Patent · US Active

Ultra low temperature drift bandgap reference with single point calibration technique

US9851731B2 · kind B2 · utility

0Cited by

3References

16Claims

0Family size

Assignee

STMicroelectronics International N.V. · NL

Inventors

Rajeev Jain · Greater Noida, IN
Chandrajit Debnath · Greater Noida, IN

Key dates

Filing date	Oct 31, 2014
Grant date	Dec 26, 2017
Priority date	—
Expiry date	Nov 29, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG05F3/30
WIPO fieldControl
WIPO sectorInstruments

Abstract

A bandgap voltage generator includes a plurality of calibration transistors. A test circuit measures the bandgap reference voltage generated by the bandgap voltage generator and enables a subset of the calibration transistors to correct to the bandgap reference voltage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.