Binary Weighted Resistor DAC Explained

In this video, the basic terminologies of the DAC like what is the resolution, step size and full-scale output voltage of DAC is explained. And then Binary Weighted Resistor Type DAC is explained in detail with the examples and its limitation.By watching this video, you will learn the following topics:0:45 what is Step Size, Resolution and Full-scale output voltage of DAC?6:19 Binary Weighted Resistor DAC ( 3- Bit example)14:50 Binary Weighted Resistor DAC limitations (with example)Step Size of DAC :The Step Size or the voltage corresponds to 1 LSB (Resolution) is the minimum possible change in the output when the digital code is changed by 1 LSB. Full-Scale Output Voltage of DAC The Full-Scale output voltage is the maximum output possible with the DAC. FSO = [( 2 ^n ) - 1] x step sizeOr step size = FSO / [ ( 2 ^n ) - 1]Binary Weighted Resistor DAC :The binary Weighted Resistor DAC can be designed by using the op-amp as a summing amplifier.If the input and the value of the resistors are in the according to the binary number then it can be used to convert the digital input into an analog output.Limitations of Binary Weighted Resistor DAC:As the number of bits increases, the difference between the minimum and the maximum required resistor value for DAC will increase. And it is difficult to fabricate the resistor with good accuracy in the multiplication of 2.In fact, that can increase the error in the output.That's why this DAC is not used when high resolution and high accuracy is required.Check out the other useful videos related to ADC, DAC, and op-amp.1) Introduction to ADC and DAChttps://youtu.be/HicZcgdGxZY2) op-amp as a summing amplifierhttps://youtu.be/jsKSfaFQ4d4This video will be helpful to all the students or science and engineering in understanding the basics of DAC and the design of Binary Weighted Resistor Type DAC.#BinaryWeightedResistorDAC#DACResolution#DACFullScaleOutputFollow me on YouTube:https://www.youtube.com/allaboutelect...Follow me on Facebook:https://www.facebook.com/ALLABOUTELEC...Follow me on Instagram:https://www.instagram.com/all_about.e...Music Credit:http://www.bensound.com/

7th Sem CSE

7th Sem CSE

In this video, the basic terminologies of the DAC like what is the resolution, step size and full-scale output voltage of DAC is explained. And then Binary Weighted Resistor Type DAC is explained in detail with the examples and its limitation.By watching this video, you will learn the following topics:0:45 what is Step Size, Resolution and Full-scale output voltage of DAC?6:19 Binary Weighted Resistor DAC ( 3- Bit example)14:50 Binary Weighted Resistor DAC limitations (with example)Step Size of DAC :The Step Size or the voltage corresponds to 1 LSB (Resolution) is the minimum possible change in the output when the digital code is changed by 1 LSB. Full-Scale Output Voltage of DAC The Full-Scale output voltage is the maximum output possible with the DAC. FSO = [( 2 ^n ) - 1] x step sizeOr step size = FSO / [ ( 2 ^n ) - 1]Binary Weighted Resistor DAC :The binary Weighted Resistor DAC can be designed by using the op-amp as a summing amplifier.If the input and the value of the resistors are in the according to the binary number then it can be used to convert the digital input into an analog output.Limitations of Binary Weighted Resistor DAC:As the number of bits increases, the difference between the minimum and the maximum required resistor value for DAC will increase. And it is difficult to fabricate the resistor with good accuracy in the multiplication of 2.In fact, that can increase the error in the output.That's why this DAC is not used when high resolution and high accuracy is required.Check out the other useful videos related to ADC, DAC, and op-amp.1) Introduction to ADC and DAChttps://youtu.be/HicZcgdGxZY2) op-amp as a summing amplifierhttps://youtu.be/jsKSfaFQ4d4This video will be helpful to all the students or science and engineering in understanding the basics of DAC and the design of Binary Weighted Resistor Type DAC.#BinaryWeightedResistorDAC#DACResolution#DACFullScaleOutputFollow me on YouTube:https://www.youtube.com/allaboutelect...Follow me on Facebook:https://www.facebook.com/ALLABOUTELEC...Follow me on Instagram:https://www.instagram.com/all_about.e...Music Credit:http://www.bensound.com/

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