A New Type of CMOS Temperature Sensor

Zhang Xun; Wang Peng; Jin Dongming

Chin. J. Semicond. > 2005, Volume 26 > Issue 11 > 2202-2207

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A New Type of CMOS Temperature Sensor

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Abstract: Theory and design of compatible wide range smart temperature sensors in standard CMOS technology is presented.The simulated temperature sensitivity using a CSMC 06μm mixed-signal CMOS process is –1.15μA/℃ (over the temperature range of -40～125℃) and the measured is –0.99μA/℃.The power dissipation of the sensor is 1.5mW at a 5V voltage supply,and the chip area is 0.025mm2.The characteristics of this sensor make it especially suitable for low-cost high-volume integrated microsystems over a wide range of fields,such as automotive,oil prospecting,biomedical,and consumer.

Key words: integrated circuits, temperature sensor, temperature coefficient

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Zhang Xun, Wang Peng, Jin Dongming. A New Type of CMOS Temperature Sensor[J]. Journal of Semiconductors, 2005, 26(11): 2202-2207.

Zhang X, Wang P, Jin D M. A New Type of CMOS Temperature Sensor[J]. Chin. J. Semicond., 2005, 26(11): 2202.

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Received: 19 August 2015 Revised: Online: Published: 01 November 2005

Theory and design of compatible wide range smart temperature sensors in standard CMOS technology is presented.The simulated temperature sensitivity using a CSMC 06μm mixed-signal CMOS process is –1.15μA/℃ (over the temperature range of -40～125℃) and the measured is –0.99μA/℃.The power dissipation of the sensor is 1.5mW at a 5V voltage supply,and the chip area is 0.025mm2.The characteristics of this sensor make it especially suitable for low-cost high-volume integrated microsystems over a wide range of fields,such as automotive,oil prospecting,biomedical,and consumer.

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