ADXL203:  Precision ±1.7g Dual-Axis iMEMS® Accelerometer

The ADXL103/ADXL203 are high precision, low power, complete single- and dual-axis accelerometers with signal conditioned voltage outputs, all on a single, monolithic IC. The ADXL103/ADXL203 measure ...More

New! Tighter specifications on sensitivity, cross-axis sensitivity, and non-linearity.

ADXL203:  Precision ±1.7g Dual-Axis iMEMS® Accelerometer

Product Description

The ADXL103/ADXL203 are high precision, low power, complete single- and dual-axis accelerometers with signal conditioned voltage outputs, all on a single, monolithic IC. The ADXL103/ADXL203 measure acceleration with a full-scale range of ±1.7 g. The ADXL103/ADXL203 can measure both dynamic acceleration (for example, vibration) and static acceleration (for example, gravity).

The typical noise floor is 110 µg/√Hz, allowing signals below 1 mg (0.06° of inclination) to be resolved in tilt sensing applications using narrow bandwidths (<60 Hz).

The user selects the bandwidth of the accelerometer using Capacitor CX and Capacitor CY at the XOUT and YOUT pins. Bandwidths of 0.5 Hz to 2.5 kHz may be selected to suit the application.

The ADXL103 and ADXL203 are available in 5 mm × 5 mm × 2 mm, 8-pad hermetic LCC packages.

Applications
  • Vehicle dynamic control (VDC)/electronic stability program (ESP) systems
  • Electronic chassis control
  • Electronic braking
  • Platform stabilization/leveling
  • Navigation
  • Alarms and motion detectors
  • High accuracy, 2-axis tilt sensing
  • Features

    • High performance, single-axis accelerometer on a single IC chip
    • 5 mm × 5 mm × 2 mm LCC package
    • 1 mg resolution at 60 Hz
    • Low power: 700 µA at VS = 5 V (typical)
    • High zero g bias stability
    • High sensitivity accuracy
    • –40°C to +125°C temperature range
    • X and Y axes aligned to within 0.1° (typical)
    • BW adjustment with a single capacitor
    • Single-supply operation
    • 3500 g shock survival
    • RoHS-compliant

    Diagrams

    ADXL203 Diagram
    Functional Block Diagram for ADXL203

    Specifications

    # of Axes 2
    Range +/- 1.7g
    Sensitivity 1000 mV/g
    Sensitivity Accuracy (%) ±4n/a
    Output Type Analog
    TypicalBand Width (kHz) 2.5kHz
    Noise Density (°/s/rtHz) 110
    Voltage Supply (V) 3 to 6
    Supply Current (max) 0.7mA
    Temp Range (°C) -40 to 125°C
    Package E-8

    Explore Other Products

    ADXL001 - High Performance Wide Bandwidth iMEMS® Accelerometer

    ADIS16209 - High Accuracy, Dual-Axis Digital Inclinometer & Accelerometer

    ADXL330 - Small, Low Power, 3-Axis ±3g iMEMS® Accelerometer

    ADXL180 - Configurable, High-g, iMEMS® Accelerometer

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    • Military : -55 to +125 degrees Celsius
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    • Automotive: -40 to +125 degrees Celsius
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    RoHS Compliant
    Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

    The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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