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Analog-to-digital converter




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4-channel stereo multiplexed analog-to-digital converter WM8775SEDS made by Wolfson Microelectronics placed on a X-Fi Fatal1ty Pro sound card.

An analog-to-digital converter (abbreviated ADC, A/D or A to D) is an electronic integrated circuit that converts a continuous quantity to a discrete time digital number. An ADC may also provide an isolated measurement. The reverse operation is performed by a digital-to-analog converter (DAC).

Typically, an ADC is an electronic device that converts an input analog voltage or current to a digital number. The size of the number grows with an increase in the input voltage or current. However, some non-electronic or only partially electronic devices, such as rotary encoders, can also be considered ADCs.

References

  • Allen, Phillip E.; Holberg, Douglas R., CMOS Analog Circuit Design, ISBN 0-19-511644-5
       
      , http://www.analog.com/library/analogDialogue/archives/39-06/data_conversion_handbook.html 
       
  • Knoll, Glenn F. (1989), Radiation Detection and Measurement (2nd ed.), New York: John Wiley & Sons, pp. 665–666 
  • Liu, Mingliang, Demystifying Switched-Capacitor Circuits, ISBN 0-7506-7907-7
       
  • Nicholson, P. W. (1974), Nuclear Electronics, New York: John Wiley & Sons, pp. 315–316 
  • Norsworthy, Steven R.; Schreier, Richard; Temes, Gabor C. (1997), Delta-Sigma Data Converters, IEEE Press, ISBN 0-7803-1045-4
       
       
     , ISSN 0733-8716
      , http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=761034 

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[[Category:Electronic circuits