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1.000 volts is input into a microcontroller ADC which uses a reference of 3.3 volts. What is the ADC output if the ADC is set for 8 bit resolution? 0.333 78 1000 788 O O

1.000 volts is input into a microcontroller ADC which uses a reference of 3.3 volts. What is the ADC output if the ADC is set for 8 bit resolution? 0.333 78 1000 788 O O

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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**Question:** 1.000 volts is input into a microcontroller ADC which uses a reference of 3.3 volts. What is the ADC output if the ADC is set for 8-bit resolution? - ○ 0.333 - ○ 78 - ○ 1000 - ○ 788 **Explanation:** When using an 8-bit ADC (Analog to Digital Converter), the resolution is 2^8, which is 256 discrete levels. The reference voltage of 3.3 volts is divided into these levels. To find the digital output for a given input voltage, use the formula: \[ \text{ADC Output} = \left( \frac{\text{Input Voltage}}{\text{Reference Voltage}} \right) \times (2^{\text{Resolution}} - 1) \] In this case: \[ \text{ADC Output} = \left( \frac{1.000}{3.3} \right) \times 255 \] Calculate to find the correct output level.
Transcribed Image Text:**Question:** 1.000 volts is input into a microcontroller ADC which uses a reference of 3.3 volts. What is the ADC output if the ADC is set for 8-bit resolution? - ○ 0.333 - ○ 78 - ○ 1000 - ○ 788 **Explanation:** When using an 8-bit ADC (Analog to Digital Converter), the resolution is 2^8, which is 256 discrete levels. The reference voltage of 3.3 volts is divided into these levels. To find the digital output for a given input voltage, use the formula: \[ \text{ADC Output} = \left( \frac{\text{Input Voltage}}{\text{Reference Voltage}} \right) \times (2^{\text{Resolution}} - 1) \] In this case: \[ \text{ADC Output} = \left( \frac{1.000}{3.3} \right) \times 255 \] Calculate to find the correct output level.
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