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A low-voltage bandgap reference source based on the current-mode technique

Juan José Carrillo, Elkim Roa, José Geraldo Vidal Vieira, Wilhelmus Van Noije

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Abstract

A low-voltage bandgap reference source design in CMOS AMS 0.35μm is presented. For establishing a voltage reference of less than 1V, the current-mode technique is used. The current consumption of the proposed design is 84μA; the supply voltage is 1.2V, and presents a small die area of 0.015mm2. The average measurement results are: temperature coefficient of 114ppm/°C between [-25°C to 100°C], output voltage of 718mV and line regulation of 1.7mV/V.

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What this paper is about

A low-voltage bandgap reference source design in CMOS AMS 0.35μm is presented. For establishing a voltage reference of less than 1V, the current-mode technique is used. The current consumption of the proposed design is 84μA; the supply voltage is 1.2V, and presents a small die area of 0.015mm2. The average measurement results are: temperature coefficient of 114ppm/°C between [-25°C to 100°C], output voltage of 718mV and line regulation of 1.7mV/V.

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Available abstract

A low-voltage bandgap reference source design in CMOS AMS 0.35μm is presented. For establishing a voltage reference of less than 1V, the current-mode technique is used. The current consumption of the proposed design is 84μA; the supply voltage is 1.2V, and presents a small die area of 0.015mm2. The average measurement results are: temperature coefficient of 114ppm/°C between [-25°C to 100°C], output voltage of 718mV and line regulation of 1.7mV/V.

Key concepts: Bandgap voltage reference, Voltage reference, Voltage, Temperature coefficient, CMOS, Materials science, Electrical engineering, Line regulation

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