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Product Announcement | 
 
  
 
NVE Introduces Smart GMR Magnetometer 
Versatile sensors are ideal for measuring current or proximity 
 
 
EDEN PRAIRIE, Minn.December 6, 2018NVE Corporation today announced 
the new SM124-10E Smart Magnetometer. The new sensor combines a Giant Magnetoresistance 
(GMR) sensor element with elegant digital signal processing. The versatile product 
can be used for current or proximity measurements. 
 
 
In-Plane Sensitivity 
Unlike awkward, old-fashioned Hall-effect sensors, GMR is sensitive in-plane 
for optimal current sensing and easy mechanical interfaces. 
 
A Slick, Elegant Data Structure 
All data and parameters are input and output as single bytes (eight bits). 
This provides better than 1% precision while eliminating the need to concatenate 
upper and lower bytes. 
 
No Communications Overhead 
 Data are always valid, so there is no need to wait for data during an I²C 
read, and there are no set-up commands or error handling required. 
 
Factory Calibrated  
The sensor is factory calibrated for sensitivity, offset, linearity, and temperature 
compensation. Users can also calibrate the output for a particular system. 
 
Amazing Features 
Key SM124-10E features include: 
   Can detect magnets more than 50 mm away 
   I²C and digital threshold outputs 
   7-bit output resolution 
   In-plane sensitivitymore usable than Hall effect sensors 
   Programmable offset and gain compensation 
   Calibrated internal temperature sensor 
   Internal temperature compensation 
   Optional magnet temperature compensation 
   2.2 to 3.6V supply 
   Ultraminiature 2.5 x 2.5 x 0.8 mm TDFN package
  
Evaluation Kit 
The simple AG952-07 Evaluation Kit has everything needed to calibrate, test, and 
evaluate SM124-10E Smart Magnetometers. 
 
The kit includes: 
   A 1-inch by 1.625-inch (25 mm by 41 mm) USB-powered evaluation 
board with: 
        - an SM124-10E GMR Smart Magnetometer 
        - a microcontroller connected 
to the sensor via I²C 
        - a regulated 3.3 volt supply 
to power the SM124-10E 
        - a current-carrying trace under 
the sensor for evaluating as a current sensor 
   A small ceramic magnet for evaluating as a proximity sensor 
   USB cable to connect the Evaluation Board to a computer 
   Windows user interface software 
 
Easy Programming 
A self-contained programming module with easy-to-use thumbwheel switches and 
a socket will be available soon to program the sensors switching thresholds 
without need of a computer or microcontroller. 
 
Part of a Family  
 The SM124 is NVE's second Smart Magnetometer model. The SM324 tunneling magnetoresistance 
(TMR) smart magnetometer was introduced in August. Billed as the world's first 
TMR smart magnetometer, the SM324 boasts extremely high accuracy. The SM124 has 
a simpler interface and is higher speed. 
 Available Now  
SM124-10E Smart Magnetometers are priced at $1.46 each in 1000-piece quantities. 
AG952-07E Smart Magnetometer Evaluation Kits are priced at only $95.00 each. Sensors 
and kits are in stock for immediate delivery. 
 
Click here to download the SM124 
datasheet, or visit www.nve.com for more 
information. 
 NVE is a leader in the practical commercialization of spintronics, a nanotechnology 
that relies on electron spin rather than electron charge to acquire, store and 
transmit information. The company manufactures high-performance spintronic products 
including sensors and couplers that are used to acquire and transmit data. NVE 
has also licensed its spintronic magnetoresistive random access memory technology, 
commonly known as MRAM. 
 
Statements used in this announcement that relate to future plans, events, or 
performance are forward-looking statements that are subject to certain risks and 
uncertainties including, among others the risk factors listed from time to time 
in our filings with the SEC, including our Annual Report on Form 10-K and other 
reports filed with the SEC. 
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