12b 1MS/s serial ADC

12b 1MS/s serial ADC

12b 1MS/s cyclic/algorithmic serial ADC (Analog/ Digital Converter)

  • Effective Number of Bits: 11b (SNDR=68dB signal-to-noise-and-distortion-ratio)
  • Power supply 3.3V
  • 0.35um CMOS Technology
  • Low input sampling capacitor of 7pF
  • Fully differential analog voltage input (3 pins: Vin+, Vin- with adjustable common mode level Vcm)
  • Layout chip area 0.75mm²

An analog approach to compensate for OpAmp offset and finite gain in SC circuitry: A case study of a cyclic RSD ADC

Reprint of the publication from 3rd  IEE International Conference on Advanced A/D and D/A Conversion Techniques and their Applications (ADDA’02) Prague, Czech Republic, June 2002

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