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Associate

Join Date: Dec 2008
Posts: 33

ADC0804

03/15/2011 8:33 AM

Dear sir, Please tell me how to check ADC0804 output without interfacing micro controller.i have read the datasheet but i didnt undrerstand.please post me the connections to check the output of ADC without microcontroller. thanking you sir.

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Guru
Engineering Fields - Electrical Engineering - New Member United States - Member - New Member

Join Date: Apr 2007
Location: Wichita, Kansas USA
Posts: 653
Good Answers: 30
#1

Re: ADC0804

03/15/2011 9:00 AM

Page 23 of the data sheet, Section 3.0 "Testing the A/D Converter" has a full description of how to test this A/D. Page 24 has "Figure 9, Basic A/D Tester" which shows all the connections to properly test this A/D without a microprocessor. The only parts needed are a few capacitors, a switch, a power supply, and a handful of LED's to display the data word of the digital outputs. If this write-up and diagram are beyond your understanding, then I don't think you will be able to test the A/D.

Tom D.

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