Very Low Power,Low Voltage,High Accuracy,and High Performance Current Mirror

被引：0

作者：

Hassan Faraji Baghtash ^{[1
]}

Khalil Monfaredi ^{[1
]}

Ahmad Ayatollahi ^{[1
]}

机构：

[1] the Electricaland Electronic Engineering Department, Iran University of Science and Technology

来源：

Journal of Electronic Science and Technology | 2011年 / 9卷 / 03期

关键词：

Current mirror/source; high accurate; high output resistance; low power; low voltage;

D O I：

暂无

中图分类号：

TN47 [大规模集成电路、超大规模集成电路];

学科分类号：

080903 ; 1401 ;

摘要：

A novel low power and low voltage current mirror with a very low current copy error is presented and the principle of its operation is discussed. In this circuit, the gain boosting regulated cascode scheme is used to improve the output resistance, while using inverter as an amplifier. The simulation results with HSPICE in TSMC 0.18 um CMOS technology are given, which verify the high performance of the proposed structure. Simulation results show an input resistance of 0.014Ω and an output resistance of 3 GΩ. The current copy error is favorable as low as 0.002% together with an input (the minimum input voltage of vin,min~ 0.24 V) and an output (the minimum output voltage of vout,min~ 0.16 V) compliances while working with the 1 V power supply and the 50 uA input current. The current copy error is near zero at the input current of 27uA. It consumes only 76uW and introduces a very low output offset current of 50 pA.

引用

页码：211 / 215

页数：5

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