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Why two pins for ground are available in ADC0804?
- a)for controlling the ADCON0 and ADCON1 register of the controller
- b)for controlling the analog and the digital pins of the controller
- c)for both parts of the chip respectively
- d)none of the mentioned
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Why two pins for ground are available in ADC0804?a)for controlling the...
Their are two pins, that are available for ground in the ADC0804. one is for analog and the other is for digital pins.
Most Upvoted Answer
Why two pins for ground are available in ADC0804?a)for controlling the...
Explanation:
The ADC0804 is an analog-to-digital converter chip that converts analog signals into digital signals. It has several pins for input and output, including two pins for ground (GND) labeled as GND and DGND. The reason for having two ground pins is as follows:
Controlling analog and digital pins:
The ADC0804 chip has both analog and digital pins, which require separate and isolated ground connections to avoid interference and noise in the signals. The GND pin is used for the analog input and output pins, while the DGND pin is used for the digital input and output pins.
The analog pins are used to connect the input signal to be converted into a digital signal, while the output pins provide the digital output of the conversion process. These pins are sensitive to noise and interference, which can affect the accuracy of the conversion process. Therefore, they require a separate and isolated ground connection to avoid any interference.
The digital pins are used to control the operation of the ADC0804 chip, such as selecting the input channel, starting the conversion process, and reading the digital output. These pins are less sensitive to noise and interference than the analog pins, but they still require a ground connection to ensure proper operation. Therefore, they are connected to the DGND pin, which is also connected to the ground of the digital circuitry of the controller.
Conclusion:
In summary, the two ground pins available in ADC0804 are used to provide separate and isolated ground connections for the analog and digital pins of the chip, which helps to avoid interference and noise in the signals. The GND pin is used for the analog pins, while the DGND pin is used for the digital pins.
The ADC0804 is an analog-to-digital converter chip that converts analog signals into digital signals. It has several pins for input and output, including two pins for ground (GND) labeled as GND and DGND. The reason for having two ground pins is as follows:
Controlling analog and digital pins:
The ADC0804 chip has both analog and digital pins, which require separate and isolated ground connections to avoid interference and noise in the signals. The GND pin is used for the analog input and output pins, while the DGND pin is used for the digital input and output pins.
The analog pins are used to connect the input signal to be converted into a digital signal, while the output pins provide the digital output of the conversion process. These pins are sensitive to noise and interference, which can affect the accuracy of the conversion process. Therefore, they require a separate and isolated ground connection to avoid any interference.
The digital pins are used to control the operation of the ADC0804 chip, such as selecting the input channel, starting the conversion process, and reading the digital output. These pins are less sensitive to noise and interference than the analog pins, but they still require a ground connection to ensure proper operation. Therefore, they are connected to the DGND pin, which is also connected to the ground of the digital circuitry of the controller.
Conclusion:
In summary, the two ground pins available in ADC0804 are used to provide separate and isolated ground connections for the analog and digital pins of the chip, which helps to avoid interference and noise in the signals. The GND pin is used for the analog pins, while the DGND pin is used for the digital pins.
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Why two pins for ground are available in ADC0804?a)for controlling the ADCON0 and ADCON1 register of the controllerb)for controlling the analog and the digital pins of the controllerc)for both parts of the chip respectivelyd)none of the mentionedCorrect answer is option 'B'. Can you explain this answer?
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