Nano watt power rail-to-rail CMOS amplifier with adaptive biasing circuits for ultralow-power analog LSIs

被引：5

作者：

Ozaki, Toshihiro ^{[1
]}

Hirose, Tetsuya ^{[1
]}

Tsubaki, Keishi ^{[1
]}

Kuroki, Nobutaka ^{[1
]}

Numa, Masahiro ^{[1
]}

机构：

[1] Kobe Univ, Grad Sch Engn, Dept Elect & Elect Engn, Kobe, Hyogo 6578501, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2015年 / 54卷 / 04期

关键词：

D O I：

10.7567/JJAP.54.04DE13

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this paper, we present a rail-to-rail folded-cascode amplifier (AMP) with adaptive biasing circuits (ABCs). The circuit uses a nano ampere current reference circuit to achieve ultralow-power and ABCs to achieve high-speed operation. The ABCs are based on conventional circuits and modified to be suitable for rail-to-rail operation. The measurement results demonstrated that the AMP with the proposed ABCs can operate with an ultralow-power of 384 nA when the input voltage was 0.9V and achieve high speeds of 0.162V/mu s at the rise time and 0.233V/mu s at the fall time when the input pulse frequency and the amplitude were 10 kHz and 1.5V(pp), respectively. (C) 2015 The Japan Society of Applied Physics

引用

页数：6

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