Analog Circuits in Ultra-Deep-Submicron CMOS


Annema, Anne-Johan and Nauta, Bram and Langevelde, Ronald van and Tuinhout, Hans (2005) Analog Circuits in Ultra-Deep-Submicron CMOS. IEEE journal of solid-state circuits, 40 (1). pp. 132-143. ISSN 0018-9200

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Abstract:Modern and future ultra-deep-submicron (UDSM) technologies introduce several new problems in analog design. Nonlinear output conductance in combination with reduced voltage gain pose limits in linearity of (feedback) circuits. Gate-leakage mismatch exceeds conventional matching tolerances. Increasing area does not improve matching any more, except if higher power consumption is accepted or if active cancellation techniques are used. Another issue is the drop in supply voltages. Operating critical parts at higher supply voltages by exploiting combinations of thin- and thick-oxide transistors can solve this problem. Composite transistors are presented to solve this problem in a practical way. Practical rules of thumb based on measurements are derived for the above phenomena.
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Copyright:©2005 IEEE
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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