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AAL004, AAL024, ALT025
Analog GMR and TMR current sensors
The AAL and AAT magnetic field sensors from NVE can measure currents without contact. They are more effective than Hall sensors because they produce hardly any background noise. The AAL series works according to the GMR principle (Giant Magneto Resistance), the AAT series according to the TMR principle (Tunnel Magneto Resistance), which requires less power consumption. Both series provide analog output signals of a Wheatstone bridge up to 1 MHz (AAL) or 300 kHz (AAT) bandwidth and up to 150°C (AAL) or 125°C (AAT) operating temperature.
- Measurable field strengths from << 0.1 mT to > 400 mT
- Versions with high sensitivity, high field and low hysteresis
- Analog outputs of the Wheatstone bridge
- Operation up to near zero voltage
- Up to 1 MHz (AAL) / 300 kHz (AAT) bandwidth
- Up to 150°C (AAL) / 125°C (AAT) Operating temperature
- ULLGA4, TDFN6, MSOP8 and SOIC8 packages. ULLGA4 only 1.2 x 1.1 mm.
- Non-contact current measurement
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.
