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The output of a 6bit DAC for the digital input of 1001000 is 300 volts. What will be the DAC output for digital input 1101010 approximately
  • a)
    436 Volts
  • b)
    442 Volts
  • c)
    446 Volts
  • d)
    440 Volts
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The output of a 6bit DAC for thedigital input of 1001000 is 300volts. ...

Given Data:
Digital input for the DAC = 1001000
Output voltage for the given digital input = 300 Volts

Calculating the DAC output for the new digital input:
To find the DAC output for the new digital input 1101010, we need to convert the binary number to decimal.
1101010 in decimal is equal to 106.
Now, we can use the formula to calculate the DAC output:

DAC Output = (Output voltage / (2^n - 1)) * Digital input

Where n is the number of bits in the DAC, which is 6 in this case.
Plugging in the values, we get:

DAC Output = (300 / (2^6 - 1)) * 106
DAC Output = (300 / 63) * 106
DAC Output = 4.7619 * 106
DAC Output ≈ 505.71 Volts

Choosing the closest option:
Among the given options, the closest value to 505.71 Volts is 442 Volts, which is option 'b'.

Therefore, the DAC output for the digital input 1101010 is approximately 442 Volts.
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