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laperla
Joined: 17 Oct 2009
Posts: 6
Location: Ireland
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 17 Oct 2009 22:14 ADC problem |
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Hi all friend
athe perfect ADC has a missing code. i.e. DNL = -1. What is the INL of this
converter?
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JoannesPaulus
Joined: 19 Mar 2008
Posts: 261
Helped: 44
Location: USA
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18 Oct 2009 3:36 ADC problem |
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| It depends. The INL is the cumulative sum of the DNL, so you cannot really say what the INL is going to be if you do not know more.
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Google
AdSense
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18 Oct 2009 3:36 Ads |
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laperla
Joined: 17 Oct 2009
Posts: 6
Location: Ireland
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18 Oct 2009 10:13 Re: ADC problem |
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for this figure
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JoannesPaulus
Joined: 19 Mar 2008
Posts: 261
Helped: 44
Location: USA
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18 Oct 2009 16:42 ADC problem |
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| Approximately -2.5. That ADC is far from perfect...
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eecs4ever
Joined: 31 Jan 2006
Posts: 181
Helped: 26
Location: Analog Environment
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29 Oct 2009 21:52 ADC problem DNL=-1, what is INL? |
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INL (at each code) approximately
0 1 2 3 4 5 6 7
0.5 0 0.2 -0.8 0.7 1.0 1.5 2
loos like the max INL error is around 2, its either +2 or -2 depending on if you define INL to be Ideal - your ADC ouptut , or ADC output - Ideal
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