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Demystifying Switched Capacitor Circuits
book

Demystifying Switched Capacitor Circuits

by Mingliang (Michael) Liu
June 2006
Intermediate to advanced content levelIntermediate to advanced
336 pages
10h 24m
English
Newnes
Content preview from Demystifying Switched Capacitor Circuits
Advanced Switched-Capacitor Circuit Techniques
251
standby mode), then it can be shown that the average power dissipation is given by
[6]
PkTDRf
V
V
N
in
dd
=
(
)
4 (7.2)
where DR represents the dynamic range (i.e., accuracy), f
N
is the Nyquist signal
bandwidth (i.e., speed), and V
dd
is the power supply voltage. Thus, in contrast to a
digital CMOS IC whose power dissipation decreases in proportion to the square of
V
dd
, an analog CMOS IC may actually consume more power as the supply voltage is
lowered.
Special CMOS process techniques such as the multiple-layer masking [7] can be
used to reduce the threshold voltage of the MOS transistor. Also, the fl oati ...
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Publisher Resources

ISBN: 9780750679077