1.42 Figure P1.42 shows the circuit of an N-bit DAC. Each of the N bits of the digital word to be converted controls one of the switches. When the bit is 0, the switch is in the position labeled 0; when the bit is 1, the switch is in the position labeled 1. The analog output is the current iO. Vref is a constant reference voltage. Figure P1.42 (a) Show that (b) Which bit is the LSB? Which is the MSB? (c) For Vref = 10 V, R = 10 kΩ, and N = 8, find the maximum value of iO obtained. What is the change in iO resulting from the LSB changing from 0 to 1? (b) bN; b1; (c) 0.996 mA; 3.91 A - electricalstudent

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1.42 Figure P1.42 shows the circuit of an N-bit DAC. Each of the N bits of the digital word to be converted controls one of the switches. When the bit is 0, the switch is in the position labeled 0; when the bit is 1, the switch is in the position labeled 1. The analog output is the current iO. Vref is a constant reference voltage. Figure P1.42 (a) Show that (b) Which bit is the LSB? Which is the MSB? (c) For Vref = 10 V, R = 10 kΩ, and N = 8, find the maximum value of iO obtained. What is the change in iO resulting from the LSB changing from 0 to 1? (b) bN; b1; (c) 0.996 mA; 3.91 A

1.42 Figure P1.42 shows the circuit of an N-bit DAC. Each of the N bits of the digital word to be converted controls one of the switches. When the bit is 0, the switch is in the position labeled 0; when the bit is 1, the switch is in the position labeled 1. The analog output is the current iO. Vref is a constant reference voltage. Figure P1.42 (a) Show that (b) Which bit is the LSB? Which is the MSB? (c) For Vref = 10 V, R = 10 kΩ, and N = 8, find the maximum value of iO obtained. What is the change in iO resulting from the LSB changing from 0 to 1? (b) bN; b1; (c) 0.996 mA; 3.91 A

1.42 Figure P1.42 shows the circuit of an N-bit DAC. Each of the N bits of the digital word to be converted controls one of the switches. When the bit is 0, the switch is in the position labeled 0; when the bit is 1, the switch is in the position labeled 1. The analog output is the current iO. Vref is a constant reference voltage. Figure P1.42 (a) Show that (b) Which bit is the LSB? Which is the MSB? (c) For Vref = 10 V, R = 10 kΩ, and N = 8, find the maximum value of iO obtained. What is the change in iO resulting from the LSB changing from 0 to 1? (b) bN; b1; (c) 0.996 mA; 3.91 A