A CMOS fully balanced differential difference amplifier and its applications

H. Alzaher; M. Ismail

doi:10.1109/82.943332

A CMOS fully balanced differential difference amplifier and its applications

H. Alzaher, M. Ismail^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

109 Scopus citations

Abstract

This brief presents the fully balanced version of the differential difference amplifier (DDA) as an essential building block for implementing fully differential architectures of analog CMOS integrated circuits (ICs). We demonstrate that the fully balanced differential difference amplifier (FBDDA) provides the solution for systematically developing fully differential versions of any single-ended op-amp based circuit. We also show that, unlike the DDA, the FBDDA exhibits a wide input range without demanding complex circuitry. A low-power class AB CMOS realization of the proposed circuit has been designed and fabricated in a 1.2-μm technology. All proposed design techniques and circuits were experimentally verified.

Original language	English
Pages (from-to)	614-620
Number of pages	7
Journal	IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing
Volume	48
Issue number	6
DOIs	https://doi.org/10.1109/82.943332
State	Published - Jun 2001
Externally published	Yes

Keywords

Amplifiers
CMOS analog integrated circuits
Filters
Fully balanced differential difference amplifier
Fully differential op-amp circuits
Mixed-signal VLSI

ASJC Scopus subject areas

Signal Processing
Electrical and Electronic Engineering

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10.1109/82.943332

Cite this

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abstract = "This brief presents the fully balanced version of the differential difference amplifier (DDA) as an essential building block for implementing fully differential architectures of analog CMOS integrated circuits (ICs). We demonstrate that the fully balanced differential difference amplifier (FBDDA) provides the solution for systematically developing fully differential versions of any single-ended op-amp based circuit. We also show that, unlike the DDA, the FBDDA exhibits a wide input range without demanding complex circuitry. A low-power class AB CMOS realization of the proposed circuit has been designed and fabricated in a 1.2-μm technology. All proposed design techniques and circuits were experimentally verified.",

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AB - This brief presents the fully balanced version of the differential difference amplifier (DDA) as an essential building block for implementing fully differential architectures of analog CMOS integrated circuits (ICs). We demonstrate that the fully balanced differential difference amplifier (FBDDA) provides the solution for systematically developing fully differential versions of any single-ended op-amp based circuit. We also show that, unlike the DDA, the FBDDA exhibits a wide input range without demanding complex circuitry. A low-power class AB CMOS realization of the proposed circuit has been designed and fabricated in a 1.2-μm technology. All proposed design techniques and circuits were experimentally verified.

KW - Amplifiers

KW - CMOS analog integrated circuits

KW - Filters

KW - Fully balanced differential difference amplifier

KW - Fully differential op-amp circuits

KW - Mixed-signal VLSI

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ER -

A CMOS fully balanced differential difference amplifier and its applications

Abstract

Keywords

ASJC Scopus subject areas

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