Low-offset band-gap reference voltage source
A reference voltage source and reference voltage technology, applied in the direction of adjusting electrical variables, control/regulation systems, instruments, etc., can solve the reference source output voltage error, the impact of bandgap reference voltage source output accuracy and stability, reference voltage error, etc. question
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[0037] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention is not limited to these embodiments. The present invention covers any alternatives, modifications, equivalent methods and schemes made on the spirit and scope of the present invention. In order to provide the public with a thorough understanding of the present invention, specific details are set forth in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details.
[0038] refer to figure 2, shows a circuit diagram of an embodiment of a low offset bandgap reference voltage source according to the present invention, the bandgap reference voltage source is composed of a reference voltage generation circuit 21 and an offset voltage elimination circuit 22, wherein the reference The voltage generating circuit i...
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