NVE SM225-10E

  • NVE

Product Features

  • Smart TMR Magnetometer
  • Detecting magnets over 50mm away with superior in-plane sensitivity
  • 10 bit output resolution
  • Sample rate of 15kSps
  • Wide 0 to 15 mT/0 to 150 Oe linear range
  • Analog field measurement plus on/off digital output


  • Compliant


The SM225-10E smart magnetometer from NVE is designed to provide precise magnetic field measurements, detecting magnets even over 50mm away. The sensors combine precise Tunneling
Magnetoresistance (TMR) sensor elements with easy-to-use
digital signal processing, Unlike awkward, old-fashioned Hall-effect sensors, TMR is
sensitive in-plane for optimal current sensing and easy
mechanical interfaces. TMR also provides more sensitivity,
higher precision (2%), higher speed (15kSps), and lower noise than Hall. This magnetometer is a digital device with a 4-wire SPI interface, providing magnetic field data and a way to set parameters such as thresholds. The SM225-10E sensor comes factory calibrated to high accuracy, with the calibration coefficients stored in internal non-volatile memory and is available in ultra-miniature TDFN6 packaging (2.5 x 2.5mm footprint).

  • Smart TMR Magnetometer
  • Wide 0 to 15 mT/0 to 150 Oe linear range
  • 10 bit output resolution
  • 2% FS accuracy for 0 to 125 °C
  • 15kSps sample rate for fast response
  • Temperature range of −40°C to +125°C
  • 2.2V to 3.6V supply
  • 3.3V or 5V compatible 4-wire SPI interface
  • Analog field measurements plus on/off digital output
  • In-plane sensitivity
  • Ultraminiature 2.5mm x 2.5mm TDFN6 package


Typical applications for the SM225-10E series include:

  • Proximity sensing
  • Current sensing
  • Security and intrusion detection
  • Automotive applications
  • Cylinder position sensing

The below table gives the full specifications of the NVE -10E smart TMR magnetometer:

NVE SM225-10E Specifications


Weight 0.05500 kg
Dimensions 0.80 x 2.50 x 2.50mm

Series / Model
Temperature Range (°C)

Supply Voltage

Package / Size

NVE SM225-10E 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:



NVE SM225-10E Smart TMR Magnetometer datasheet
Package, tape-and-reel and pad layout specifications
Power supply bypass capacitor selection
Pb free and S-Pb solder profiles
Diametrically-Magnetised Magnets – Perfect for magnetic angle & rotation sensing
Glossary terms

NVE SM225-10E

Calculators and Converters

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Contact us if you need your items quicker or need more than in stock.

Please be advised that due to the ongoing supply issues with raw materials affecting the global electronics industry, as well as an increase in orders received by our manufacturing partners, a large number of products are facing increased lead times in recent months. For the latest lead time and stock availability, please contact one of our engineers who will be happy to discuss lead times further and the potential for alternative parts.