Circuit for generating a reference voltage based on two partial currents with opposite temperature dependence
US6605987B2 · kind B2 · utility
9Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 26, 2001 |
| Grant date | Aug 12, 2003 |
| Priority date | — |
| Expiry date | Sep 26, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F3/30
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A circuit for generating a temperature-stabilized reference voltage uses the current-mode technique, in which two partial currents are superimposed on each other and converted into the reference voltage. One partial current is generated by an asymmetric differential amplifier with two lateral bipolar transistors of different area. In order to generate the other partial current, an electrical resistor is disposed between the common node of the differential amplifier and ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.