555555555514. A binary-weighted digital-to-analog converter has a feedback resistor, Rf, of 12 k. If 50 A of current is through the resistor, the voltage out of the circuit is: (a) 0.6 V (b) –0.6 V (c) 0.1 V (d) –0.1 V
55555555556. A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 volts. What is the analog output for the input code 0101. (a) 0.3125 V (b) 3.125 V (c) 0.78125 V (d) –3.125 V
555555555524. A binary-weighted resistor used in a digital-to-analog converter (DAC) is only practical up to a resolution of ________. (a) 10 bits (b) 2 bits (c) 8 bits (d) 4 bits
555555555519. The problems of the binary-weighted resistor digital-to-analog converter (DAC) can be overcome by using ___________. (a) an 8-bit binary-weighted resistor DAC (b) an R/2R ladder DAC (c) a staircase DAC (d) a flash DAC