1.2 V CMOS temperature compensated logarithmic converter based on translinear circuit | Zendy

Bai Chunfeng | Zendy; Wu Jianhui | Zendy

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1.2 V CMOS temperature compensated logarithmic converter based on translinear circuit

Author(s) -

Bai Chunfeng,

Wu Jianhui

Publication year - 2016

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2016.1626

Subject(s) - logarithm , cmos , temperature coefficient , electronic engineering , atmospheric temperature range , electrical engineering , materials science , physics , mathematics , engineering , mathematical analysis , meteorology

With the help of proposed translinear circuit, intrinsic temperature coefficient of logarithmic converter is compensated by that of a proportional‐to‐absolute‐temperature current source in bandgap reference, which contributes to the proposed fully integrated logarithmic converter. Using a 0.13 μm CMOS technology with 1.2 V single supply, the proposed logarithmic converter exhibits less than 350 ppm temperature coefficient with a 0.5–1.2 V input range.

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