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TPA2005D1: 4 ohm load

Brooks Lind
Prodigy 70 points
Part Number: TPA2005D1

Is the TPA2005D1  Capable of driving  4 ohm speaker with Vdd @ 5.0V. The datasheet implied  VDD should be  Maximum 4.2 V with 4 ohm load.

What performance would be compromised when using VDD @ 5V with 4 ohm load. 

  • 0
    TI__Guru* 84915 points

    Hi, Brooks,

    Yes, the TPA2005D1 can only handle 4ohms load with the voltage range of 2.5V to 4.2V. Having a higher power supply may result in a risk of overcurrent. Constant exposure levels beyond this range may damage the device. So, we don't recommend to use higher power supplies for this load.

    Best regards,
    Luis Fernando Rodríguez S.