Digital Sensors

Digital Sensors

GMR Switches integrate GMR sensor elements with digital signal processing electronics. These sensors are more precise than other magnetic sensors, and magnetic field operate points are stable over voltage and temperature extremes. GMR Switches can operate over a wide range of magnetic fields, and are available in SOIC8, MSOP8, 2.5 mm x 2.5 mm TDFN6 packages, or 1.1 mm x 1.1 mm ULLGA packages.
NVE offers five series of GMR Switch sensors:

  • AD-Series TDFN/MSOP Digital Sensors; 4.5 V – 30 V supply voltage
  • ADL-Series 1.1 mm x 1.1 mm Digital Sensors; 2.4 – 3.6 supply voltage; duty-cycled versions available
  • ADV001-Series bipolar (south field ON, north field OFF) TDFN Digital Sensors
  • AFL-Series TDFN digital sensors; 0.9 V – 5.5 V supply voltage
  • AHL-Series 1.1 x 1.1 mm Low-Voltage Digital Sensors; 0.9 V – 2.4 V supply voltage; duty-cycled versions available

AD-Series Precision GMR Digital Sensors are the industry standard for sensitivity and precision. Models available in a wide variety of magnetic operate points, output configurations, and package types.  AD8xx and AD9xx versions also have Short-Circuit Protection (SCP) circuitry. The most popular AD-Series parts are listed below:

 

AD-Series TDFN/MSOP Digital Sensors
Part Number
Typical Magnetic Operate Point (Oe)
Typical Magnetic Release Point (Oe)
  Output Type  
Max. Operating Temperature (°C)
Package
20
10
Sink
125
MSOP8
40
25
Sink
125
MSOP8
20
10
Sink
125
MSOP8
40
25
Sink
125
MSOP8
28
14
Sink
125
MSOP8
28
14
Sink
125
TDFN6
AD621-00
20
10
Sink+Source
125
MSOP8
AD824-00
28
14
2 Sinks + SCP
150
MSOP8
10
5
Sink
150
MSOP8

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