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

被引：4
|
作者：
Yi, Shu-Chung [1 ]
机构：
[1] Natl Changhua Univ Educ, Grad Inst Integrated Circuit Design, Changhua 50007, Taiwan
来源：
INTERNATIONAL JOURNAL OF ELECTRONICS | 2012年 / 99卷 / 09期
关键词：
digital to analogue converter; portable device;
D O I：
10.1080/00207217.2012.669707
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 mm 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 mu m(2). The DAC consumes 3.5mW at the sample rate of 1.6GHz with a supply voltage of 1.8 V. The specifications of the proposed DAC make it suitable for a portable device.
引用
收藏
页码：1291 / 1298
页数：8
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