Fully Differential Difference Amplifier for Low-Noise and Low-Distortion Applications

被引：5

作者：

Arbet, Daniel ^{[1
]}

Nagy, Gabriel ^{[1
]}

Kovac, Martin ^{[1
]}

Stopjakova, Viera ^{[1
]}

机构：

[1] Slovak Univ Technol Bratislava, Inst Elect & Photon, Ilkovicova 3, Bratislava, Slovakia

来源：

JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS | 2016年 / 25卷 / 03期

关键词：

Fully differential difference amplifier; high dynamic range; low-noise;

D O I：

10.1142/S0218126616400193

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, a fully differential difference amplifier (FDDA) designed in 0.35 mu m CMOS technology is presented. The proposed amplifier reaches high dynamic range (DR) and low input referred noise. Comparison of noise performance of the proposed FDDA to an ordinary differential amplifier has been performed. Achieved results prove that the developed amplifier circuit can be advantageously used in applications that require a fully differential signal. Then, simulation results have been verified by the measurement of prototyped chips. In our work, the proposed amplifier was experimentally employed in the analog frontend of the readout interface (RI) for a Micro-Electro-Mechanical-Systems (MEMS) capacitive microphone.

引用

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