In a mechatronics system, increasing the ADC resolution primarily affects what?

In a mechatronics system, increasing the ADC resolution primarily affects what?

• A. Sampling rate.
• B. Power consumption.
• C. Dynamic range and precision.
• D. Sensor physical size.

Answer: (C)

ADC resolution defines how finely the analog input is quantized into digital levels. Increasing resolution adds more quantization levels, so the smallest detectable change in input voltage becomes smaller. This directly boosts measurement precision and expands dynamic range—the ability to represent both very small and very large signals within the same full-scale range. For example, moving from an 8‑bit to a 12‑bit ADC increases levels from 256 to 4096, shrinking the quantization step and reducing quantization noise. The dynamic range improves roughly by about 6 dB per additional bit. While higher resolution can influence conversion time and thus might occasionally affect sampling rate or power, the primary effect is enhanced precision and dynamic range. Sensor size remains unaffected by the ADC resolution.

ADC resolution defines how finely the analog input is quantized into digital levels. Increasing resolution adds more quantization levels, so the smallest detectable change in input voltage becomes smaller. This directly boosts measurement precision and expands dynamic range—the ability to represent both very small and very large signals within the same full-scale range. For example, moving from an 8‑bit to a 12‑bit ADC increases levels from 256 to 4096, shrinking the quantization step and reducing quantization noise. The dynamic range improves roughly by about 6 dB per additional bit. While higher resolution can influence conversion time and thus might occasionally affect sampling rate or power, the primary effect is enhanced precision and dynamic range. Sensor size remains unaffected by the ADC resolution.