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Bandgap system with tunable temperature coefficient of the output voltage
Bandgap system with tunable temperature coefficient of the output voltage
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机译:带隙系统,输出电压的温度系数可调
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摘要
A voltage supply circuit for generating a composite bandgap reference voltage includes a single bandgap reference voltage circuit and a select circuit. The bandgap reference circuit has a first output to generate a first bandgap voltage having a first temperature coefficient and has a second output to generate a second bandgap voltage having a second temperature coefficient that is different from the first temperature coefficient. The select circuit has a first input to receive the first bandgap voltage, a second input to receive the second bandgap voltage, and an output to selectively provide either the first bandgap voltage or the second bandgap voltage as the composite bandgap reference voltage.
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