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Power supply noise coupling in a standard voltage reference circuit

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3 Author(s)
Murat Ozbas ; Dept. of Electr. Eng., Rochester Inst. of Technol., NY, USA ; Patru, D. ; Mukund, P.R.

Power supply noise (PSN) coupling represents a challenge in the design of current and future analog and mixed-signal circuits. This paper studies the impact of PSN coupling on a key analog circuit building block: a voltage reference. A model representing the amount of noise coupling in the frequency domain is developed and verified through simulations. A design solution for increasing high frequency PSN rejection is identified and evaluated. Finally, the effect of technology scaling on PSN is studied in two successive CMOS processes.

Published in:

SOC Conference, 2003. Proceedings. IEEE International [Systems-on-Chip]

Date of Conference:

17-20 Sept. 2003