This report presents a CircuitVision Analysis report on the Analog Devices AD7980ARMZRL7. This device is a 16-bit, successive approximation, analog-to-digital converter (SAR ADC). The report contains a full set of schematics and annotated photographs. The schematics include power distribution, AD converter core with the sampling and successive approximation feedback stages and the comparator, clock generation, one-time programmable memory, and the digital controller.