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Assertion (A): R-2R ladder type DAC has higher speed of operation than weighted resistor DAC
Reason (R): R-2R ladder type DAC uses only two different values of resistor network uses many different values of resistors
- a)Both A and R are correct and R is correct explanation of A
- b)Both A and R are correct but R is not correct explanation of A
- c)A is true, R is false
- d)A is false, R is true
Correct answer is option 'B'. Can you explain this answer?
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Assertion (A): R-2R ladder type DAC has higher speed of operation tha...
The correct answer is option 'B': Both assertion (A) and reason (R) are correct, but reason (R) is not the correct explanation of assertion (A).
Explanation:
Assertion (A) states that the R-2R ladder type DAC has a higher speed of operation than the weighted resistor DAC. This statement is true.
Reason (R) states that the R-2R ladder type DAC uses only two different values of resistor network, while the weighted resistor DAC uses many different values of resistors. This statement is also true.
However, reason (R) does not provide a correct explanation for assertion (A). The speed of operation of a DAC depends on various factors such as the settling time, switching speed, and overall circuit complexity.
The R-2R ladder type DAC is known for its higher speed of operation due to its inherent structure and design. It uses a combination of two resistor values, R and 2R, repeated in a ladder-like structure. This design allows for a simplified circuit and faster switching times, resulting in a higher speed of operation.
On the other hand, the weighted resistor DAC uses resistors of different values in a binary-weighted ladder structure. While this design allows for high precision and accuracy in the conversion process, it can also lead to slower switching times and a more complex circuit.
Therefore, the reason (R) provided does not adequately explain why the R-2R ladder type DAC has a higher speed of operation than the weighted resistor DAC. The higher speed of operation is due to the specific design and structure of the R-2R ladder type DAC, rather than the number of resistor values used.
In conclusion, both assertion (A) and reason (R) are correct, but reason (R) is not the correct explanation for assertion (A).
Explanation:
Assertion (A) states that the R-2R ladder type DAC has a higher speed of operation than the weighted resistor DAC. This statement is true.
Reason (R) states that the R-2R ladder type DAC uses only two different values of resistor network, while the weighted resistor DAC uses many different values of resistors. This statement is also true.
However, reason (R) does not provide a correct explanation for assertion (A). The speed of operation of a DAC depends on various factors such as the settling time, switching speed, and overall circuit complexity.
The R-2R ladder type DAC is known for its higher speed of operation due to its inherent structure and design. It uses a combination of two resistor values, R and 2R, repeated in a ladder-like structure. This design allows for a simplified circuit and faster switching times, resulting in a higher speed of operation.
On the other hand, the weighted resistor DAC uses resistors of different values in a binary-weighted ladder structure. While this design allows for high precision and accuracy in the conversion process, it can also lead to slower switching times and a more complex circuit.
Therefore, the reason (R) provided does not adequately explain why the R-2R ladder type DAC has a higher speed of operation than the weighted resistor DAC. The higher speed of operation is due to the specific design and structure of the R-2R ladder type DAC, rather than the number of resistor values used.
In conclusion, both assertion (A) and reason (R) are correct, but reason (R) is not the correct explanation for assertion (A).
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Assertion (A): R-2R ladder type DAC has higher speed of operation than weighted resistor DAC Reason (R): R-2R ladder type DAC uses only two different values of resistor network uses many different values of resistorsa)Both A and R are correct and R is correct explanation of Ab)Both A and R are correct but R is not correct explanation of Ac)A is true, R is falsed)A is false, R is trueCorrect answer is option 'B'. Can you explain this answer?
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