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Linear output GMR sensors

Linear output GMR sensors



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  1. AA Series Analogue GMR Sensors

    AA Series Analogue GMR Sensors

    NVE’s AA Series of analogue Giant MagnetoResistive (GMR) sensors offer unique and unparalleled magnetic sensing capabilities.  Utilizing NVE’s patented GMR materials and on-chip flux concentrators to provide a directionally sensitive output signal, these sensors are characterized by high sensitivity to applied magnetic fields, excellent temperature stability, low power consumption, and small size, making them suitable for use in a wide variety of applications from rugged industrial and automotive position, speed, and current sensors, to low-voltage, battery-powered sensors for use in hand-held instrumentation and implantable medical devices.

    The AA-Series sensors are sensitive in one direction in the plane of the IC, with a cosine-scaled falloff in sensitivity as the sensor is rotated away from the sensitive direction. Also, these devices provide the same output for magnetic fields in the positive or negative direction along the axis of sensitivity (omnipolar output).   All GMR sensors are designed in a Wheatstone bridge configuration to provide temperature compensation.

    • 1.5Oe to 100Oe sensitivity range
    • DC to >1MHz frequency response
    • Operating temperature range: -50°C to +125°C
    • Input voltage range of ±25V
    • SOIC8 and MSOP8 packages (die-form available for custom applications)
    More Info
  2. AAH series GMR low field sensor 6-15 Oe,5K

    AAH series GMR low field sensor 6-15 Oe,5K

    Giant Magnetoresistive (GMR) Field Sensors offer unique and unparalleled magnetic sensing capabilities. The high sensitivity and ability to sense static magnetic fields provides superior performance which sets them apart from other sensors on the market tIdeal for proximity sensing, magnetic media detection and position sensing.

    • 0-6 Oe & 0-15 Oe operating range
    • DC->1MHz frequency response
    • Operating temperature to 150°C
    • Easy to use bridge configuration
    More Info
  3. AAL series GMR sensor 2% low hysteresis

    AAL series GMR sensor 2% low hysteresis

    This series offers an 'analogue' output with change in magnetic field strength. Ideal for proximity sensing, magnetic media detection and position sensing.

    • 2% max. hysteresis
    • 0-15 Oe
    • DC to >1MHz frequency response
    • Easy to use bridge configuration
    More Info
  4. AAT001-10E rotational angle sensor

    AAT001-10E rotational angle sensor

    Each sensor element has a resistance of approximately 1.25 megaohms. Outputs are proportional to the supply voltage and peak-to-peak output voltages are much larger than other sensor technologies. The part is packaged in a 2.5 mm x 2.5 mm x 0.8 mm TDFN6 surface mount package. Applications include:

    • Rotary encoders
    • Automotive rotary position sensors
    • Knob position sensors
    • Sine and cosine outputs
    • High output signal
    • Extremely low power
    • Wide airgap tolerance
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  5. AAT003-10E TMR angle sensor

    AAT003-10E TMR angle sensor

    The AAT003-10E angle sensor is a low power, high output magnetic sensor element for position measurements when a rotating magnetic field is applied. Sine and cosine signals are available for a quadrature output. The sensor element has a resistance of approximately 40 KΩ, allowing a relatively low-noise interface to signal-processing circuitry while still maintaining low power operation. Outputs are proportional to the supply voltage and peak-to-peak output voltages are much larger than other sensor technologies. The part is packaged in NVE’s 2.5 mm x 2.5 mm x 0.8 mm TDFN6 surface-mount package. More Info
  6. AB series magnetic field gradient sensor

    AB series magnetic field gradient sensor

    Magnetic field gradient sensors are made by using a Wheatstone bridge without the shields and flux concentrators. This allows an accurate measurement of the gradient of the magnetic field which is useful in applications such as gear tooth sensing.

    • 0-250 Oe operating range
    • Ideal for sensing magnetic field gradients
    • Wheatstone bridge analogue output
    • Operating temperature to +125°C
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  7. ADT00X-10E Ultra Low Power Rotation Sensor

    ADT00X-10E Ultra Low Power Rotation Sensor

    The NVE ADT001 and ADT002 rotation sensors are ultra low power, digital-output magnetic rotation sensors.

    These sensors have two digital, binary outputs which are 90° out of phase to provide directional information.  An additional output indicates a fault if the magnetic field is too high for accurate measurements.

    The ADT001 is optimized for edge-sensitive applications and has high hysteresis for high noise immunity in applications such as speed sensing and counting rotations, whereas the ADT002 is optimized for absolute position and has low hysteresis to provide accurate, absolute rotational quadrant information.

    More Info
  8. AG001-01 GMR starter engineering kit

    AG001-01 GMR starter engineering kit

    The GMR engineering evaluation kit was created as an aid to the user of GMR sensors to facilitate laboratory experimentation and development. The kit consists of an assortment of sensors, printed circuit boards and permanent magnets sufficient to demonstrate sensor functionality.

    • Kit includes 6 different GMR sensors, pcb and magnets
    • Contains AA and AB series sensors
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  9. AG003-01 GMR current sensing evaluation kit

    AG003-01 GMR current sensing evaluation kit

    The GMR current sensing evaluation kit consists of four current sensors on a PCB with four trace geometries.

    • Includes four sensors in four current configurations
    • Allows isolated current sensing to 9A
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