CN0005 Generating a Negative Precision Reference Voltage Without Using Precision Resistors

Publisher:cwm6269310Latest update time:2011-03-28 Source: 互联网 Reading articles on mobile phones Scan QR code
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Circuit Function and Benefits
The traditional method of generating a negative reference voltage from a positive reference voltage uses only an inverting op amp, which requires two precision matched resistors. If there is an error in the matching, there will be an error in the final output. Using the circuit described in this article, a negative precision reference voltage can be generated without the use of precision resistors, providing higher accuracy with fewer components.

[Attachment: CN0005 Generating Negative Precision Reference Voltage Without Using Precision Resistors]

Reference address:CN0005 Generating a Negative Precision Reference Voltage Without Using Precision Resistors

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