Title :
2-Terminal floating bandgap voltage reference
Abstract :
A circuit is described for a 2-terminal bandgap voltage reference that is functionally equivalent to a very-low-impedance low-noise 1.2 V Zener diode. The circuit is all-npn, it is simple (it closely resembles five common-emitter stages connected in cascade), yet it is fully compensated for base-current and collector-voltage variations. Being 2-terminal, the circuit can be floated to provide a constant voltage difference between any two nodes in an integrated circuit (IC).
Keywords :
Zener diodes; bipolar transistor circuits; reference circuits; 1.2 V; 2-terminal bandgap voltage reference; Zener diode; all-npn circuit; base-current variations; collector-voltage variations; integrated circuit;
Journal_Title :
Circuits, Devices and Systems, IEE Proceedings
DOI :
10.1049/ip-cds:20045130