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

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Weight 0.05500 kg
Dimensions 0.80 x 2.50 x 2.50mm

Package / Size

Supply Voltage

Temperature Range (°C)

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

NVE SM225-10E