Low-power temperature sensor with complementary-metal-oxide-semiconductor circuits

Research output: Contribution to journalArticle

Abstract

A low-power smart temperature sensor is proposed in this paper. The sensor was composed of a proportional-to-absolute-temperature (PTAT) circuit and a ring oscillator. The PTAT circuit was used to generate a temperature-related current. The current was used to drive the ring oscillator, which may generate a temperature-related oscillated signal. The sensor was implemented by the 0.35 μm 2P4M TSMC complementary-metal-oxide-semiconductor (CMOS) process technology. The power consumption is about 195.15 nW. The linearity of the output frequency versus temperature is marked by the R-square rule. The value of the linearity is 0.98 in the entire temperature range. The proposed sensor requires only one supply voltage of 3.3 V. The core area of the sensor is small enough for combining itself with other circuits that require temperature monitoring.

Original languageEnglish
Pages (from-to)341-346
Number of pages6
JournalSensors and Materials
Volume25
Issue number6
Publication statusPublished - 2013 Sep 24

Fingerprint

temperature sensors
Temperature sensors
CMOS
Metals
Networks (circuits)
sensors
Sensors
Temperature
temperature
linearity
oscillators
Smart sensors
rings
Oxide semiconductors
Electric power utilization
Monitoring
output
Electric potential
electric potential

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Instrumentation

Cite this

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abstract = "A low-power smart temperature sensor is proposed in this paper. The sensor was composed of a proportional-to-absolute-temperature (PTAT) circuit and a ring oscillator. The PTAT circuit was used to generate a temperature-related current. The current was used to drive the ring oscillator, which may generate a temperature-related oscillated signal. The sensor was implemented by the 0.35 μm 2P4M TSMC complementary-metal-oxide-semiconductor (CMOS) process technology. The power consumption is about 195.15 nW. The linearity of the output frequency versus temperature is marked by the R-square rule. The value of the linearity is 0.98 in the entire temperature range. The proposed sensor requires only one supply voltage of 3.3 V. The core area of the sensor is small enough for combining itself with other circuits that require temperature monitoring.",
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Low-power temperature sensor with complementary-metal-oxide-semiconductor circuits. / Yi, Shu-chung.

In: Sensors and Materials, Vol. 25, No. 6, 24.09.2013, p. 341-346.

Research output: Contribution to journalArticle

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