12-bit flux sensor for current sensing

7 March 2007 Analogue, Mixed Signal, LSI

The Clare Micronix division of Ixys has developed a 12 bit digital output magnetic flux sensor, the MX868. This is a complete sampled data subsystem that includes a unique adjustable digital filter that it claims significantly improves signal to noise performance whilst also reducing signal bandwidth. Powered from 4,5 to 5,5 V, it converts a magnetic flux intensity of ±500 Gauss full scale into a 12-bit digital output word. It operates as a slave on a standard serial interface bus and is compatible with daisy chain expansion in a multiple device serial bus configuration. The MX868 can be mounted onto a PCB or incorporated into a magnetic assembly and then calibrated in-system. The IC is designed to sense the magnetic field generated as a result of electrical current, for motor control applications or power systems.

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