Interfacing to the Analog World Questions

• A certain digital-to-analog converter has a step size of 0.25 V and a full-scale output of 7.75 V. Determine the percent of resolution and the number of input binary bits.
• What is gain error in a DAC?
• Which of the following describes the basic operation of a single-slope A/D converter.
• A 4-bit R/2R D/A converter has a reference of 5 V. What is the analog output for the input code 0101?
• Which of the following characterizes an analog quantity?
• Referring to the given figure, what appears to be wrong, if anything, with the D/A converter and what should be done to correct the problem?
• What is the major advantage of the R/2R ladder DAC as compared to a binary-weighted-input DAC?
• The output of a basic 4-bit input digital-to-analog converter would be capable of outputting:
• The quantization error in an analog-to-digital converter can be reduced by:
• What is the conversion time of a flash converter?
• A simultaneous A/D converter is also known as a(n) ________ A/D converter.
• What is the resolution, in percent, of a 12-bit DAC?
• An analog quantity varies from 0–7 V and is input to a 6-bit A/D converter. What analog value is represented by each step on the digital output?
• What is the disadvantage to using a counter-ramp type ADC?
• What is the linearity of a D/A converter?
• What is the output voltage for the circuit shown below?
• What function is performed by the block labeled X in the given figure?
• Describe offset error for a DAC.
• What type of DAC is shown below?
• Which of the following characterizes an analog quantity?