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Data Sheets (.pdf)
AA Series AAT001/AAT009 AAT003 AAT006 AAT101 AB Series ABT Series ABL Series ACT001 AD Series ADA Series ADK991 ADL Series ADT001 ADT002 ADT501 ADT9xx ADV Series
AET Series AFL Series AHL Series AHK991 AHT Series AKL Series AKT001 ALT Series ALT 521 D Series ASR002 ASR012 ASR022 SM12x Series SM223 SM225 SM228 SM324
IL01x IL260 IL261 IL262 IL2985 IL3022 IL3085 IL3122 IL3185 IL3222 IL3285 IL3422 IL3485 IL3522 IL3585 IL3685 IL3685P IL41050TT IL41050TA IL41050TFD Series IL422
IL485 IL485W IL4622 / IL4685 / IL4822 IL5xx Series IL6xx Series IL6xxA Series IL6xxCMTI Series IL710 IL711 IL712 IL715 IL716 IL717 IL721 IL76xx / IL78xx Series IL8xxT Series
ACT001 DB001 DC001 DC002 ILDC1x
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Medical Device Sensors

for qualified buyers

NVE spintronic GMR sensors are proven solid-state components:
  • Inherent reliability; no moving parts
  • As small as 1 sq. mm or less
  • Sensitive to fields as low as 1 Oe (0.1 mT)
  • Power consumption as low as 45 nW

Applications include:
  • Reed switch replacement
  • Hearing aids
  • Pacemakers and ICDs
  • Neurostimulators
  • Drug pumps

Medical Sensor Selector Guide

Medical Sensor Datasheets

BA010 medical device magnetometer data sheet
  • Wheatstone bridge analog output
  • Wide range of linear operation
  • Low voltage operation (<1 V)
  • Small die size

1.5-Volt Medical-Grade Magnetic Switch Sensors
  • Integrated comparator; digital output
  • Operates on 1.5 V batteries
  • Low voltage operation to 0.9 V
  • 2.5 mm x 2.5 mm TDFN6 or 0.65 mm x 0.65 mm WLCSP

3-Volt Medical-Grade Magnetic Switch Sensors
  • Integrated comparator; digital output
  • Operates on lithium batteries or 3.3 V supplies
  • 2.5 mm x 2.5 mm TDFN6 or 0.65 mm x 0.65 mm WLCSP

BDK991 High-Field, 3-Volt Low-Power Omni-Directional TMR Switch
  • 320 mT operate point
  • Omni-directional field sensitivity
  • 1.1 x 1.1 mm DFN or 0.65 x 0.65 mm WLCSP

...for custom medical sensors

Medical Sensor News

Empowering Wearables with Ballistocardiography-based Key Generation through Magnetic Field Vibration Sensing
Proc. ACM Interact. Mobile Wearable Ubiquitous Technology, March 2025.
NVE AA002 GMR sensors are used for a wearable ballistocardiograph..
Excerpt: “As a fundamental step of device-to-device communication, how to securely pair wearable devices has attracted increasing attention from academia and industry.”
 
Enhanced detection of bovine serum albumin using single- and double-chip configuration of tunneling magnetoresistance-based biosensor with green-synthesized magnetite/Ag nanotag
Microchim Acta, Feb. 11, 2025.
A biosensor based on two ALT025 TMR sensors.
Excerpt: “These results indicate that the double-chip configuration in TMR biosensors is a reliable detection method showing competitive performance with green-synthesized magnetic labels under low bias conditions. This research supports the potential of this system as a prescreening tool in medical diagnostics, which may help reduce the risks of disease progression.”
 
Exploring Biomagnetism for Inclusive Vital Sign Monitoring: Modeling and Implementation
ACM MobiCom 2024, Oct. 2024.
An AA004 sensor is used to detect heartrate and respiration in a smartwatch platform.
 
Non-Invasive Measurement of Glaucoma Disease at Earlier Stage Through GMR Sensor AH Biomagnetic Signal From Eye and RADWT Algorithm
IEEE Sensors Journal, April 9, 2019.
An NVE sensor is used to measure the biomagnetic signal of the aqueous humor for early glaucoma detection.
 
Analysis of a GMR-Based Plethysmograph Transducer and its Utility for Real-time Blood Pressure Measurement (.pdf)
Engineering in Medicine and Biology Society, 39th Annual International Conference of the IEEE, July 2017.
A “magneto-plethysmograph” uses two AA002 sensors for real-time, cuff-less measurement of blood pressure based on pulse wave propagation time.
 
Controller for upper-limb neuroprosthesis (.pdf)
Journal of Rehabilitation R&D, 2009.
A magnetic proximity sensor using three NVE analog magnetic sensors.

Simply the Best: NVE GMR Magnetic Sensor
Medical Product Manufacturing News, Nov/Dec 2009

Chips for Hearts, Ears, and Satellites (.pdf)
Defining Moments: MDA Technology Applications Report, October 2006

The Next Sound You Hear
Excerpt from Twin Cities Business, August 2006

A New Spin on Magnetic Sensors for Medical Devices
Medical Device & Diagnostic Industry, June 2006

Now Hear This! GMR Film Improves Hearing Aids
Sensors Magazine, March 2005

Pacemakers Use NVE's GMR Sensors (.pdf)
MDA Technology Applications Report, February 2005

Hearing Aids Given Nanotech Spin (.pdf)
Electronic Engineering Times, February 14, 2005

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