Title:
比較器、ＡＤ変換器、固体撮像装置、電子機器、比較器の制御方法、およびデータ転送回路
Document Type and Number:
Japanese Patent JP6760258
Kind Code:
B2
Abstract:
An imaging device for improving the determining speed of a comparator and reducing power consumption. The comparator imaging device includes a differential input circuit that operates with a first power supply voltage, the differential input circuit outputs a signal when an input signal is higher than a reference signal in voltage, and a positive feedback circuit that operates with a second power supply voltage lower than the first power supply voltage. The positive feedback circuit accelerates transition speed when a compared result signal indicating a compared result between the input signal and the reference signal in voltage, is inverted, on the basis of the output signal of the differential input circuit. The imaging device further includes a voltage conversion circuit that converts the output signal of the differential input circuit into a signal corresponding to the second power supply voltage.
Inventors:
Hidekazu Kikuchi
Tadayuki Taura
Masaki Sakakibara
Tadayuki Taura
Masaki Sakakibara
Application Number:
JP2017502042A
Publication Date:
September 23, 2020
Filing Date:
February 09, 2016
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H04N5/378; H03K5/08; H03M1/56; H04N5/3745
Domestic Patent References:
| JP2006238444A |
Attorney, Agent or Firm:
Takashi Nishikawa
Yoshio Inamoto
Yoshio Inamoto
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