| 摘要 |
In an digital/analog converter having a conversion circuit for converting a digital signal into an analog signal, and an output voltage follower connected to the conversion circuit, a voltage amplitude lowering circuit for lowering an amplitude of power supply voltages applied to the conversion circuit to conform to an amplitude of a linear output of the voltage follower, and a voltage amplitude enlarging circuit for enlarging the amplitude of the output of the voltage follower.
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