Inverter-based flash analog-to-digital converter using floating resistor ladder

Chun-Chi Chen (Inventor), David Li (Inventor)

Research output: Patent


An analog-to-digital converter device for converting an analog signal into a digital signal includes a comparator array including a plurality of comparators, each of the comparators including a first inverter and a second inverter connected in series with the first inverter, a resistor string including a plurality of resistors connected in series, each of the resistors corresponding to one of the plurality of comparators, and a current generator for providing a constant current flowing through the resistor string.
Original languageEnglish
Patent numberEP1780894 A3
Priority date27/10/05
Publication statusPublished - 2 May 2007


  • analog-to-digital converter
  • floating resistor ladder


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