Patent ID: 10574221

Abstract:
The present disclosure provides a comparator, an integrated circuit, and a method. One form of the comparator includes: a first mirror unit, configured to output a dynamic current to an input unit and adjust a value of the dynamic current based on a received feedback current; a second mirror unit, configured to output a fixed current to the input unit; the input unit, configured to output a first current to a feedback unit and a second current to an output unit based on a difference between a first voltage and a second voltage, the fixed current, and the dynamic current; the feedback unit, configured to output a feedback current to the first mirror unit after receiving the first current; and the output unit, configured to: obtain the second current or a mirror current of the adjusted dynamic current, output a first comparison result in response to the second current when the first voltage is greater than the second voltage, and output a second comparison result in response to the mirror current when the first voltage is less than the second voltage. The comparator can improve a comparison speed.