Question: 1. You are given a 12-bit signed unsigned A/D with reference voltages tied to 3.3V and GND. If 2.75V is input to the A/D what

1. You are given a 12-bit signed unsigned A/D with reference voltages tied to 3.3V and GND. If 2.75V is input to the A/D what is the expected digital output? What is the smallest value that can be measured? 2. Repeat #1 above assuming a signed 12-bit A/D. What is the smallest voltage that can be measured for the A/D in #2 and the A/D in this question? What is the smallest value that can be measured? 3. What is the difference between the ADC in #1 and #2? What is the trade-off? 4. If 12-bit counter ramp type ADC is operated at 100 KHz, find out the maximum input signal frequency which can be converted by this ADC. 5. Compare the output measurements of a 10-bit and a 12-bit ADCs with Vref = 5 V when Vin = 2V

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