Homework 2 Week 4
sum square.
3. ENOB – The effective number of bits and relates to SINAD.
4. THD – Ratio of the rms value of the fundamental signal to the mean value of
RSS of its harmonics.
5. SFDR – Ratio of the RMS value of the signal to the RMS value of the worst
spurious signal.
6. Channels – multiple analog signal inputs to the ADC that can be individually
selected or selected through a multiplexor.
7. Linearity – Describes how an ADC conveter follows a linear function.
8. Operating temperature – A temperature at which the ADC functions optimally,
usually given by the manufacturer.
9. Power dissipation – The proportion of power dissipated (through heat) when
the ADC is working.
Question 2:
An 8 bit ADC has a reference voltage of 5V.
What is the digital output code word for an input of 1.2V?
001111012
What is the voltage range corresponding to 1 LSB?
0,0195V
Question 3.
A 15 bit ADC has a reference voltage of 10V