Resolution programmable SAR ADC

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United States of America Patent

PATENT NO 9906232
SERIAL NO

15455915

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Abstract

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An example successive approximation (SAR) analog-to-digital converter (ADC) includes: a track-and-hold (T/H) circuit configured to receive an analog input signal; a digital-to-analog converter (DAC); an adder having inputs coupled to outputs of the T/H circuit and the DAC; a comparison circuit coupled to an output of the adder and configured to perform a comparison operation; and a control circuit, coupled to an output of the comparison circuit, configured to: receive a selected resolution; gate the comparison operation of the comparison circuit based on the selected resolution; and generate a digital output signal having the selected resolution.

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Patent Owner(s)

  • XILINX, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Junho Cupertino, US 19 145
Poon, Chi Fung Sunnyvale, US 8 43
Upadhyaya, Parag Los Gatos, US 57 306

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