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ADS7953: GPIO Drive Strength

Cameron Perl
Expert 6265 points

Part Number: ADS7953

Hey team,

What's the drive strength of the GPIO pins on this device? I have a customer using them to drive some LEDs that was curious. 

I wasn't sure where in the datasheet this information would be..

Thanks,

Cam

  • +1
    TI__Guru**** 183371 points

    Hi Cameron,

    Based on the 200uA source/sink current levels for the digital I/O, I don't think that the designers of the ADS7953 intended for the device to drive LEDs from the GPIO's.  You could use the ABS MAX of 10mA, but that would be for a single pin.  Stay under 2.5mA with four pins.