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A single-trim CMOS bandgap reference with a 3σ inaccuracy of ±0.15% from −40°C to 125°C

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4 Author(s)
Guang Ge ; NXP Semicond., Nijmegen, Netherlands ; Cheng Zhang ; Hoogzaad, G. ; Makinwa, K.

A CMOS bandgap reference with a 3σ inaccuracy of ±0.15% from -40°C to 125°C is presented. This level of precision is achieved by a single PTAT trim at room temperature, together with the use of chopping and higher-order curvature correction to remove non-PTAT errors. The bandgap reference draws 55 μA from a 1.8 V supply, and occupies 0.12 mm2 in 0.14 μm CMOS.

Published in:

Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2010 IEEE International

Date of Conference:

7-11 Feb. 2010

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