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shaik.thameem
Associate

Join Date: Dec 2008
Posts: 33

ADC0804

03/16/2011 7:46 AM

Dear sir, Is there any possibilities where i can give directly AC voltage to ADC 0804 (pin 6,7) as input voltage? please tell me thanking you sir.
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Mikerho
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Hobbies - Musician - Engineering Fields - Chemical Engineering - New Member Engineering Fields - Control Engineering - New Member Engineering Fields - Instrumentation Engineering - New Member

Join Date: Jan 2007
Location: Moses Lake, WA, USA, Thulcandra - The Silent Planet (C.S. Lewis)
Posts: 4216
Good Answers: 194
#1

Re: ADC0804

03/16/2011 8:16 AM

The answer is you cannot measure VAC this way. The VAC must first be rectified.

Did you read the responses to your last post?

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lyn
Guru

Join Date: Oct 2008
Posts: 42355
Good Answers: 1693
#3
In reply to #1

Re: ADC0804

03/16/2011 9:28 AM

Apparently he didn't like that answer.
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K_Fry
Guru

Join Date: Feb 2011
Location: Atlanta, GA
Posts: 1053
Good Answers: 110
#4
In reply to #3

Re: ADC0804

03/16/2011 10:53 AM

In cases like this I am tempted to say: "Yes, of course, just use wires to connect your AC source to pins 6 and 7."

"Oh wait... did you want the chip to function?"

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uchesteve
Member

Join Date: Jul 2010
Posts: 8
#2

Re: ADC0804

03/16/2011 8:24 AM

VCC Range = 4.5V DC to 6.3V DC see datasheet on http://www.national.com/ds/DC/ADC0801.pdf
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