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TMSx70 ADC source impedance

Posted: 06 Sep 2010  Print Version  Bookmark and Share Subscribe

Keywords: ADC  source impedance  TMSx70 ADC 

[Summary of tips] Unbuffered multiplexed ratio-metric ADCs have strict requirements on driving source impedance that are not always obvious. This application report addresses the trade-offs between source impedance and sample rate. It includes both 10bit and 12bit examples using the TMS570 and TMS470 family of processors in the GS30, GS40 and GS......
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