EE 435 Lect 35 Spring 2010

EE 435 Lect 35 - EE 435 Lecture 35 DAC Design DAC Architectures(Nyquist Rate Review from last lecture Types Voltage Scaling Resistor String

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EE 435 Lecture 35 DAC Design
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DAC Architectures (Nyquist Rate) Types Voltage Scaling Resistor String DACs (string DACs) Interpolating Current Steering Binarily Weighted Resistors R-2R Ladders Current Source Steering Thermometer Coded Binary Weighted Segmented Charge Redistribution Switched Capacitor Serial Algorithmic Cyclic or Re-circulating Pipelined Integrating Resistor Switching MDACs (multiplying DACs) .• • • Review from last lecture .•
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R-String DAC R R R RFF n 1 IN S 1 S 2 S 3 R F S N2 n 2 n 12 n = n :n S ck S c1 R S c1 S c2 S c2 S cN1 S cN1 R F R F R F S N2-1 OUT S ck Interpolator I INT I INT V DD Interpolator Loading Eliminated/Reduced with Current Biasing .• • • Review from last lecture .•
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R-String DAC V OUT n 2 n 2 MSB Row Decoder n 1 n 2 LSB Analog MUX V REF String DAC with Row/Column Decoders .• • • Review from last lecture .•
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R-String DAC R C R F R F R F R F R F R F R F R F V REF R
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This note was uploaded on 01/31/2012 for the course EE 345 taught by Professor Geiger during the Fall '11 term at Iowa State.

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EE 435 Lect 35 - EE 435 Lecture 35 DAC Design DAC Architectures(Nyquist Rate Review from last lecture Types Voltage Scaling Resistor String

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