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Original question:

PGA900: Could PGA900 have RS485 output with SN65HVD7?

PGA900: Could PGA900 have RS485 output with THVD14x9?

hao Su
Intellectual 520 points
Part Number: PGA900

Hi:

In THVD14X9 datasheet ,Current During Operation: < 3 mA .

Could I use AVDD of PGA900 as power supply of THVD14X9?

thanks

  • 0
    TI__Mastermind 31655 points

    Hello,

    The AVDD regulator can supply up to 4mA to an external load. If the load of the THVD14X9 does not exceed that then you should be able to power it from the AVDD supply. Generally I would recommend using an external supply instead of the AVDD to avoid situations that might overload the regulator, since the AVDD is an important supply for internal blocks as well.

    Regards,