| 摘要 |
A selected bandgap reference ( 11 ) of a voltage generator ( 10 ) is operated at a duty cycle that is less than one hundred percent. The seclectable bandgap reference ( 11 ) has at a high current consumption when enabled and a low current consumption when disabled. The output voltage of the selectable bandgap reference ( 11 ) is stored on a storage element ( 13 ) when the selectable bandgap reference ( 11 ) is enabled. A high impedance amplifier ( 16 ) receives the stored voltage and generates the reference voltage.
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