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8-mW, 1-V, 100-MSample/s, 6-bit A/D Converter Using a Latched Comparator Operating in the Triode Region
Jun TERADA Yasuyuki MATSUYA Fumiharu MORISAWA Yuichi KADO
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E86-A
No.2
pp.313-317 Publication Date: 2003/02/01
Online ISSN:
DOI:
Print ISSN: 0916-8508 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: A/D converter, low voltage, low power, bubble error, monotonicity,
Full Text: PDF>>
Summary:
A very low-power, high-speed flash A/D converter front-end composed of a new latched comparator was developed. We established a butterfly sorting technique to guarantee the monotonicity of the converter. The 6-bit A/D front-end achieves a speed of 100 Msps and dynamic range of 33 dB with power consumption of only 7 mW at the supply voltage of 1 V, and the butterfly sorter guarantees 6-bit monotonicity with an extra power consumption of 1 mW.
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