A CMOS temperature sensor with a 3σ inaccuracy of ±0.5°C from -50°C to 120°C

Pertijs, Michiel A. P.; Niederkorn, A.; Ma, Xu; McKillop, B.; Bakker, A.; Huijsing, Johan H.

doi:10.1109/isscc.2003.1234266

Cited by 25 publications

(44 citation statements)

References 4 publications

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“…The architecture of the sigmadelta converter is presented in Figure 5. The architecture is based on the converter presented by Pertijs and al [7]. Each amplifier constitutes an integrator, thus this circuit is a second order design .…”

Section: The Sigma-delta Modulatormentioning

confidence: 99%

“…Such applications require a relatively high precision thermal sensor (typically ±3 °C in a wide temperature range), in order to achieve high reliability and performance [1,2]. The conventional method of thermal sensing is based on diode connected Bipolar Junction Transistor (BJT) voltage temperature dependence [2][3][4][5][6][7]. A base-emitter voltage equation of BJT transistor is :…”

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confidence: 99%

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Design of Advanced Thermal Sensors Which Uses Low Power Consumption

2018

IJRTER

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Thermal sensors (TS) are essential for achieving optimized performance and reliability in the era of nanoscale microprocessor and system on chip (SoC). Compiling with the lowpower and small die area of the mobile computing, the presented TS supports a wide range of sampling frequencies with an optimized power envelope. The TS supports up to 45 K samples/s, low average power consumption, as low as 20 μW, and small core Si area of 0.013 mm 2

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Section: The Sigma-delta Modulatormentioning

confidence: 99%

mentioning

confidence: 99%

Design of Advanced Thermal Sensors Which Uses Low Power Consumption

2018

IJRTER

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“…The accuracy of this architecture can be improved by using a calibration process during production. This architecture may produce accuracy of better than ±0.5 °C with old processes [3,4,6,7].…”

Section: Nm Sigma-delta Based Thermal Sensor Architecturementioning

confidence: 99%

“…Proper selection of α will cause the denominator to balance the complementary to absolute temperature (CTAT) behavior of VBE against the proportional to absolute temperature (PTAT) behavior of ΔVBE, achieving the reference Vref within the sigma-delta converter itself. This phenomena is named Ratiometric sigma-delta [6,7], and is used in the thermal sensor in order to omit the bandgap from the sense path (utilizing instead the natural "bandgap" that is already embedded in the sense stage). The architecture of the sigma-delta converter is presented in Figure 5.…”

Section: The Sigma-delta Modulatormentioning

confidence: 99%

“…Such applications require a relatively high OPEN ACCESS precision thermal sensor (typically ±3 °C in a wide temperature range), in order to achieve high reliability and performance [1,2]. The conventional method of thermal sensing is based on diode connected Bipolar Junction Transistor (BJT) voltage temperature dependence [2][3][4][5][6][7]. A base-emitter voltage equation of BJT transistor is (to first order approximation):…”

Section: Introductionmentioning

confidence: 99%

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Untrimmed Low-Power Thermal Sensor for SoC in 22 nm Digital Fabrication Technology

Eitan

Cohen

2014

JLPEA

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Thermal sensors (TS) are essential for achieving optimized performance and reliability in the era of nanoscale microprocessor and system on chip (SoC). Compiling with the low-power and small die area of the mobile computing, the presented TS supports a wide range of sampling frequencies with an optimized power envelope. The TS supports up to 45 K samples/s, low average power consumption, as low as 20 μW, and small core Si area of 0.013 mm 2 . Advanced circuit techniques are used in order to overcome process variability, ensuring inaccuracy lower than ±2 °C without any calibration. All this makes the presented thermal sensor a cost-effective, low-power solution for 22 nm nanoscale digital process technology.

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Managing Temperature Effects in Nanoscale Adaptive Systems

Wolpert

Ampadu

2012

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A CMOS temperature sensor with a 3σ inaccuracy of ±0.5°C from -50°C to 120°C

Cited by 25 publications

References 4 publications

Design of Advanced Thermal Sensors Which Uses Low Power Consumption

Design of Advanced Thermal Sensors Which Uses Low Power Consumption

Untrimmed Low-Power Thermal Sensor for SoC in 22 nm Digital Fabrication Technology

Managing Temperature Effects in Nanoscale Adaptive Systems

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