An Investigation of Comparators in Flash ADC


  • Wael Saad Ahmed


Comparator, flash, ADC, VLSI, memory.


Analog-to-digital converters (ADCs) are devices that allow computers to communicate with analog signals, which are typically used in manufacturing processes. ADC technology has become increasingly important in recent years as computers become more commonplace in factories and other industrial settings. Semiconductor manufacturing is important for modern technology, and a key part of this process is using semiconductor wafers. These wafers are thin sheets of metal that are used to create electronic devices. An ADC is a device that can convert an analog signal into a digital one, which can be processed more quickly and easily. This is important because it allows for more accurate and faster measurements. One type of ADC, known as a flash ADC, is especially fast and can support high-bandwidth applications, such as optical communications and radar detection. Flash ADCs are especially helpful for tasks like optical communications and radar detection, which require high speeds and high bandwidth. The comparator circuit is responsible for comparing the input signal to a set threshold value and determining the appropriate conversion result. This circuit can affect the overall performance of the ADC, so it's important to choose the right one for your application. There are many different comparator architectures, and some are more efficient than others. Some architectures are more effective at comparing two values than others. In this paper, we compare different comparator designs to find the best one for future flash ADC designs. The high-performance comparator we find is very efficient and should be used in future flash ADC designs.


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How to Cite

Wael Saad Ahmed. (2023). An Investigation of Comparators in Flash ADC. International Journal of Progressive Research in Science and Engineering, 4(4), 22–26. Retrieved from