MAGNETIC SENSOR CIRCUIT, TEST METHOD FOR THE SAME, AND MANUFACTURING METHOD FOR A SEMICONDUCTOR DEVICE HAVING A MAGNETIC SENSOR CIRCUIT
First Claim
1. A magnetic sensor circuit, comprising:
- one of a first magnetic sensor element configured to output a voltage in accordance with a vertical magnetic field and a second magnetic sensor element configured to output a voltage in accordance with a horizontal magnetic field;
a magnetic field signal processing circuit configured to output a signal in accordance with the voltage;
at least three terminals capable of being connected to an external element, the at least three terminals being a first terminal, a second terminal, and a third terminal;
a first wiring connecting the first terminal and the second terminal; and
a second wiring connecting the first terminal and the third terminal,one of the first magnetic sensor element and the second magnetic sensor element being arranged at a position where detection of a magnetic field generated by one of the first wiring and the second wiring is capable.
1 Assignment
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Accused Products
Abstract
A magnetic sensor circuit includes: one of a first magnetic sensor element configured to output a voltage in accordance with a vertical magnetic field and a second magnetic sensor element configured to output a voltage in accordance with a horizontal magnetic field; a magnetic field signal processing circuit configured to output a signal in accordance with the voltage; at least three terminals capable of being connected to an external element, the at least three terminals being a first, a second, and a third terminal; a first wiring connecting the first terminal and the second terminal; and a second wiring connecting the first terminal and the third terminal in which one of the first magnetic sensor element and the second magnetic sensor element is arranged at a position where detection of a magnetic field generated by one of the first wiring and the second wiring is capable.
10 Citations
7 Claims
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1. A magnetic sensor circuit, comprising:
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one of a first magnetic sensor element configured to output a voltage in accordance with a vertical magnetic field and a second magnetic sensor element configured to output a voltage in accordance with a horizontal magnetic field; a magnetic field signal processing circuit configured to output a signal in accordance with the voltage; at least three terminals capable of being connected to an external element, the at least three terminals being a first terminal, a second terminal, and a third terminal; a first wiring connecting the first terminal and the second terminal; and a second wiring connecting the first terminal and the third terminal, one of the first magnetic sensor element and the second magnetic sensor element being arranged at a position where detection of a magnetic field generated by one of the first wiring and the second wiring is capable. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A magnetic sensor circuit, comprising:
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a magnetic sensor element configured to output a voltage in accordance with a magnetic field; a magnetic field signal processing circuit configured to output a signal in accordance with the voltage; at least two terminals capable of being connected to an external element, the at least two terminals being a first terminal and a second terminal; and a wiring connecting the first terminal and the second terminal, and through which a current larger than a current that flows through the magnetic sensor circuit under normal operation is applied, the magnetic sensor element being arranged at a position where detection of a magnetic field generated by the wiring is capable.
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Specification