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TAS2555: IOVDD between 1.8 and 3.3V

Nicholas Carley
Expert 8185 points
Part Number: TAS2555

The datasheet specifies an IO voltage of 1.8V +/-10% and 3.3V +/-10% - do you know if there's any problem with operating it between those ranges? 
For example, operating at 2.1V. I see this voltage is fine for abs max, but I'm not sure if this affects any logic/performance inside the device.

Thanks
Nick 

  • 0
    TI__Guru* 84915 points

    Hi, Nick,

    There's no problem if the device is used with another voltage value between 1.8V and 3.3V. As you mentioned, the voltage respects the absolute max voltage. So, there wouldn't be risk to damage the device or affect its behavior.

    However, you would need to ensure that the digital inputs and outputs respect the min and max values that they can achieve based on the IOVDD level that you are using. As mentioned in the electrical characteristics section, the digital input/output have some min and max values that depend of the IOVDD voltage.

    I hope this helps. Please let me know if you have additional questions or comments.

    Best regards,
    Luis Fernando Rodríguez S.