b) Differential linearity - +- 0.4 LSB c) Minimum acquisition time – 1.4ms d) Minimum conversion time – 8.4 𝜇𝑠 Question 11 A 10 bit DAC has a reference voltage of 5.12V. What is the output voltage for a binary input code of 11000100012? 11000100012 = 785 210 = 1024 (5.12/ 1024) * 785 = 3.925V Output voltage = 3.925V Question 12 A 12 bit DAC has a reference voltage of 10V. What is the output voltage for a binary input code of 1001001001002? 1001001001002 = 2340 212 = 4096 (10 / 4096) * 2340 = 5.71 V Output voltage = 5,71 V Question 13 What is the resolution of a 16-Bit DAC? 216 = 65536 Question 14 Name 5 characteristics of DAC’s. 1. Gain error 2. Offset error 3. Resolution 4. Monotonicity 5. Accurary(relative) Question 15 For the following 3-Bit DAC, analyse the circuit to verify its operation for the following input combinations. (Assume VR=5V). a)S2S1S0=0102 Output voltage = 1.25 V
d) Sigma Delta ADC multibit ADC and multibit feedback DAC- higher order Question 10. a) Architecture SAR b) Differential linearity +- 0,4 LSB c) Minimum acquisition time 1,4 ms d) Minimum conversion time 8,4 us Question 11. A 10 bit DAC has a reference voltage of 5.12V. What is the output voltage for a binary input code of 11000100012? 3,925V Question 12 A 12 bit DAC has a reference voltage of 10V. What is the output voltage for a binary input code of 1001001001002? 5,67V Question 13 What is the resolution of a 16-Bit DAC? 65536 bits Question 14 Name 5 characteristics of DAC’s. Gain error, offset error, resolution, monotonicity, accuracy Question 15 For the following 3-Bit DAC, analyse the circuit to verify its operation for the following input combinations. (Assume VR=5V). a) S2S1S0=0102 1,25 b) S2S1S0=1012 3,125 c) S2S1S0=0112 1,875 Question 16 1. Draw the motor current and the motor voltage characteristic during the
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