Chapter 05D - DI to AI Converter

Chapter 05D - DI to AI Converter -...

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DIGITAL DIGITAL-TO TO-ANALOG ANALOG CONVERTER OR DAC ± Signal processing often use digital system and the signal is converted back to analog signal for further rocess process. ± DAC is the interface between analog e ices and digital de ices devices and digital devices. Dr. Abdirahman CHAPTER 5 Page 50 of 83
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Generic DAC diagram Dr. Abdirahman CHAPTER 5 Page 51 of 83
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The following list summarizes the important characteristics of the DAC. ± Digital input : is a binary word composed of a number of its specified by the device bits specified by the device. ± Power supply : is required ± Reference supply : a reference supply is required to stablish the range of output voltage and resolution of establish the range of output voltage and resolution of the converter. ± Output: the output is a voltage representing the digital input. This voltage changes in steps as the digital input changes by bits. ± Data latch : when a logic command is given to latch data, whatever data are on the input bus will be latched
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Chapter 05D - DI to AI Converter -...

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