Sar Adc Diagram. It consists of a successive approximation register sar dac and comparator. A successive approximation adc is a type of analog to digital converter that converts a continuous analog waveform into a discrete digital representation using a binary search through all possible quantization levels before finally converging upon a digital output for each conversion.
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Visual sar adc block diagram. The equivalent analog output voltage of dac vd is applied to the non inverting input of the comparator. The article is great if you want a more in depth explanation here is my plan for each of the blocks.
1 successive approximation is one of the most widely and popularly used adc technique.
The circuit diagram is shown below. The output of sar is given to n bit dac. Turns out this is a perfect explanation of what i intend to build. The simplified block diagram of a sar adc is shown in figure 2.
