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DRV425: DRV425EVM doesn't match datasheet- which is right?

radar
Expert 3480 points
Part Number: DRV425

Champs, this has to have been answered before but I couldn't find it- what gives with the DRV425EVM?  It shows DRV2 and AINP connected together; whereas all the datasheet examples show DRV1 and AINP connected.  The datasheet results in a much cleaner layout; but am curious to know why they are different?

  • 0
    TI__Mastermind 26485 points
    Hi Radar,

    You are correct in that they were connected differently and one is a cleaner layout. Also the difference is that the EVM and datasheet example will give you an output voltage opposite in polarity. For a given field you will get a positive value for one and negative in the other configuration. Either configuration will work.