ABCs of ADCs - Analog-to-Digital Converter Basics (PDF)
ABCs of ADCs - Analog-to-Digital Converter Basics (PDF)
ABCs of ADCs - Analog-to-Digital Converter Basics (PDF)
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General Purpose <strong>ADCs</strong> FromNational – Guaranteed Speed RangesADCADC081S021ADC081S051ADC081S101ADC101S021ADC101S051ADC101S101ADC121S021ADC121S051ADC121S101Res(Bits)81012MuxInputs111Speed(ksps)Pwr. Cons(mW)50 - 200 1.3200 - 500 1.6500-1,000 2050 - 200 1.3200 - 500 1.6500 - 1,000 2050 - 200 1.3200 - 500 1.6500-1,000 20ADCADC084S021ADC084S051ADC084S101ADC104S021ADC104S051ADC104S101ADC124S021ADC124S051ADC124S101Res(Bits)81012MuxInputs444Speed(ksps)50 - 200200 - 500500 - 1,00050 - 200200 - 500500 - 1,00050 - 200200 - 500500 - 1,000Pwr. Cons(mW)1.62.23.21.62.23.21.62.23.2ADC082S021ADC082S051ADC082S1018 250 - 200200-500500 - 1,0001.62.23.2ADC102S02150 - 200 1.6ADC102S051ADC102S10110 2 200 - 500500 - 1,0002.23.2ADC122S021 50 - 200 1.6ADC122S051ADC122S10112 2 200 - 500500 - 1,0002.23.2ADC088S022ADC088S052ADC088S102ADC108S022ADC108S052ADC108S102ADC128S022ADC128S052ADC128S1028101288850 - 200200 - 500500 - 1,00050 - 200200 - 500500 - 1,00050 - 200200 - 500500 - 1,0000.91.21.81.11.52.11.21.62.358The groupings here are by pin compatibility. All <strong>of</strong> these devices are communicated with in thesame way. This makes portability <strong>of</strong> design across resolution, speed, sample rate andmultiplexor options very simple.<strong>ABCs</strong> <strong>of</strong> <strong>ADCs</strong> - Rev 3, June 2006Authored by: Nicholas “Nick” Gray58Copyright © 2003, 2004, 2006 National Semiconduc<strong>to</strong>rCorporationAll rights reserved
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