Analog Sensors

Analog Sensors

NVE’s AA and AB-Series analog GMR and TMR sensors have high sensitivity, excellent temperature stability, low power consumption, and small size. Their unmatched versatility make them an excellent choice for a wide range of analog sensing applications from rugged industrial and automotive position, speed, and current sensors to low voltage, battery-powered sensors for handheld instrumentation, and implantable medical devices.

AA-Series sensors use NVE’s patented spintronic materials to provide a directionally-sensitive output. These sensors are sensitive in one direction in the plane of the IC. These devices provide omnipolar output, that is the same output for magnetic fields in the positive or negative direction along the axis of sensitivity. All sensors use a temperature compensating Wheatstone bridge configuration. Five AA-Series families are available: the standard AA-Series; the AAH-Series; AAL-Series; the AAT-Series, and the AAV-Series. Their key characteristics are summarized in the following table:

AA-Series
AAH-Series
AAL-Series
AAT-Series
AAV-Series
Field Sensitivity 
High
Very High
High
Very, Very High
High
Operating Field Range
High
Low
Medium
Low
Low
Hysteresis 
Medium
High
Low
Very Low
Very Low
Max. Temperature 
High
Very High
Very High
High
Medium

 

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