1 Answer
The unit of an ADC (Analog-to-Digital Converter) value is **dimensionless**.
This is because the ADC value represents a digital approximation of an analog signal and doesn't have a physical unit. It is typically expressed as an integer or binary number, which corresponds to a certain range of input voltages.
However, the ADC value is related to the input voltage range, which has units of **volts (V)**. For example, if you have a 10-bit ADC with a reference voltage of 5V, the ADC value will range from 0 to 1023, and this value corresponds to a voltage between 0 and 5V.
So, while the ADC value itself is dimensionless, it is used to represent an analog signal in terms of a digital number, which is tied to the input voltage range.
This is because the ADC value represents a digital approximation of an analog signal and doesn't have a physical unit. It is typically expressed as an integer or binary number, which corresponds to a certain range of input voltages.
However, the ADC value is related to the input voltage range, which has units of **volts (V)**. For example, if you have a 10-bit ADC with a reference voltage of 5V, the ADC value will range from 0 to 1023, and this value corresponds to a voltage between 0 and 5V.
So, while the ADC value itself is dimensionless, it is used to represent an analog signal in terms of a digital number, which is tied to the input voltage range.