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power consumption in ADC (Read 4095 times)
VNF
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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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Screenshot_007.png
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pancho_hideboo
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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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Kita━━━━━━(゚∀゚)━━━━━━ !!!!!
http://www7.plala.or.jp/ungeromeppa/flash/kita.html
http://www.youtube.com/watch?v=mjIxGh55bMM&feature=related
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love_analog
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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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The Power of Analog
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ywguo
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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
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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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Kita━━━━━━(゚∀゚)━━━━━━ !!!!!
http://www7.plala.or.jp/ungeromeppa/flash/kita.html
http://www.youtube.com/watch?v=mjIxGh55bMM&feature=related
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