Which ADC type is favored for its speed and resolution in digital signal processing?

The Flash ADC is favored for its speed and resolution in digital signal processing due to its architecture, which allows for very rapid conversion of analog signals to digital form. A Flash ADC consists of a bank of comparators that simultaneously evaluate the input voltage against multiple reference levels, providing a direct output for a full range of input voltages in just one clock cycle. This means that it can achieve very high sampling rates, making it ideal for applications that require real-time signal processing with minimal delay.

Additionally, because it can convert an analog signal to a digital value in one step, the Flash ADC is capable of high resolution when designed with an adequate number of comparators. Each comparator corresponds to a specific voltage level, and having more comparators allows for finer resolution in the digital output. Hence, for applications that prioritize speed and the capability to handle bandwidth-intensive signals, the Flash ADC is often the preferred choice in the field of digital signal processing.