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  • TI Thinks Resolved

TPA2029D1: The electrical characteristics of RL=4ohm

Part Number: TPA2029D1

Hi Team,

Please help to provide the electrical characteristics of RL=4ohm.

We now use 4ohm speaker, but datasheet only list the parameter on RL=8ohm.

Please kindly help.

Thanks

  • Hi Daniel,

    The data sheet show some 4 ohm load specs. What would be the characteristics you need for 4 ohm load?

    Best regards,
    -Ivan Salazar
    Applications Engineer - Low Power Audio & Actuators
  • In reply to Ivan Salazar:

    Dear Ivan,
    The electrical characteristic of datasheet based on 8 ohm. And almost all graphs are all for 8 ohm.
    Please provide related 4 ohm data.
    Thanks
  • In reply to daniel:

    Daniel,

    Attached are a couple graphs for 4 Ohm load. As you can see the performance is pretty much the same as 8 ohm load, this is mainly due to the AGC and compressor.


    Data sheet includes THD+N vs Freq and vs Output Power, as well as efficiency, power dissipation, output power vs power supply, all these for both 4 and 8 ohm loads.

    Best regards,
    -Ivan Salazar
    Applications Engineer - Low Power Audio & Actuators

  • In reply to Ivan Salazar:

    Dear Ivan,

    Thanks for your support

    Please kindly help to provide the graph as figure2~figure9 in data sheet for 4ohm.

    Customer request these graph data to design in.

    Many thanks

  • In reply to daniel:

    Daniel,

    You can find these graph for 4 ohm load on TPA2028D1 data sheet.

    Best regards,
    -Ivan Salazar
    Applications Engineer - Low Power Audio & Actuators

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