Analog Output Voltage () 0.000 Digital Input Code Bit 3 Bit 2 Bit 1 Bit 0 1 -0.625 1 -1.875 -2.500 1 1 1 1 -3.750 1 1 -5.000 1 1 -5.625 1 1 1 -6.875 1 1 -7.500 1 1 5. A DAC can be constructed by using a Summing Amplifier and a set of resistors R, 2R, 4R, and 8R as its inputs. The resistors are scaled to represent weights for the different input bits. 1 -8.750 -9.375 1 1 1 1 Bit 3 Bit 2 Bit 1 Bit 0 Viar O + 2R 2 4R 8R 92 1 921 92 92 R,-R The resistor with the lowest value R corresponds to the highest weighted binary input Bit 3 (MSB) [23 = 8], and 2R, 4R, 8R correspond to the binary weights of Bit 2 (2² = 4), Bit 1 (2' = 2), and Bit 0 (LSB) [2º = 1] respectively. a) Find the relationship between the digital inputs (Bit 0 to Bit 3) and the analog output Vo. Assuming the value of Vref as 5 V. The Analog Output Voltages corresponding to the Digital Input Codes are shown in Table 1. Please fill in the missing values in the table.
Analog Output Voltage () 0.000 Digital Input Code Bit 3 Bit 2 Bit 1 Bit 0 1 -0.625 1 -1.875 -2.500 1 1 1 1 -3.750 1 1 -5.000 1 1 -5.625 1 1 1 -6.875 1 1 -7.500 1 1 5. A DAC can be constructed by using a Summing Amplifier and a set of resistors R, 2R, 4R, and 8R as its inputs. The resistors are scaled to represent weights for the different input bits. 1 -8.750 -9.375 1 1 1 1 Bit 3 Bit 2 Bit 1 Bit 0 Viar O + 2R 2 4R 8R 92 1 921 92 92 R,-R The resistor with the lowest value R corresponds to the highest weighted binary input Bit 3 (MSB) [23 = 8], and 2R, 4R, 8R correspond to the binary weights of Bit 2 (2² = 4), Bit 1 (2' = 2), and Bit 0 (LSB) [2º = 1] respectively. a) Find the relationship between the digital inputs (Bit 0 to Bit 3) and the analog output Vo. Assuming the value of Vref as 5 V. The Analog Output Voltages corresponding to the Digital Input Codes are shown in Table 1. Please fill in the missing values in the table.
Introductory Circuit Analysis (13th Edition)
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Chapter1: Introduction
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![Digital Input Code
Bit 2
Bit 1
Analog Output Voltage
Bit 3
Bit 0
0.000
-0.625
1
1
-1.875
-2.500
1
1
1
1
1
1.
1.
-3.750
1
1
-5.000
-5.625
1
1
1
1
1
1
-6.875
-7.500
1
1
1
1
-8.750
-9.375
1
1
5. A DAC can be constructed by using a Summing Amplifier and a set of resistors R, 2R, 4R, and 8R
as its inputs. The resistors are scaled to represent weights for the different input bits.
1
1
1
Bit 3
Bit 2
Bit 1
Bit 0
VREF O
2R {
4R E
R
8R
92 1
021
오2
오2
R- R
O to
The resistor with the lowest value R corresponds to the highest weighted binary input Bit 3
(MSB) [23 = 8], and 2R, 4R, 8R correspond to the binary weights of Bit 2 (22 = 4), Bit 1 (2! =
2), and Bit 0 (LSB) [20 = 1] respectively.
a) Find the relationship between the digital inputs (Bit 0 to Bit 3) and the analog
output Vo.
Assuming the value of Vref as 5 V. The Analog Output Voltages corresponding to the Digital
Input Codes are shown in Table 1. Please fill in the missing values in the table.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9cf16aff-f8a7-46d1-99fe-e02276a7ec1f%2F8a510c3f-e763-471b-985c-be0831e6159f%2F4whx2t_processed.png&w=3840&q=75)
Transcribed Image Text:Digital Input Code
Bit 2
Bit 1
Analog Output Voltage
Bit 3
Bit 0
0.000
-0.625
1
1
-1.875
-2.500
1
1
1
1
1
1.
1.
-3.750
1
1
-5.000
-5.625
1
1
1
1
1
1
-6.875
-7.500
1
1
1
1
-8.750
-9.375
1
1
5. A DAC can be constructed by using a Summing Amplifier and a set of resistors R, 2R, 4R, and 8R
as its inputs. The resistors are scaled to represent weights for the different input bits.
1
1
1
Bit 3
Bit 2
Bit 1
Bit 0
VREF O
2R {
4R E
R
8R
92 1
021
오2
오2
R- R
O to
The resistor with the lowest value R corresponds to the highest weighted binary input Bit 3
(MSB) [23 = 8], and 2R, 4R, 8R correspond to the binary weights of Bit 2 (22 = 4), Bit 1 (2! =
2), and Bit 0 (LSB) [20 = 1] respectively.
a) Find the relationship between the digital inputs (Bit 0 to Bit 3) and the analog
output Vo.
Assuming the value of Vref as 5 V. The Analog Output Voltages corresponding to the Digital
Input Codes are shown in Table 1. Please fill in the missing values in the table.
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