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3 cards from this section. Quick, good the night before a test.
What is resolution in the context of an ADC?
Think about how digital outputs relate to analog inputs.
How do you calculate the LSB for an N-bit ADC?
Consider both the maximum and minimum voltage values.
What is the LSB for an ideal ADC with a range of 0V to 5V and 3 bits?
Apply the LSB formula!
The digital code for an input of 4.0V in a 5-bit ADC (0V to 5V), is it equal to 8?
Calculate the code based on the defined range and bits.
An 8-bit ADC has an input range of 0V to 12V. What is the resolution in volts and what digital code would be generated for an input of 6.5V?
Break this down into steps; first find resolution and then the code.
In an ADC used for audio, if you have a 16-bit converter and a range of ±2.5V, explain how it's beneficial for capturing audio signals and what challenges might arise due to quantization.
Think about the range and how many levels define the representation of audio quality.
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