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Bandgap reference having power supply ripple rejection
Bandgap reference having power supply ripple rejection
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机译:具有电源纹波抑制功能的带隙基准
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摘要
A bandgap reference circuit provides an output reference voltage that is generally insensitive to fluctuations in supply voltage, ambient temperature, and output load current. A current regulator establishes an output whose variations are reduced, preferably logarithmically, relative to variations in a supply voltage. A bandgap generator fed by the output current provides an output reference voltage with similarly suppressed variations. A control amplifier biases the bandgap generator to provide a high level common-mode rejection of various error sources.
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