IEEE Solid-States Circuits Magazine - Winter 2022 - 45

Athanasios Ramkaj, Marcel J.M. Pelgrom, Michiel S.J. Steyaert, and Filip Tavernier
In the Pursuit of the
Optimal Accuracy-Speed-
Power Analog-to-Digital
Converter Architecture
A mathematical framework
T
he everlasting
challenge in the design
of every analogto-digital
converter
(ADC) lies in maximizing
the accuracy·speed÷power
product by pushing all metrics toward
their desired directions. To this
end, tremendous progress has been
made in advancing ADC performance
both circuit- and architecture-wise.
These advances have been captured
by means of comparing experimental
data points in surveys, with [1] being
the most noteworthy. However, such
comparisons give an ill-defined view
since the data points correspond to
different architectures that were optimized
under different constraints
and implemented in different process
nodes. This provides little insight
on architectural limits and makes a
direct comparison under similar assumptions
nontrivial.
This article introduces a mathematical
framework to systematically
estimate and compare the accuracy-speed-power
limits of different
ADC architectures with a complete
decomposition of the blocks' contributions.
(Speed refers to both
sample rate and bandwidth in the
sense that they are tightly coupled,
Digital Object Identifier 10.1109/MSSC.2021.3128310
Date of current version: 24 January 2022
1943-0582/22©2022IEEE
IEEE SOLID-STATE CIRCUITS MAGAZINE WINTER 2022
45

IEEE Solid-States Circuits Magazine - Winter 2022

Table of Contents for the Digital Edition of IEEE Solid-States Circuits Magazine - Winter 2022

Contents
IEEE Solid-States Circuits Magazine - Winter 2022 - Cover1
IEEE Solid-States Circuits Magazine - Winter 2022 - Cover2
IEEE Solid-States Circuits Magazine - Winter 2022 - Contents
IEEE Solid-States Circuits Magazine - Winter 2022 - 2
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IEEE Solid-States Circuits Magazine - Winter 2022 - Cover3
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