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THVD2450: Driver Output Current is RMS value?

Art Mecina
Genius 16655 points
Part Number: THVD2450

Hello Guys,

Good day.

Our customer wanted to know if the driver output current (IO) specified as –60 to 60 mA on the datasheet of THVD2450 is an RMS value?

Thanks to confirm!

Art

  • 0
    TI__Guru 62920 points

    Hi Art,

    It's intended as a DC amplitude, not RMS.  Note that this recommendation is not necessarily a hard limit - the device's output current will be a function of the supply voltage and the loading present on the bus.  You can see the output amplitude versus load current in Figure 2 of the datasheet and the output current versus supply voltage (for a worst-case RS-485 load of 54 Ohms) in Figure 3 to get a better understanding of what to expect in typical applications.  60 mA is what is expected for a fully-loaded bus with the transceiver operating at VCC = 5 V.

    If you have any further questions please let us know.

    Max

  • 0 in reply to Miguel Robertson
    TI__Genius 16655 points

    Thanks for the prompt response Max!

    I will notify the customer of this and will let you know for any further inquiry.

    Art