ee3954_fall13_10_adc

6 adc 1 bit example 5v vin 25v signal is 1 1 vin 25v

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Unformatted text preview: ; 2.5V: Signal is ‘1’ ‘1’ Vin ≤ 2.5V: Signal is ‘0’ ‘0’ 2.5V 0V 1-bit => 21 = 2 levels => 1 threshold ADC.7 ADC 2-bit Example 2-bit => 22 = 4 levels => 3 thresholds 5.00 v 5 v / 4 levels = 1.25 each increment (thresholds) 3.75 < Vin ‹ 5.00V : Signal is ’11’’ 3.75 v 2.50 < Vin ≤ 3.75 V : Signal is ’10’ 2.50 v 1.25 < Vin ≤ 2.50 V : Signal is ’01’ 1.25 v 0.00 V ‹ Vin ≤ 1.25 V : Signal is ’00’ 0.00 v ADC.8 ADC 5.00 V 4.375 V 3.750 V 3.125 V 2.500 V 1.875 V 1.250 V 0.625 V 0.000 V 4.375V < Vin ≤ 5.00V: Signal is 111 3.750V < Vin ≤ 4.375V: Signal is 110 3.125V < Vin ≤ 3.750V: Signal is 101 2.500V < Vin ≤ 3.125V: Signal is 100 1.875V < Vin ≤ 2.500V: Signal is 011 1.250V < Vin ≤ 1.875V: Signal is 010 0.625V < Vin ≤ 1.250V: Signal is 001 0.000V ‹ Vin ≤ 0.625V: Signal is 000’ ‘111’ ‘110’ ‘101’ ‘100’ ‘011’ ‘010’ ‘001’ ‘000’ A/D Converter Binary Output Input Voltage To A/D Converter 3-bit Example 3-bits =&g...
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This document was uploaded on 01/22/2014.

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