Design of a CMOS temperature sensor with current output

Kölling, Arjan and Bak, Frans and Bergveld, Piet and Seevinck, Evert (1989) 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:	© 1989 Elsevier
Faculty:	Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:	Biomedical and Environmental Sensor systems (BIOS)
Link to this item:	http://purl.utwente.nl/publications/70583
Official URL:	http://dx.doi.org/10.1016/0924-4247(89)80050-0
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