By Topic

A SAR-Assisted Two-Stage Pipeline ADC

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Lee, C.C. ; Intel Corp., Hillsboro, OR, USA ; Flynn, M.P.

Successive approximation register (SAR) ADC architectures are popular for achieving high energy efficiency but they suffer from resolution and speed limitations. On the other hand pipeline ADC architectures can achieve high resolution and speed but have lower energy-efficiency and are more complex. We pro pose a two-stage pipeline ADC architecture with a large first-stage resolution, enabled with the help of a SAR-based sub-ADC. The prototype 12b 50 MS/s ADC achieves an ENOB of 10.4b at Nyquist, and a figure-of-merit of 52 f J/conversion-step. The ADC achieves low-power, high-resolution and high-speed operation without calibration. The ADC is fabricated in 65 nm and 90 nm CMOS and occupies a core area of only 0.16 mm2.

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:46 ,  Issue: 4 )