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Factory programmable digital Hall effect sensors promise custom solutions at off-the-shelf prices

Fri, 12/20/2013 - 10:39am

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He sensorsMelexis Technologies NV introduced two parts to its programmable digital Hall effect sensor line. The MLX92231 and MLX92211 feature EEPROM memory, allowing magnetic switching thresholds to be configured (including hysteresis). Both are factory pre-programmed to precise Hall effect switch or latch specifications, bringing tailored results that match the customer’s specific application requirements. The MLX92211 targets applications requiring Hall effect latch magnetic characteristics. The MLX92231 supports applications for Hall effect switch magnetic behavior. A novel 32 bit unique ID code in each sensor gives lifetime traceability. Constructed on a proprietary mixed signal CMOS process technology, the MLX92231 and MLX92211 ICs integrate a Hall sensor element with advanced offset cancellation mechanism, a voltage regulator and an open-drain output driver in industry standard 3-pin SIP and TSOT23 packages. The programmable architecture enables high accuracy switching thresholds and an integrated factory programmed thermal compensation value to be set. These features simplify manufacturing of precision, thermally stable sensor modules using low cost magnet materials, while avoiding complex, expensive temperature testing.

Melexis Technologies NV, www.melexis.com

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