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A High-Precision Bandgap Reference With a V-Curve Correction Circuit | IEEE Journals & Magazine | IEEE Xplore

A High-Precision Bandgap Reference With a V-Curve Correction Circuit


A precision bandgap reference with a v-curve correction (VCC) circuit is presented. The VCC circuit uses only 7 transistors to obtain a 78.8 % improvement in temperature ...

Abstract:

In this study, a precision bandgap reference with a v-curve correction (VCC) circuit is presented. The proposed VCC circuit generates a correction voltage to reduce the t...Show More

Abstract:

In this study, a precision bandgap reference with a v-curve correction (VCC) circuit is presented. The proposed VCC circuit generates a correction voltage to reduce the temperature drift of the reference voltage and achieves a low temperature coefficient (TC) in a wide temperature range. The proposed bandgap reference was designed and fabricated using a standard TSMC 0.18-\mu \text{m} 1P6M CMOS technology with an active area of 0.0139 mm2. The measured results show that the proposed bandgap reference achieves a TC of 1.9-5.28 ppm/°C over a temperature range of -40°C to 140 °C at a supply voltage of 1.8 V. In addition, the circuit demonstrated a line regulation of 0.033 %/V for supply voltages of 1.2 - 1.8 V at room temperature.
A precision bandgap reference with a v-curve correction (VCC) circuit is presented. The VCC circuit uses only 7 transistors to obtain a 78.8 % improvement in temperature ...
Published in: IEEE Access ( Volume: 8)
Page(s): 62632 - 62638
Date of Publication: 01 April 2020
Electronic ISSN: 2169-3536

Funding Agency:


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