AG920-07E NVE, AG920-07E Datasheet - Page 5

• Manufacturer Part Number: AG920-07E
• Description: KIT EVALUATION GT SENSOR
• Manufacturer: NVE

Specifications of AG920-07E

• Sensor Type: Magnetic. GMR (Giant Magnetoresistive)
• Interface: Analog
• Embedded: No
• Utilized Ic / Part: ABL & AKL Series GT Sensors
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Sensitivity: -
• Sensing Range: -
• Other names: 391-1063

Introduction
GMR Materials Overview
The heart of NVE’s sensor products are the proprietary GMR materials produced in our factory. These
materials are manufactured in our on-site clean room facility and are based on nickel, iron, cobalt, and
copper. Various alloys of these materials are deposited in layers as thin as 15 Angstroms (five atomic
layers!), and as thick as 18 microns, in order to manufacture the GMR sensor elements used in NVE’s
products.
The following diagrams show how the GMR effect works in an NVE sensor using multilayer GMR
material. Note that the material is sensitive in the plane of the IC, rather than orthogonally to the IC, as
is the case with Hall elements.
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