NVE AD621-00E

NVE AD621-00E

The NVE AD621-00E precision digital magnetic sensor from NVE have a precision magnetic operate point of 20Oe (Typ.) with a frequency response of 0 to 100KHz and an excellent temperature and voltage perfomance. NVE’s AD Series of GMR switches are the industry standard for sensitivity and precision. These switches integrate GMR sensor elements with digital signal processing electronics, and are more precise than other magnetic sensors, with magnetic field operate points being stable over voltage and temperature extremes

  • Precision digital magnetic sensor
  • Digital NPN open-collector output
  • Supply voltage 4.5Vcc to 30Vcc
  • Supply current 2.5mA (Vcc=12V)
  • Output drive 20mA
  • Temperature and voltage stability
  • MSOP8 package
  • Frequency response to 100KHz

The AD621 sensor outputs turn ON when the magnetic field exceeds the 20 Oe operate point, and OFF when the field drops below 10 Oe. The output is “Omnipolar”, meaning the output will turn ON irrespective of the magnetic field polarity. Digital switching is achieved when the magnetic field passes across the axis of the IC. The AD621 outputs consist of one NPN open-collector current-sink and one PNP open collector current-source output. These outputs should have external pull-up and pull-down resistors. For microcontroller interfaces, the microcontroller’s input resistors can be activated.

Typical applications for the AD series include:

  • Motion, speed and position sensing
  • Pneumatic cylinder position sensing
  • Speed sensing
The below table gives the full specifications of the NVE AD magnetic sensor series including the AD621-00E:

NVE AD621-00E Specifications
Additional Features
  • Digital NPN Open-Collector output
  • 4.5Vcc to 30Vcc supply voltage
  • MSOP8 package
  • 2.5mA supply current (Vcc= 12V).
  • 20 mA output drive
  • Temperature and voltage stability
  • Frequency response to 100KHz
Magnetic Orientation Cross axis
Operating Temperature -40°C to +125°C
Opreate Point 20Oe (Typ.)
Output Configuration 1 x Current sink
  • 1 x Current source
  • Release Point 10Oe (Typ.)

    This product is available fully compliant to the RoHS EU directive 2011/65/EU.

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    • Product Code: NVE AD621-00E
    • SKU: NVE AD621-00E
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    Tags: NVE AD, AD Series, NVE AD Series