Holooly Plus Logo
Holooly Plus Logo

Question 23.6: A 12-bit ADC system is used to digitize a 0-V to 5-V analog ...

A 12-bit ADC system is used to digitize a 0-V to 5-V analog dc voltage. Determine the resolution of the ADC system and the voltage step size.

The blue check mark means that this solution has been answered and checked by an expert. This guarantees that the final answer is accurate.
Learn more on how we answer questions.

Resolution = # of bits
Resolution = 12, which provides 4096 steps

\frac{Maximum \ DC \ Voltage}{2^{\# of \ Bits} } = Voltage Step

\frac{5 \ V}{2^{12} } = 1.22 mV

Related Answered Questions

Question: 23.5

A mixing tank, like the one shown in Fig. 23-18, is being filled with solution. An ultrasonic sensor is located at the top of the tank. The tank is 10 feet in diameter and 15 feet tall. The mixing process in the tank requires 1021 ft3 of solution. Solve for the required height of solution ...

Verified Answer:

Volume of a cylinder: V = πr^2 h Wh...
Question: 23.4

The operational amplifiers used in Fig. 23-12 have an Rin of 3 MΩ, an RCM of 200 MΩ, and an open-loop voltage gain of 175,000. Solve for Zin(CL), AV(CL), and vref. ...

Verified Answer:

Z_{in(CL) }= (1 + A_{VOL}B)R_{in} ∥ R_{CM}[...
Question: 23.3

The RTD shown in Fig. 23-7 has a resistance ranging from 1 kΩ to 1.1 kΩ between 0°C and 100°C. The 741 operational amplifiers used have these values: AVOL = 100,000, Rin = 2 MΩ, and RCM = 200. Utilizing the differential amplifier with buffered inputs introduced in Chap. 18, Sec.18-4, “Differential ...

Verified Answer:

The buffer amplifiers provide very high input impe...
Question: 23.2

As an example, assume the cable came in two lengths: length A has a total resistance of 15 Ω, and length B has a total resistance of 30 Ω. At 20°C, the RTD has a resistance of 107.79 Ω. The voltage (VAB) with the influence of the cables in Fig. 23-5 can be calculated as shown. ...

Verified Answer:

Temperature = 20°C, Length A at 15 Ω Temperature =...
Question: 23.1

Given V1 = 10 V, R1 = 100 Ω, R2 = 100 Ω, and R3 = 100 Ω, the RTD will vary from 100 Ω at 0°C to 138.5 Ω at 100°C. Ignore the resistance of the cabling. Using Fig. 23-5, solve for VAB at 20°C, where the RTD = 107.79 Ω, and at 100°C, where the RTD = 138.5 Ω. ...

Verified Answer:

Temperature = 20°C Temperature = 100°C V_...