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INA 326 not working!!!

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paddy_p

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Hi,

I am using INA 326 instrumentation amplifier. I have connected it in bridge arrangement as shown in datasheet. But it is not working.
I have checked it on TINA simulator where it works fine. But when I am testing it practically there is no output.
I have attached circuit and pics of my board for reference. Please have a look and suggest.

Thanks,
Paddy
 

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  • INA 326.pdf
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  • IMG-20130716-WA0004.jpg
    IMG-20130716-WA0004.jpg
    62.9 KB · Views: 76

It's not clear how you connected the amplifier input. Also gain setting resistor R5 is unspecified.

As a first step, you'll check the voltages at all amplifier pins for plausibility.
 

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