Design of a CMOS differential difference amplifier and its applications in A/D and D/A converters. Huang, S. & Ismail, M. In IEEE Asia-Pacific Conference on Circuits and Systems - Proceedings, 1994. abstract bibtex The Differential Difference Amplifier (DDA) is an extension of an opamp with two differential inputs. DDA-based circuits often provide high input impedance and simple external circuitry due to its feature of differential difference inputs. Therefore, DDA-based circuits are competitive alternatives to opamp-based circuits. In this paper, we will present the design of a DDA using a proposed linear V-I converter whose linearity is improved by the body effect. This DDA possesses almost rail-to-rail input commonmode range and output swing and is therefore suitable for low-voltage applications. The DDA was fabricated in a MOSIS 2μm p-well process, and its simulation and experimental results will be provided. Applications in A/D and D/A converters will be discussed.
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title = {Design of a CMOS differential difference amplifier and its applications in A/D and D/A converters},
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year = {1994},
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abstract = {The Differential Difference Amplifier (DDA) is an extension of an opamp with two differential inputs. DDA-based circuits often provide high input impedance and simple external circuitry due to its feature of differential difference inputs. Therefore, DDA-based circuits are competitive alternatives to opamp-based circuits. In this paper, we will present the design of a DDA using a proposed linear V-I converter whose linearity is improved by the body effect. This DDA possesses almost rail-to-rail input commonmode range and output swing and is therefore suitable for low-voltage applications. The DDA was fabricated in a MOSIS 2μm p-well process, and its simulation and experimental results will be provided. Applications in A/D and D/A converters will be discussed.},
bibtype = {inProceedings},
author = {Huang, Shu-Chuan and Ismail, Mohammed},
booktitle = {IEEE Asia-Pacific Conference on Circuits and Systems - Proceedings}
}
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