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NVE AA002-02E

NVE-AA002-02E
NVE_SOIC8_drawing
NVE-AA002-02E
NVE_SOIC8_drawing
  • NVE

Product Features

  • DC to 100KHz frequency response
  • Supply voltage +24V
  • SOIC8 package (die-form available for custom applications)
  • Output at maximum field of 60mV/V
  • High magnetic field sensitivity
  • 0.675W power dissipation
  • 4% maximum Hysteresis

Applications

  • Compliant

The AA002-02E analog magnetic sensor from NVE detect absolute magnetic fields, with a sensitivity range of 1.5Oe to 10.5Oe and sensitivity of 3 to 4.2mV/V-Oe. NVE’s AA series of analog Giant MagnetoResistive (GMR) sensors offer unique and unparalleled magnetic sensing capabilities. Utilising 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.

  • Analog magnetic sensor
  • Sensitivity range of 1.5Oe to 10.5Oe
  • Saturation of 15Oe
  • Sensitivity of 3.0 to 4.2mV/V-Oe
  • Frequency response (DC) to 100KHz
  • Temperature range of −50°C to +125°C
  • Supply voltage +24V
  • SOIC8 package (die-form available for custom applications)
  • Output at maximum field of 60mV/V
  • High magnetic field sensitivity
  • Power dissipation 0.675W
  • Maximum hysteresis 4%

The AA magnetic sensor series 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.

The basic AA series of GMR sensors are general purpose magnetometers for use in a wide variety of applications. They exhibit excellent linearity, a large output signal with applied magnetic fields, stable and linear temperature characteristics, and a purely ratiometric output.

Typical applications for the AA series include:

  • Motion, speed and position sensing
  • Low-field sensing
  • Motor commutator sensors
  • Non-contact current sensing

The below table gives the full specifications of the NVE AA magnetic sensor series including the AA002-02E:

NVE AA002-02E Specifications

Specifications

Weight 0.07500 kg
Dimensions 1.83 x 6.20 x 5.00mm
Linear Range

1.5 Oe, 10.5 Oe
Saturation Field

15 Oe
Sensitivity

3 to 4.2mV/V-Oe
Series / Model

Temperature Range (°C)

-50 to +125°C
Typical Resistance

5kΩ

NVE AA, AAH, AAL, AAK, AB and ABH Series Technical Library

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:

 

 

DOCUMENTATION
NVE AA, AAH, AAK, AAL and AB GMR magnetic sensor series datasheet
Current measurement using GMR sensors application note
2-wire sensor interfaces application note
Further application notes for GMR sensors
Package, tape-and-reel and pad layout specifications
NVE RoHS and enviromental compliance certificate
Case Studies
Analysis of a GMR-based Plethysmograph transducer and its utility for real-time Blood pressure measurement
Dual-stage nanopositioning for high speed scanning probe microscopy
Extending the GMR current measurement range with a counteracting magnetic field
A current sensor based on the GMR effect for design and potential smart grid applications
Flexible GMR sensor array for magnetic flux leakage testing of steel track ropes
Wireless wearable controller for upper limb neuroprosthesis
Using GMR sensors with MSP430 scan interface
Safety device uses GMR sensor
Nondestructive inspection for diffusion bonded components
GMR sensors manage batteries

 

 

 

VIDEOS
GMR Analog Magnetic Field Sensor Demonstration

A demonstration of NVE's unique AA-Series analog magnetic field sensors. These GMR sensors are smaller, more sensitive, more precise, and lower power than other sensor types. In this demonstration, a GMR sensor drives an op-amp current follower to vary the brightness of an LED depending on the sensor output.
GMR Low-Field Magnetic Sensors

AAL002 GMR magnetic sensors can detect low fields and magnets at long distances. NVE demonstrate a sensor and amplifier connected to a buzzer. Most applications have magnet distances of millimeters or centimeters from the sensor, however, for this demonstration NVE needed a yardstick.
AAK001 High-Field GMR Magnetometer Sensor

NVE go into the lab to demonstrate the new AAK001 high-field GMR magnetometer sensor. They compare the new AAK001, their highest-field sensor, to their most sensitive sensor, the AAH002. The AAK is NVE's fourth family of GMR sensors, with low sensitivity to avoid saturating, and high saturation to provide a wide magnetic field range. It also has low hysteresis, low noise, full commercial temperature range, and an ultraminiature package.
VIDEOS
GMR Analog Magnetic Field Sensor Demonstration

A demonstration of NVE's unique AA-Series analog magnetic field sensors. These GMR sensors are smaller, more sensitive, more precise, and lower power than other sensor types. In this demonstration, a GMR sensor drives an op-amp current follower to vary the brightness of an LED depending on the sensor output.
GMR Low-Field Magnetic Sensors

AAL002 GMR magnetic sensors can detect low fields and magnets at long distances. NVE demonstrate a sensor and amplifier connected to a buzzer. Most applications have magnet distances of millimeters or centimeters from the sensor, however, for this demonstration NVE needed a yardstick.
AAK001 High-Field GMR Magnetometer Sensor

NVE go into the lab to demonstrate the new AAK001 high-field GMR magnetometer sensor. They compare the new AAK001, their highest-field sensor, to their most sensitive sensor, the AAH002. The AAK is NVE's fourth family of GMR sensors, with low sensitivity to avoid saturating, and high saturation to provide a wide magnetic field range. It also has low hysteresis, low noise, full commercial temperature range, and an ultraminiature package.

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