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Hall-Effect Sensors, 2nd Edition by Edward Ramsden

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Chapter 5

Interfacing to Integrated Hall-Effect Devices

Integrated Hall-effect sensors almost always incorporate enough signal-processing and support circuitry to provide an immediately useful output signal, be it a proportional voltage or a digital switched output. There are situations, however, when the electrical interfaces provided by the sensor do not meet the requirements of a particular application. In these cases, the designer must provide some additional circuitry to bridge the gap between the sensor’s output and the inputs of the system to which it is being interfaced.

5.1 Interface Issues—Linear Output Sensors

Because the output of a linear Hall-effect sensor is a voltage proportional to magnetic flux density, it offers the highest ...

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