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Vout, maxis the maximum analog voltage that you can observe at the output of the DAC. (an-1.a0)2 2n DAC equation: Vout = Vref Vout, n ,max Occurs when all ak bits are high. %3D = Vref (11)2 : Vref 3 = 0.75Vref Example (2 bits):Vout,max 22 4 The step size AV is the difference between any two consecutive voltage levels in the DAC output. Example (2 bits): (00)2 Vref 22 (01)2 0.25Vref AV = Vout,01 – Vout,00 = Vref 22 Vout, max Δν n 2 0.750000Vref 0.250000Vref 4 8 16

Vout, maxis the maximum analog voltage that you can observe at the output of the DAC. (an-1.a0)2 2n DAC equation: Vout = Vref Vout, n ,max Occurs when all ak bits are high. %3D = Vref (11)2 : Vref 3 = 0.75Vref Example (2 bits):Vout,max 22 4 The step size AV is the difference between any two consecutive voltage levels in the DAC output. Example (2 bits): (00)2 Vref 22 (01)2 0.25Vref AV = Vout,01 – Vout,00 = Vref 22 Vout, max Δν n 2 0.750000Vref 0.250000Vref 4 8 16

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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 Complex the table in the below. Using the following definitions, calculate the maximum output voltage (Vout, max) and step size (ΔV) for 4-bit, 8-bit, and 16-bit R-2R ladder DACs in terms of Vref, then complete table 1 (with 6 decimal places).

 

 

Vout,maxis the maximum analog voltage that you can observe at the output of the DAC. DAC equation: Vout = Vref ,тах (an-1..do)2 Veut max Occurs when all ak bits are high. 2n (11)2 22 3 Example (2 bits):Vout,max = Vref · = Vref · = 0.75Vref 4 The step size AV is the difference between any two consecutive voltage levels in the DAC output. Example (2 bits): (01)2 Vref 22 (00)2 = 0.25Vref 22 Vref AV = Vout,01 – Vo out,00 Vout, max AV n 0.750000Vref 0.250000Vref 4 8 16
Transcribed Image Text:Vout,maxis the maximum analog voltage that you can observe at the output of the DAC. DAC equation: Vout = Vref ,тах (an-1..do)2 Veut max Occurs when all ak bits are high. 2n (11)2 22 3 Example (2 bits):Vout,max = Vref · = Vref · = 0.75Vref 4 The step size AV is the difference between any two consecutive voltage levels in the DAC output. Example (2 bits): (01)2 Vref 22 (00)2 = 0.25Vref 22 Vref AV = Vout,01 – Vo out,00 Vout, max AV n 0.750000Vref 0.250000Vref 4 8 16
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