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A temperature-stabilized voltage reference utilizing MOS body effect

A low-voltage low-power CMOS voltage reference has been proposed in this paper, in which body effect is exploited to provide a temperature-stabilized voltage. The proposed voltage reference was designed in a 0.13-µm standard CMOS process. Comparison results showed that the proposed voltage reference well operated with a supply voltage of as low as 0.7 V, whose operating current was 2.28 µA at room temperature. The temperature coefficient of the proposed voltage reference was as low as 3.4 ppm/°C for a temperature range from −20 °C to 80 °C.