| 1. |
- Ghanavati Nejad, Tayebeh, et al.
(author)
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A high precision logarithmic-curvature compensated all CMOS voltage reference
- 2019
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In: Analog Integrated Circuits and Signal Processing. - : Springer Science and Business Media LLC. - 0925-1030 .- 1573-1979. ; 99:2, s. 383-392
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Journal article (peer-reviewed)abstract
- This paper presents a resistor-less high-precision, sub-1 V all-CMOS voltage reference. A curvature-compensation method is used to cancel the logarithmic temperature dependence regardless of mobility temperature exponent (γ). The circuit is simulated in 65 nm CMOS technology and yields an output voltage of 594 mV, temperature coefficient of 7ppm∘C in the range of −40 to 125 °C, a power supply rejection ratio (PSRR) of − 43 dB at of 100 Hz, a line sensitivity of 76μVV in the supply voltage range of 1.2 to 2 V, a power dissipation of 1.4μW at 1.2 V supply and an output noise of 2.8μVHz at 100Hz. The total active area of the design is 0.03mm2. This voltage reference is suitable for low-power, low-voltage applications which also require high precision.
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| 2. |
- Ghanavati Nejad, Tayebeh, et al.
(author)
-
An ultra-low power high-precision logarithmic-curvature compensated all-CMOS voltage reference in 65 nm CMOS
- 2021
-
In: Analog Integrated Circuits and Signal Processing. - : Springer Science and Business Media LLC. - 0925-1030 .- 1573-1979. ; 107:2, s. 319-330
-
Journal article (peer-reviewed)abstract
- In this paper, a low-complexity resistorless high-precision sub-1 V MOSFET-only voltage reference is presented. To obtain an accurate output, a curvature-compensation technique is used, canceling its logarithmic temperature dependence regardless of the value of the mobility temperature exponent (γ). The circuit is realized in 65 nm CMOS technology and yields an output voltage of 574 mV, a temperature coefficient of 3.5 ppm∘C in the range of − 50 to 150 °C, a power supply rejection ratio (PSRR) of − 103 dB at 100 Hz, a line sensitivity of 6μVV in the supply voltage range of 1.3–3 V, a power dissipation of 650nW at 1.3 V supply, and an output noise of 1.7 μV/Hz at 100 Hz. The total active area of the design is 0.03 mm2. This voltage reference is suitable for low-power low-voltage applications which also require high precision.
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