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A 10 Bit Current-Mode CMOS A/D Converter with a Current Predictor and a Modular Current Reference

Soung Hoon SHIM, Kwang Sub YOON

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Summary :

This paper describes a 10 bit CMOS current-mode A/D converter with a current predictor and a modular current reference circuit. A current predictor and a modular current reference circuit are employed to reduce the number of comparator and reference current mirrors and consequently to decrease a power dissipation. The 10 bit current-mode A/D converter is fabricated by the 0.6 µm n-well double poly/triple metal CMOS technology. The measurement results show the input current range of 16 µA to 528 µA, DNL and INL of 0.5 LSB and 1.0 LSB, conversion rate of 10 Msamples, and power dissipation of 94.4 mW with a power supply of 5 V. The effective chip area excluding the pads is 1.8 mm 2.4 mm.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E82-A No.2 pp.279-285
Publication Date
1999/02/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
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