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Q2a
Assume the following values for the Staircase ADC shown below:
clock frequency = 100 kHz; VT (Threshold voltage) = 0.1mV;
DAC has a full scale output: 10.23V and a 10-bit input.
=
Op amp
Comparator
D/A
converter
Digital
resull
EOC
(a)
RESET
Counter
CLOCK
Start
r
Clock
START
VAX
EOC
(b)
Conversion
complete.
counter stops
counting
Time
Determine the following values.
(a) The digital equivalent obtained for VA = 3.580V.
(b) The total conversion time for (a)
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Transcribed Image Text:Q2a Assume the following values for the Staircase ADC shown below: clock frequency = 100 kHz; VT (Threshold voltage) = 0.1mV; DAC has a full scale output: 10.23V and a 10-bit input. = Op amp Comparator D/A converter Digital resull EOC (a) RESET Counter CLOCK Start r Clock START VAX EOC (b) Conversion complete. counter stops counting Time Determine the following values. (a) The digital equivalent obtained for VA = 3.580V. (b) The total conversion time for (a)
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