Test: Monitors health and functionality without external intervention.
  • Internal Temperature Compensation: Maintains accuracy across wide operating temperature range.
  • Digital SPI Output: Noise-immune digital signal simplifies design integration.
Development and Integration
Implementation Process:
  1. Hardware Design: Connect power supply (3.3V or 5V) and four-wire SPI interface to host microcontroller.
  2. Software Development: Write firmware to communicate over SPI, read data packets, and convert to engineering units.
  3. Calibration and Testing: System-level calibration for highest precision applications.
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