US Patent Application 18354917. COMPARATOR, AD CONVERTER, SOLID-STATE IMAGING DEVICE, ELECTRONIC APPARATUS, AND METHOD OF CONTROLLING COMPARATOR simplified abstract
COMPARATOR, AD CONVERTER, SOLID-STATE IMAGING DEVICE, ELECTRONIC APPARATUS, AND METHOD OF CONTROLLING COMPARATOR
Organization Name
Inventor(s)
Masaki Sakakibara of Kanagawa (JP)
Kenichi Aoyagi of Kanagawa (JP)
COMPARATOR, AD CONVERTER, SOLID-STATE IMAGING DEVICE, ELECTRONIC APPARATUS, AND METHOD OF CONTROLLING COMPARATOR - A simplified explanation of the abstract
This abstract first appeared for US patent application 18354917 titled 'COMPARATOR, AD CONVERTER, SOLID-STATE IMAGING DEVICE, ELECTRONIC APPARATUS, AND METHOD OF CONTROLLING COMPARATOR
Simplified Explanation
- The present disclosure is about a comparator that aims to reduce power consumption and increase the determination speed. - The comparator includes a comparison unit, a positive feedback circuit, and a current limiting unit. - The comparison unit compares the voltage of an input signal and a reference signal and outputs a comparison result signal. - The positive feedback circuit enhances the transition speed when the comparison result signal is inverted. - The current limiting unit restricts the current flowing in the comparison unit after the inversion of the comparison result signal. - This innovation can be applied to comparators, among other applications.
Original Abstract Submitted
The present disclosure relates to a comparator, an AD converter, a solid-state imaging device, an electronic apparatus, and a comparator control method that can reduce power consumption while increasing the determination speed of the comparator. The comparator includes a comparison unit, a positive feedback circuit, and a current limiting unit. The comparison unit compares the voltage of an input signal and the voltage of a reference signal, and outputs a comparison result signal. The positive feedback circuit increases the transition speed at the time when the comparison result signal is inverted. The current limiting unit limits the current flowing in the comparison unit after the inversion of the comparison result signal. The present disclosure can be applied to comparators, for example.
