A 12-BIT, LOW-VOLTAGE, NANOAMPERE-BASED, ULTRALOW-POWER, ULTRALOW-GLITCH CURRENT-STEERING DAC FOR HDTV

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AZHARI SEYED JAVAD; MONFAREDI KHALIL; AMIRI SALAR

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Journal Paper

Paper Information

Journal: INTERNATIONAL NANO LETTERS (INL) Year:2012 | Volume:2 | Issue:2 Page(s): 1-7

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Information Journal Paper

Title

A 12-BIT, LOW-VOLTAGE, NANOAMPERE-BASED, ULTRALOW-POWER, ULTRALOW-GLITCH CURRENT-STEERING DAC FOR HDTV

Author(s)

AZHARI SEYED JAVAD | MONFAREDI KHALIL | AMIRI SALAR | Issue Writer Certificate

Keywords

DAC

NANOAMPERE

WEAK INVERSION

ULTRALOW POWER

ULTRALOW GLITCH

LOW VOLTAGE

Abstract

In this paper, a novel 12-bit current-steering binary-weighted digital-to-analog converter (DAC) based on NANOAMPERE bits is designed and modified for high-definition television (HDTV) applications. As a part of a widely used consumer appliance, it is aimed to be such designed to consume power as low as possible.Hence, as a distinguished idea, prime concentration is focused on the reduction of the currents providing the bits of the proposed DAC. To do this, current mirrors operating in the WEAK INVERSION region are arranged to establish the least significant bit (LSB) current as low as 10 nA while the power supply is also reduced to 1 V, resulting to an ULTRALOW POWER of 52.9mW. Many other powerful ideas are then deliberately combined to maintain both high speed and very low glitches required for HDTV application despite those ultralow currents and power. The result is a speed of 100 MS/s, an ULTRALOW GLITCH of ≃10.91 fAs, |INL| ≤ 0.988 LSB, |DNL| ≤0.99 LSB, and a spurious-free dynamic range of ≃73 dB. These results caused the proposed DAC to execute a distinguished overall performance (defined as figure of merit) greatly better than some other advanced ones by outstanding ratios of 77 to 277, 185. Hspice simulations with the SMIC 0.18-mm complementary metal-oxide semiconductor technology have been used to validate the proposed circuit. Performance evaluation of the proposed DAC versus Monte Carlo simulations and also a wide range of temperature variations proved both its well mismatch insensitivity and thermal stability.

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APA: Copy

AZHARI, SEYED JAVAD, MONFAREDI, KHALIL, & AMIRI, SALAR. (2012). A 12-BIT, LOW-VOLTAGE, NANOAMPERE-BASED, ULTRALOW-POWER, ULTRALOW-GLITCH CURRENT-STEERING DAC FOR HDTV. INTERNATIONAL NANO LETTERS (INL), 2(2), 1-7. SID. https://sid.ir/paper/321415/en

Vancouver: Copy

AZHARI SEYED JAVAD, MONFAREDI KHALIL, AMIRI SALAR. A 12-BIT, LOW-VOLTAGE, NANOAMPERE-BASED, ULTRALOW-POWER, ULTRALOW-GLITCH CURRENT-STEERING DAC FOR HDTV. INTERNATIONAL NANO LETTERS (INL)[Internet]. 2012;2(2):1-7. Available from: https://sid.ir/paper/321415/en

IEEE: Copy

SEYED JAVAD AZHARI, KHALIL MONFAREDI, and SALAR AMIRI, “A 12-BIT, LOW-VOLTAGE, NANOAMPERE-BASED, ULTRALOW-POWER, ULTRALOW-GLITCH CURRENT-STEERING DAC FOR HDTV,” INTERNATIONAL NANO LETTERS (INL), vol. 2, no. 2, pp. 1–7, 2012, [Online]. Available: https://sid.ir/paper/321415/en

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