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power consumption in ADC (Read 4010 times)

VNF New Member Offline Posts: 8	power consumption in ADC May 05^th, 2010, 9:05am Hi all, When I check the current flow from VDD, the current I got has big spikes, (from 30mA to 120mA) (as attached), in cases like this, how would I calculate the power consumption of my ADC? Thanks a lot!
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pancho_hideboo Senior Fellow Offline Posts: 1424 Real Homeless	Re: power consumption in ADC Reply #1 - May 5^th, 2010, 9:11am I prefer RMS value of current for one period, although averaging mode of actual DC current meter in Digital Multimeter calculates simple averaging not RMS. If you want to know post processing method, post your questions to simulator's board not design board. And describe tool's name which you use as post processing.
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love_analog Senior Member Offline Posts: 101	Re: power consumption in ADC Reply #2 - May 5^th, 2010, 12:40pm cadence allows you to plot the average or rms of the curren through calculator tool.
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ywguo Community Fellow Offline Posts: 943 Shanghai, PRC	Re: power consumption in ADC Reply #3 - May 5^th, 2010, 6:36pm Hi Pancho_hideboo, I prefer average value of current because this is not signal power but current consumption. Yawei
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pancho_hideboo Senior Fellow Offline Posts: 1424 Real Homeless	Re: power consumption in ADC Reply #4 - May 6^th, 2010, 2:08am ywguo wrote on May 5^th, 2010, 6:36pm: I prefer average value of current because this is not signal power but current consumption. See subject of this thread. It is "power consumption in ADC".
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