An Ultra-Low-Voltage, Wide Signal Swing, and Clock-Scalable Dynamic Amplifier Using a Common-Mode Detection Technique

James LIN, Masaya MIYAHARA, Akira MATSUZAWA

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Summary :

This paper proposes an ultra-low-voltage, wide signal swing, and clock-scalable differential dynamic amplifier using a common-mode voltage detection technique. The essential characteristics of an amplifier, such as gain, linearity, power consumption, noise, etc., are analyzed. In measurement, the proposed dynamic amplifier achieves a 13dB gain with less than 1dB drop over a differential output signal swing of 340mVpp with a supply voltage of 0.5V. The attained maximum operating frequency is 700MHz. With a 0.7V supply, the gain increases to 16dB with a signal swing of 700mVpp. The prototype amplifier is fabricated in 90nm CMOS technology with the low threshold voltage and the deep N-well options.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E97-A No.12 pp.2400-2410
Publication Date
2014/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E97.A.2400
Type of Manuscript
Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category
Circuit Design

Authors

James LIN
  Tokyo Institute of Technology
Masaya MIYAHARA
  Tokyo Institute of Technology
Akira MATSUZAWA
  Tokyo Institute of Technology

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