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Home ‣ Digital Electronics ‣ Interfacing to the Analog World Comments
- Question
D/A conversion is the process of taking a voltage or current and converting it to a digital code.
Options- A. True
- B. False
- Correct Answer
- False
- 1. Generally speaking, DACs with a current output will have a shorter settling time than those with voltage outputs.
Options- A. True
- B. False Discuss
- 2. It is possible to develop more than 16 different analog levels using 4-bit resolution.
Options- A. True
- B. False Discuss
- 3. If the least significant bit (LSB) of a four-bit binary-weighted resistor D/A converter connects to a 200 Ω resistor, then the resistor needed for the next bit is 100 Ω.
Options- A. True
- B. False Discuss
- 4. An eight-bit D/A converter has a resolution of 0.125.
Options- A. True
- B. False Discuss
- 5. When a DAC output shows a deviation of the measured step size from the ideal step size, this error is called nonlinearity.
Options- A. True
- B. False Discuss
- 6. Linearity error is the maximum deviation in step size from the ideal step size.
Options- A. True
- B. False Discuss
- 7. The DAC0808 and the MC1408 are very popular and inexpensive 8-bit D/A converters.
Options- A. True
- B. False Discuss
- 8. The primary disadvantage of the flash A/D converter is the large number of comparators required.
Options- A. True
- B. False Discuss
- 9. A simultaneous, multiple comparator, or flash converter uses parallel encoding.
Options- A. True
- B. False Discuss
- 10. A CD player probably uses a sigma/delta D/A converter.
Options- A. True
- B. False Discuss
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