Question
To find the analog output voltage of a 5 -bit, R-2R, D/A converter, you can use the following formulas:
ref
where
If the reference voltage is 10 V and the digital input D is 10100 binary, what is
?
Round your answer to 3 decimal places.
where
If the reference voltage is 10 V and the digital input D is 10100 binary, what is
Round your answer to 3 decimal places.
Ask by Adkins Graham. in the United States
Mar 20,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
Solution
To find the analog output voltage of a 5-bit, R-2R, D/A converter, we need to calculate the digital input ratio
first.
Given:
- Reference voltage
- Digital input
in binary
The formula for
is:
Where:
-
are the binary digits of the digital input .
Let’s calculate
for the given digital input
in binary.
- Convert the binary number to decimal:
- Calculate
:
Therefore,
.
Now, we can calculate the analog output voltage using the formula
.
Calculate the value by following steps:
Calculate the value by following steps:
- step0: Calculate:
The value ofis 0.625.
Now, we can calculate the analog output voltage using the formula
.
Calculate the value by following steps:
Calculate the value by following steps:
- step0: Calculate:
- step1: Multiply the numbers:
The analog output voltageis 6.25 V.
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Bonus Knowledge
To calculate
for the binary input 10100 in a 5-bit R-2R D/A converter, we need to evaluate:
For the binary number 10100:
-
(2^4 position) -
(2^3 position) -
(2^2 position) -
(2^1 position) -
(2^0 position)
Substituting the values, we get:
Calculating this gives:
So, rounding to three decimal places, we find: