3 A. We have a 4-bit DAC with Vref = 3.3V and an input voltage of Vs = 2.05V. Draw a diagram illustrating the conversion process of a successive approximation ADC. Label the x-axis conversion step and the y-axis Digital Number(DN). What digital number (DN) will be returned by the DAC within the SAR ADC? 3 B. You have purchased an 8-bit R-2R digital to analog converter to control the joint position on a robot arm (which is proportional to the input voltage). a). The DAC shows an output voltage of 0.49 V when the binary value 00011001 is applied. What is the full-scale analog output range of this DAC in volts? b). What voltage does the DAC output with a binary value of 10101010 applied? c). If the joint rotates 10.0 degrees/V applied, what is the minimum joint rotation increment you can achieve with this DAC?

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Analog to Digital Converters

The analog-to-digital converter (ADC) allows circuits controlled by microprocessors, Arduinos, Raspberry Pi, and various reasonable digital circuits to be connected to the real world. In the real world, analog signals have a continuous stream of information from a variety of sources and sensors capable of measuring sound, light, temperature, or movement, in addition to the many digital systems that interact with their environment by measuring analog signals from those transducers.