Low-Voltage Low-Power CMOS Rail-to-Rail Voltage-to-Current Converters

被引：24

作者：

Azcona, Cristina ^{[1
]}

Calvo, Belen ^{[1
]}

Celma, Santiago ^{[1
]}

Medrano, Nicolas ^{[1
]}

Martinez, Pedro A. ^{[1
]}

机构：

[1] Univ Zaragoza, Elect Design Grp I3A, E-50009 Zaragoza, Spain

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2013年 / 60卷 / 09期

关键词：

CMOS analog integrated circuits; converters; low power design; CHIP;

D O I：

10.1109/TCSI.2013.2244432

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：

This paper presents three compact CMOS voltage-to-current converters based on OTA/common-source configurations, which attain rail-to-rail input-output operation. The three converters present a high impedance input node while provide a highly linear V-I relationship over a (-40, +120 degrees C) temperature range with a maximum transconductance temperature coefficient of 175 ppm/degrees C. Measurement results for 1.2-V 0.18-mu m CMOS implementations confirm rail-to-rail operation with bandwidths of up to 14.5 MHz and THD of up to -50 dB for 1 V-pp at 100 kHz, active areas below 0.0145 mu m(2) and power consumption below 85 mu W, which make these basic building blocks suitable for portable applications.

引用

页码：2333 / 2342

页数：10

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