OpAmp Design & Application Tutorial – Digital-to-Analog Converter (DAC) Circuit R-2R Ladder – Part 5

This concludes the series of tutorial videos on the R-2R ladder network circuit as an example of operational amplifier design and applications. The video will continue to discuss the 4-bit digital-to-analog converter (DAC) and R-2R ladder circuit using the superposition principle to analyze the DAC.

After viewing the above video on the R-2R digital-to-analog converter (DAC), the analysis showed that this circuit is equivalent to a binary weighted DAC. As mentioned on previous posts, the R-2R DAC is easier to fabricate than the binary-weighted DAC. An R-2R does not require or a wide range of resistor values as the number of binary inputs increase.

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