A 1-GSPS CMOS Flash A/D Converter for System-on-Chip Applications

Authors:
Jincheol Yoo;Kyusun Choi;Ali Tangel
Affiliations:
-;-;-
Venue:
WVLSI '01 Proceedings of the IEEE Computer Society Workshop on VLSI 2001
Year:
2001

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Abstract

Abstract: This paper presents an ultrafast CMOS flash A/D converter design and performance. Although the featured A/D converter is designed in CMOS, the performance is compatible to that of GaAs technology currently available. To achieve high-speed in CMOS, the featured A/D converter utilizes the Threshold Inverter Quantization (TIQ) technique. A 6-bit TIQ based flash A/D converter was designed with the 0.25 µm standard CMOS technology parameter. It operates with sampling rates up to 1 GSPS, dissipates 66.87mW of power at 2.5 V, and occupies 0.013 mm2 area. The proposed A/D converter is suitable for System-on- Chip (SOC) applications in wireless products and other ultra high speed applications.