Design of a CMOS temperature sensor with current output


Kölling, Arjan and Bak, Frans and Bergveld, Piet and Seevinck, Evert (1990) Design of a CMOS temperature sensor with current output. Sensors and actuators A: Physical, 22 (1-3). pp. 645-649. ISSN 0924-4247

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Abstract:In this paper a CMOS temperature-to-current converter is presented of which the output current is the difference between a PTC current and an NTC current. The PTC current is derived from a PTAT cell, while the NTC current is derived from a threshold voltage reference source. It is shown that this way of current subtraction diminishes to a certain extent the effects of the thermal dependence of the resistors used.
Item Type:Article
Copyright:© 1990 Elsevier
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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