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US 10,396,729 B2Granted
Differential circuit and operational amplifier
AssigneeFuji Electric Co., Ltd.
InventorMotomitsu Iwamoto
Life of this patent
Estimating the term…
Abstract
A differential circuit including: a first MOS transistor and a second MOS transistor that constitute a differential pair; a determination unit to determine a level of a determination target signal that is based on at least one of differential inputs being input to gate of the first MOS transistor and a gate of the second MOS transistor; and a voltage changing unit to change a back gate voltage that is supplied to both back gates of the first MOS transistor and the second MOS transistor according to a determination result of the determination unit, and an OP-amp will be provided.
Claims14
A differential circuit comprising:
- a first MOS transistor and a second MOS transistor that constitute a differential pair;
- a determination unit to determine a level of a determination target signal that is based on at least one of differential inputs being input to a gate of the first MOS transistor and a gate of the second MOS transistor;
- and
- a voltage changing unit to change a back gate voltage that is supplied to both back gates of the first MOS transistor and the second MOS transistor according to a determination result of the determination unit.
1 more element
Dependencies are inferred from the claim text.