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Interfacing to the Analog World
Generally speaking, DACs with a current output will have a shorter settling time than those with voltage outputs.
True
False
Correct Answer:
True
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Interfacing to the Analog World
D/A conversion is the process of taking a voltage or current and converting it to a digital code.
Linearity error is the maximum deviation in step size from the ideal step size.
The DAC0808 and the MC1408 are very popular and inexpensive 8-bit D/A converters.
The primary disadvantage of the flash A/D converter is the large number of comparators required.
A simultaneous, multiple comparator, or flash converter uses parallel encoding.
A CD player probably uses a sigma/delta D/A converter.
One way to determine the resolution of a DAC is to calculate the ratio of one step voltage to the maximum output voltage.
A light bulb and a switch are examples of an analog circuit.
A summing op-amp can be used for DAC.
Voltage-to-frequency ADC is more complicated than other ADCs.
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