Patent ID: 7926352

Claim:
A semiconductor pressure sensor device comprising: a first pressure detection resistor connected between a first node and a second node; a second pressure detection resistor connected between the second node and a third node; a third pressure detection resistor connected between the third node and a fourth node; a fourth pressure detection resistor connected between the fourth node and a fifth node; an offset adjustment resistor connected between the first node and the fifth node; and an internal resistor circuit provided between the first node and the fifth node, and including a plurality of switches and a plurality of internal resistors whose combined resistance value has a sufficiently larger order than a value of the offset adjustment resistor, wherein the internal resistor circuit is formed on a semiconductor chip, and a selection signal is inputted to the plurality of switches, so that the internal resistor transmits a voltage selected in response to the selection signal from the range of a voltage of the first node and that of the fifth node to an output node.