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3.3V High-Current/High-Temperature Linear Hall-Effect Current Sensor ICs

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The new ACS759 from Allegro MicroSystems is a high-current/high-temperature linear Hall-effect current sensor IC that provides an economical and precise solution for AC or DC current sensing in 3.3V supply applications.

The device consists of a precision, low-offset linear Hall sensor circuit with a copper conduction path located near the die. Applied current flowing through this copper conduction path generates a magnetic field which is sensed by the integrated Hall IC and converted into a proportional voltage.
Device accuracy is optimised through the close proximity of the magnetic signal to the Hall transducer. A precise, proportional voltage is provided by the low-offset, chopper-stabilised BiCMOS Hall IC, which is programmed for accuracy at the factory.
High-level immunity to current conductor dV/dt and stray electric fields, offered by Allegro proprietary integrated shield technology, guarantees low ripple at the output and low-offset drift in high-side high-voltage applications.
www.allegromicro.com

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