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2012•International Journal of ElectronicsRequires access

A 6-bit digital to analogue converter based on current mirrors

Shu-Chung Yi

Open publisher page 5 citations

Abstract

In this article, a digital to analogue converter (DAC) based on multi-weighted current sources is proposed. This research requires only three kinds of current sources for a 6-bit DAC. The proposed DAC is implemented by 0.18 µm CMOS technology. The post-layout simulations of integral nonlinearity and differential nonlinearity are 0.076 and 0.099 LSB, respectively. The core area of the chip is 640 µm2. The DAC consumes 3.5 mW at the sample rate of 1.6 GHz with a supply voltage of 1.8 V. The specifications of the proposed DAC make it suitable for a portable device.

About this research paper

What this paper is about

In this article, a digital to analogue converter (DAC) based on multi-weighted current sources is proposed. This research requires only three kinds of current sources for a 6-bit DAC. The proposed DAC is implemented by 0.18 µm CMOS technology. The post-layout simulations of integral nonlinearity and differential nonlinearity are 0.076 and 0.099 LSB, respectively. The core area of the chip is 640 µm2. The DAC consumes 3.5 mW at the sample rate of 1.6 GHz with a supply voltage of 1.8 V. The specifications of the proposed DAC make it suitable for a portable device.

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OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

In this article, a digital to analogue converter (DAC) based on multi-weighted current sources is proposed. This research requires only three kinds of current sources for a 6-bit DAC. The proposed DAC is implemented by 0.18 µm CMOS technology. The post-layout simulations of integral nonlinearity and differential nonlinearity are 0.076 and 0.099 LSB, respectively. The core area of the chip is 640 µm2. The DAC consumes 3.5 mW at the sample rate of 1.6 GHz with a supply voltage of 1.8 V. The specifications of the proposed DAC make it suitable for a portable device.

Key concepts: Bit (key), Current (fluid), Electronic engineering, Digital-to-analog converter, Current mirror, Electrical engineering, Computer science, Analog-to-digital converter

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