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Bandgap reference circuit and bandgap reference current source with two operational amplifiers for generating zero temperature correlated current
Bandgap reference circuit and bandgap reference current source with two operational amplifiers for generating zero temperature correlated current
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机译：带隙基准电路和带隙基准电流源，带有两个运算放大器，用于产生零温度相关电流
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摘要
The present invention provides a bandgap reference circuit. The bandgap reference circuit includes a first bipolar junction transistor, a first resistor, for generating a proportional to absolute temperature current, a second resistor, for generating a complementary to absolute temperature current, a first operational amplifier, coupled with the first bipolar junction transistor and the first resistor, a second operational amplifier, coupled with the first bipolar junction transistor and the second resistor, and a zero temperature correlated current generator, for summing the proportional to absolute temperature current and the complementary to absolute temperature current, to generate a zero temperature correlated current.
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