Parameter Optimization of High-Speed CMOS Operational Amplifiers Based on Dual-Input Stage

S. Ulyanov; Prokopenko N.; Gourary M. M.; Rusakov S. G.; Zharov M. M.

doi:10.1109/EWDTS.2017.8110144

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Parameter Optimization of High-Speed CMOS Operational Amplifiers Based on Dual-Input Stage

P. 1–4.

Ulyanov S., Prokopenko N., Gourary M. M., Rusakov S. G., Zharov M. M.

The parameter optimization features of CMOS operational amplifiers (OA) based on dual-input-stage under constraints on power consumption, unity gain frequency, phase margin, open loop gain and compensation capacitance are considered. It is shown that the maximum slew rate of the output voltage is proportional to the DC currents of dual-input-stage due to the usage of current mirror based push-pull parallel channels. The recommendations to design of high-speed CMOS OA with wide range of dynamic characteristics are given

Keywords: CMOS operational amplifiers parameter optimization

In book

Proceedings of XV IEEE East-West Design & Test Symposium (EWDTS'2017)

Piscataway: IEEE, 2017.

Подсистема параметрической оптимизации КМОП операционных усилителей

Гурарий М. М., Жаров М. М., Русаков С. Г. et al., Проблемы разработки перспективных микро- и наноэлектронных систем (МЭС) 2016 № 1 С. 109–116

The problems of development of parameter optimization subsystem of CMOS operational amplifiers are discussed. The simulation based approach is applied in the subsystem. A circuit simulator is used to obtain circuit performance measures. The structure of subsystem, choice of optimization methods, input and output data are considered. The application example of CMOS operational amplifier circuit sizing is given. ...

Added: October 5, 2017