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[Keyword] folding/interpolating(1hit)

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  • A Current-Mode Folding/Interpolating CMOS A/D Converter with Multiplied Folding Amplifiers

    Hyung Hoon KIM  Kwang Sub YOON  

     
    LETTER

      Vol:
    E84-A No:2
      Page(s):
    563-567

    A current-mode folding and interpolating analog to digital converter (ADC) architecture with multiplied folding amplifiers is proposed in this paper. A current-mode multiplied folding amplifier is employed not only to reduce the number of reference current source, but also to decrease a power dissipation within the ADC. The proposed ADC for 12 bit was designed by a 0.65 µm n-well CMOS single poly/double metal process. The simulated result shows a differential nonlinearity (DNL) of 0.5LSB, an integral nonlinearity (INL) of 1.0LSB, 20 Ms/s of the data conversion rate, and the power dissipation of 180 mW with a power supply of 5 V.