A Time-Based Pipelined ADC Using Both Voltage and Time Domain Information

  title={A Time-Based Pipelined ADC Using Both Voltage and Time Domain Information},
  author={Taehwan Oh and Hariprasath Venkatram and Un-Ku Moon},
  journal={IEEE Journal of Solid-State Circuits},
In this paper, a Nyquist ADC with a time-based pipelined TDC is proposed. In the proposed ADC, the first pipeline stage incorporates both residue amplification and a V-T conversion with high accuracy, efficiently realized by a low gain amplifier with only 24 dB dc gain. Furthermore, adding to power efficiency, a hybrid time-domain pipeline stage based on simple charge pump and capacitor DAC in its backend stages is also proposed. Using the right combination of voltage and time domain… CONTINUE READING
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