Patent ID: 7872322

Claim:
A magnetic field sensor comprising a Hall element comprising a first contact, a second contact, a third contact and a fourth contact arranged in this sequence along a straight line on a surface of a first well of a first conductivity type that is embedded in a substrate of a second conductivity type, said four contacts being two inner contacts and two outer contacts, a first of said two outer contacts and a first of said two inner contacts for supply and discharge of a current flowing through the first Hall element, wherein the first of said two outer contacts and the first of said two inner contacts are not adjacent contacts, and a second of said two outer contacts and a second of said two inner contacts for tapping a first Hall voltage, wherein the two inner contacts are the same width and wherein the two outer contacts are the same width, wherein a distance between the first contact and the second contact is equal to a distance between the third contact and the fourth contact, wherein a distance between the second contact and the third contact is selected such that approximately R 1 =R 2 =R 3 wherein R 1 denotes a resistance prevailing between the first contact and the second contact R 2 denotes a resistance prevailing between the second contact and the third contact and R 3 denotes a resistance prevailing between the third contact and the fourth contact, and wherein the two outer contacts are connected via an additionally resistor having a resistance R 5 that is selected such that approximately R 1 =R 2 =R 3 =R 4 ||R 5 wherein R 4 denotes a resistance prevailing between the first contact and the fourth contact.