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vf526dt双极闭锁双霍尔效应的速度和方向的数字位置传感器
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The VF526DT Bipolar Latch， Dual Hall-effect Digital Position Sensor has two distinct Hall sensing elements precisely located 1，4 mm ［0.055 in］ apart on a single integrated circuit chip. The elements are encapsulated in a thermoset molding material. The two active Hall latches provide speed and direction indication of a magnetic gradient （such as a rotating ring magnet） across the face of the package. The miniature， 4-pin SOT-89B package surface mounts on PC （Printed Circuit） boards and flexible circuits. The VF526DT’s built-in temperature compensation is designed to match the temperature coefficient of low-cost magnets， allowing for a reliable， yet cost-effective， sensor-magnet combination. A unique， regulator circuit provides extremely stable operation with supply voltages from 3.4 Vdc to 24 Vdc. It can directly interface with many electronic components without buffering or compensation circuitry.
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