Sensor circuit, a sensor device and a method for forming a sensor circuit

A sensor device comprising:

• a plurality of half-bridge sensor circuits, each comprising a pair of magnetoresistive structures;
• and
• a sensor output value determination circuit configured to determine a sensor output value based on at least four half-bridge sensor signals provided by four of the half-bridge sensor circuits of the plurality of half-bridge sensor circuits,
• wherein a first half-bridge sensor circuit and a second half-bridge sensor circuit of the plurality of half-bridge sensor circuits are formed on a common semiconductor substrate, and wherein a magnetoresistive structure of the first half-bridge sensor circuit having a predefined reference magnetization direction substantially identical to a predefined reference magnetization of a magnetoresistive structure of the second half-bridge sensor circuit are formed adjacently on the common semiconductor substrate.

A method for forming a sensor circuit, the method comprising

• forming a plurality of magnetoresistive structures having a first predefined reference magnetization direction in a first common area of a common semiconductor substrate;
• and
• forming a plurality of magnetoresistive structures having a second predefined reference magnetization direction in a second common area of the common semiconductor substrate;
• and
• forming electrically conductive structures electrically coupling the magnetoresistive structures having the first predefined reference magnetization direction to the magnetoresistive structures having the second predefined reference magnetization direction to form a plurality of half-bridge sensor circuits, wherein each half-bridge sensor circuit comprises a magnetoresistive structure having the first predefined reference magnetization direction electrically coupled to a second magnetoresistive structure having the second predefined reference magnetization direction.