Analog and Digital Converters Questions

• The resolution of a 0–5 V 6-bit digital-to-analog converter (DAC) is:
• The primary disadvantage of the flash analog-to digital converter (ADC) is that:
• Which of the following is a type of error associated with digital-to-analog converters (DACs)?
• A binary-weighted digital-to-analog converter has a feedback resistor, Rf, of 12 kΩ. If 50 µA of current is through the resistor, the voltage out of the circuit is:
• A binary-weighted digital-to-analog converter has an input resistor of 100 kΩ. If the resistor is connected to a 5 V source, the current through the resistor is:
• A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 volts. What is the analog output for the input code 0101.
• The practical use of binary-weighted digital-to-analog converters is limited to:
• The difference between analog voltage represented by two adjacent digital codes, or the analog step size, is the:
• What is the resolution of a digital-to-analog converter (DAC)?
• What is the major advantage of the R/2R ladder digital-to-analog (DAC), as compared to a binary-weighted digital-to-analog DAC converter?
• Which is not an analog-to-digital (ADC) conversion error?
• Sample-and-hold circuits in analog-to digital converters (ADCs) are designed to:
• In a flash analog-to-digital converter, the output of each comparator is connected to an input of a:
• Incorrect codes are a form of output error for a digital-to-analog converter (DAC).
• The key advantage of the successive approximation analog-to-digital converter (ADC) is its conversion speed.
• In a binary-weighted digital-to-analog converter (DAC), the values of the input resistors are chosen to be proportional to the binary weights of the corresponding input bits.
• A sample-and-hold circuit samples an analog value and holds it long enough for the analog-to-digital conversion to occur.
• The relative accuracy of a digital-to-analog converter (DAC) is determined by settling time.
• One way to determine the resolution of a digital-to-analog converter (DAC) is to compare the ratio of one step voltage to the maximum output voltage.
• The flash method of analog-to-digital conversion (ADC) uses comparators that compare reference voltages with the analog input voltage.