Inverter-based flash analog-to-digital converter using floating resistor ladder
standard
posted on 2023-06-07, 20:30authored byDay-Uei Li, Chun-Chi Chen
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.