Band gap reference circuit
In some aspects of the present disclosure, a band gap reference circuit includes a first current mirror and a first resistor coupled to the first current mirror to provide a proportional to absolute temperature (PTAT) voltage. The circuit includes a second current mirror and a bipolar junction trans...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | In some aspects of the present disclosure, a band gap reference circuit includes a first current mirror and a first resistor coupled to the first current mirror to provide a proportional to absolute temperature (PTAT) voltage. The circuit includes a second current mirror and a bipolar junction transistor (BJT) device coupled to the second current mirror to provide a complementary to absolute temperature (CTAT) voltage. The circuit includes an output node to provide a band gap voltage, the band gap voltage being a weighted sum of the PTAT voltage and the CTAT voltage. The circuit includes a second resistor coupled between the output node and a first node, where the first node is coupled between the first resistor and the first current mirror. The circuit includes a third resistor coupled between the output node and a second node, where the second node is coupled between the BJT device and the second current mirror.
在本揭示内容的一些态样中，一种能带间隙参考电路包括一第一电流镜及一第一电阻器，该第一电阻器耦接至该第一电流镜以提供一绝对温度成正比(PTAT)电压。该电路包括一第二电流镜及一双极接面晶体管(B |
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