Accurate low power bandgap voltage reference in 0.5μm CMOS technology

M. A.T. Sanduleanu, A. J.M. Van Tuijl, R. F. Wassenaar

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


In mixed level applications, accurate voltage references are difficult to realise due to the lack of lateral pnps and the large offsets inherent to CMOS opamps. If low power is essential, the accuracy is mainly impaired by the increased offset of the opamps. It is shown that by using chopping techniques, the accuracy of a bandgap voltage reference can be improved by about ten times without laser trimming, with the added benefit of reducing the 1/f noise of the amplifier.

Original languageBritish English
Pages (from-to)1025-1026
Number of pages2
JournalElectronics Letters
Issue number10
StatePublished - 14 May 1998


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