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ads1298 PGAs

Noel Teku
Intellectual 430 points
Other Parts Discussed in Thread: ADS1298

Hello,

   I'm working on a senior design project using the ads1298, and I've ran into a few interface issues. We are planning on using either a PIC or Arduino microcontroller, and I'm not sure how to use either to set the PGA values on the ads1298. 

Thanks!

  • 0
    TI__Mastermind 38745 points
    Hey Noel,

    The PGA can be configured by writing values to the CHnSET register. This device uses an SPI compatible interface to write and read registers as well as retrieve conversion data. The most comprehensive source of information regarding the ADS1298 is its datasheet. That document will specify device functionality, expected performance, SPI timing, register map, etc. You can find it here: www.ti.com/.../ads1296.pdf

    Regards,
    Brian Pisani