Using AD7890

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Has anyone used AD7890, perhaps with 8051?

Problem is I'm sending 0x10, to AD, but result is on the scope something
strange and doesn't correspond to input voltage it is always same?

Mickey



Re: Using AD7890

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Just out of curiosity, did you ever get
the 7731 to work?

Re: Using AD7890


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I don't know if it helps, but I've used 7714's and 7715's. Not without
problems!
--
Capoccetta



Re: Using AD7890
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I also don't know, say what were the problems?

Maybe it helps.



Re: Using AD7890
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I did.

The main thing that bothered me and I didn't pay attention to was that
input Analog Voltage has to be from 1V to 4V.



Re: Using AD7890
Everything is ok,

Grounds weren't connected.



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