One useful characteristic of switched-capacitor circuits is that they can be used to perform many circuit tasks at the same time, which is difficult with non-discrete time components. The multiplying digital to analog converter (MDAC) is an example as it can take an analog input, add a digital value d {\displaystyle d} to it, and multiply this by some factor based on the capacitor ratios. The output of the MDAC is given by the following: