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Exar Corporation - CMOS Current Output D/A Converter Design Concepts

Numéro de référence XRDAN30
Description CMOS Current Output D/A Converter Design Concepts
Fabricant Exar Corporation 
Logo Exar Corporation 





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XRDAN30 fiche technique
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XRDAN30
     
   
    
Introduction
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Figure 2. Equivalent Circuit at Full Scale for
AC Analysis
The Effect of DAC Output Capacitance
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Gain
(dB)
Amp Main
Pole
P1
,(% +4 2
Figure 3. Op Amp Open Loop Characteristics
Figure 1. Typical Configuration CMOS IOUT
DAC with External Op Amp forming Voltage
Output Configuration
20 Lo g
(
R IN
RIN +
Rf )
,(% +4 2
Gain
(dB)
RIN Rf x CO =
1
P2

Figure 4. Feedback Signal Path
Transfer Characteristics


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