Magnetic sensor device

摘要

Provided is a magnetic sensor device capable of performing signal processing at high speed with high accuracy. The magnetic sensor device includes: a plurality of Hall elements; a plurality of differential amplifiers to which the plurality of Hall elements are connected, respectively; a detection voltage setting circuit for outputting a reference voltage; and a comparator including: a plurality of differential input pairs connected to the plurality of differential amplifiers, respectively; and a differential input pair connected to the detection voltage setting circuit.

主权项

1. A magnetic sensor device for outputting a signal in accordance with an intensity of a magnetic field applied to a Hall element, the magnetic sensor device comprising:
a plurality of Hall elements; a plurality of differential amplifiers to which the plurality of Hall elements are connected, respectively; a reference voltage generation circuit configured to output at least one reference voltage; and a comparator comprising:
a plurality of differential input pairs connected to the plurality of differential amplifiers for outputting amplified signal voltages, respectively; anda differential input pair connected to the reference voltage generation circuit configured to output a second reference voltage, and wherein the comparator is configured to output a result of comparison of the amplified voltages.