Multipurpose Hall Switch Family HAL 5xyThe HAL 5xy family consists of different Hall switches producedin CMOS technology. All sensors include a temperaturecompensated Hall plate with active offset compensation, a comparator, and an open-drain output transistor. The comparator compares the actual magnetic flux through the Hall plate (Hall voltage) with the fixed reference values (switching points). Accordingly, the output transistor is switched on or off. The sensors of this family differ in the switching behavior and the switching points. The active offset compensation leads to constant magnetic characteristics over supply voltage and temperature range. In addition, the magnetic parameters are robust against mechanical stress effects. Features » Supply voltage: 3.8 V ... 24 V » Temperature ranges: A: -40°C ... +170°C K: -40°C ... +140°C E: -40°C ... +100°C » Operates with static magnetic and dynamic fields up to 10 kHz Applications » Endposition detection » RPM measurement of motors in various applications, such as power window » Brushless DC motors » RPM measurements in flow meters
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