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AAL004, AAL024, ALT025: Analoge GMR- und TMR-Stromsensoren

Die AAL- und AAT-Magnetfeldsensoren von NVE können Ströme berührungslos messen. Sie sind dabei effektiver als Hallsensoren, weil sie kaum Hintergrundrauschen liefern.

Die AAL-Reihe arbeitet nach dem GMR-Prinzip (Giant Magneto Resistance), die AAT-Reihe nach dem TMR-Prinzip (Tunnel Magneto Resistance), was mit weniger Leistungsaufnahme auskommt.

Beide Serien liefern analoge Ausgangssignale einer Wheatstone-Brücke bis 1 MHz (AAL) bzw. 300 kHz (AAT) Bandbreite und bis zu 150°C (AAL) bzw. 125°C (AAT) Arbeitstemperatur.

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  • Messbare Feldstärken von << 0,1 mT bis > 400 mT
  • Versionen mit hoher Empfindlichkeit, hohem Feld und niedriger Hysterese
  • Analogausgänge der Wheatstone-Brücke
  • Betrieb bis nahe Nullspannung
  • Bis zu 1 MHz (AAL) / 300 kHz (AAT) Bandbreite
  • Bis zu 150°C (AAL) / 125°C (AAT) Betriebstemperatur
  • ULLGA4-, TDFN6-, MSOP8- und SOIC8-Gehäuse. ULLGA4 nur 1,2 x 1,1 mm.
  • Berührungslose Strommessung

Under the brand name IsoLoop, NVE has developed several series of couplers and transceivers for high-speed data transmission on a magnetic basis.

NVE Corporation 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. Products offer smaller size, more precision, higher speed, and are more rugged than coventional devices. NVE parts are popular in industrial, scientific, and medical applications. Sensors acquire information, couplers transmit information, and memories store information. Thus our technology can provide the eyes, nerves, and brains of electronic systems. NVE's award-winning products are sold through a worldwide distribution network.

NVE was founded by Dr. James M. Daughton, a former Honeywell executive, in 1989. The company is located in Eden Prairie, Minnesota, a suburb of Minneapolis.

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