Cmos bandgap reference voltage circuits

Details Cmos bandgap reference voltage circuits Cmos bandgap reference voltage circuits

G - Physics

05

F

328/203

G05F 3/30 (2006.01)

Patent

CA 1241389

- 1 - Abstract: A CMOS bandgap voltage reference which is temperature stable is disclosed. The large temperature- dependent p-tub resistors of piror art arrangements are replaced with relatively small, temperature stable p+ diffusion resistors. The increase in current level needed to compensate for the decrease in resistor value is provided by a simple cascode MOS circuit located between the ratioing resistors and the VSS potential.

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