ADS7886: ADC Data Output opposite to what's expected

Ada463

Part Number: ADS7886

I am running the ADS7886 but the output appears to be opposite to what I expect so 5V returns a value of zero and 0V returns a value of almost 4095.

Do you know why this might be happening? I am running off of a 5.0V supply.

Thanks

over 2 years ago

0 Aaron Estrada over 2 years ago

TI__Mastermind 22950 points

Hi Luke,

This is definitely not expected behavior. Is it possible for you to share a schematic as well as captures of the SDO, CS, and SCLK lines? For the digital communication lines, it would be great if you can capture all 3 lines in the same image.

Regards,
Aaron Estrada

0 Ada463 over 2 years ago in reply to Aaron Estrada

Prodigy 10 points

Having checked I actually had SDO inverted. I am now getting what I expect.

Thanks

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ADS7886: ADC Data Output opposite to what's expected