Reference-ripple compensation technique for SAR ADC

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12212335
APP PUB NO 20240333300A1
SERIAL NO

18126924

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Abstract

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An analog-to-digital converter (ADC) circuit includes a digital-to-analog converter (DAC) circuit, a comparator circuit, an encoder, and a compensation circuit. The DAC circuit receives a reference voltage and provides an output signal based on the reference voltage. The comparator circuit compares the output signal with an analog input signal and generates a comparison signal. A reset command is generated based on the output signal being greater than the analog input signal. The encoder splits a ripple associated with the reference voltage into multiple pulses in response to a reset command. The compensation circuit generates, responsive to the reset command, compensation pulses to compensate the multiple pulses.

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Patent Owner(s)

  • AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cao, Jun Irvine, US 343 2631
Liu, Yong Irvine, US 1235 24302
Meng, Xin Ladera Ranch, US 29 163

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