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19th February 2008, 02:23 PM
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 confusion over AD620 On working with AD620 instrumentation amplifier, i found that pin number 5 has been designated as REFERENCE... what is this mean? wat should ideally be supplied to this pin? i supplied two input signals of the same amplitude and frequency to the 2 inputs of the AD620... i was getting an amplified output... i should be getting almost zero output rite??? i am not able to understand why this is happeneing... can u ppl help me... | |
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19th February 2008, 03:23 PM
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| Have you reviewed the examples in the data sheet: http://www.analog.com/UploadedFiles/...930AD620_e.pdf Unless used for a specific purpose, the Reference is connected to your power supply common. This is the same "common" used by your input and output signals. Ken
__________________ "To invent, you need a good imagination and a pile of junk." Thomas A. Edison (1847 - 1931) | |
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