![]() ![]() In the beginning, the manufacturing process and structure of these converters were two-carrier and R-2R ladder resistor networks, respectively. The resolution of the SAR analog-digital converter is 8-bit, 10-bit, 12-bit, 16-bit, and sometimes 18-bit. This article will discuss the use of continuous approximation buffer (SAR) and Sigma-Delta analog-to-digital converter circuit board wiring methods.Ĭontinuous approximation buffer type converter wiring When a wiring designer deals with mixed-signal circuits, he still needs basic wiring knowledge if he wants to make the wiring work well. Even if it changes from analog to digital in the chip, the circuit board wiring work has not changed. Due to the improvement of the pcb design, slow analog-to-digital converters have mostly become digital. At first, most of the analog-to-digital converters in the chip are still composed of analog circuits. This article will introduce the wiring method of using continuous approximation buffer type and Sigma-Delta type analog-to-digital converter. Even with such changes, the PCB circuit wiring design has not changed. In the new design of the converter, most of the analog-digital converters have become digital.
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