2. Find output voltage and current for a binary-weighted resistor DAC of 4 bits with given condition of R = 1kn, Rf = 5kn, VR = -12v and applied binary word is 1101'

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2. Find output voltage and current for a binary-weighted resistor DAC of 4 bits
with given condition of R = 1kn, Rf = 5kn, VR = -12v and applied binary
word is 1101
Transcribed Image Text:2. Find output voltage and current for a binary-weighted resistor DAC of 4 bits with given condition of R = 1kn, Rf = 5kn, VR = -12v and applied binary word is 1101
Example: Find output voltage and current for a binary-weighted resistor DAC of 4 bits with the given condition of R =
10kN, Rf = 5kN, VŔ = −10v and applied binary word is 1001.
Current output lo:
-10v
1
0
0
1
+
+
+
= -0.001125 A
Ω
[20 × 10kΩ 21 × 10kΩ 22 × 10kΩ 23 × 10kΩ]
Voltage output Vo:
Vo = -Rflo= (10kn x -0.001125 A) = 5.625v
lo =
Transcribed Image Text:Example: Find output voltage and current for a binary-weighted resistor DAC of 4 bits with the given condition of R = 10kN, Rf = 5kN, VŔ = −10v and applied binary word is 1001. Current output lo: -10v 1 0 0 1 + + + = -0.001125 A Ω [20 × 10kΩ 21 × 10kΩ 22 × 10kΩ 23 × 10kΩ] Voltage output Vo: Vo = -Rflo= (10kn x -0.001125 A) = 5.625v lo =
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