| 摘要 |
An amplifier which operates with low power is provided. In the amplifier, a first input unit includes a first control circuit and a second control circuit each including one terminal connected to an output node and the other terminal connected to a respective input transistor from among the plurality of input transistors, and controls the amount of current flowing into the plurality of input transistors or flowing out of the plurality of input transistors according to operating modes of the amplifier, whereby even when an A bias current is increased in order to increase a slew rate of the amplifier, a B bias current a the quiescent current do not increase.
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