Projeto de um conversor digital-analógico (dac) tipo current steering

Abstract

In this study, a 10-bit digital-to-analog converter (DAC) was designed at the electrical level. The structure of the DAC is made up of programmable array of current source cells. Decoders are responsible for sending signals to these cells, thus directing the current to the output node, where all the selected currents are summed. This type of converter has applications in areas such as signal processing, electronic instrumentation and telecommunications, as well as being used as a component in other integrated devices, being integrated as blocks in analog circuits, mixed circuits and microcontrollers. Simulation results have shown that the designed DAC presented an ENOB of 9.56 bits and a SFDR of 64 dB.