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TAS5630PHD2EVM: Input Signal maximum amplitude, Output Power

Julien Riou17
Prodigy 160 points
Part Number: TAS5630PHD2EVM
Other Parts Discussed in Thread: TAS5630, OPA1632

Hello,

I am using the TAS5630 in PBTL mode, with a 4 Ohm Speaker.

I have got some questions :

- What is the maximum signal VPP that I can apply on the input of the OPA1632 without damaging the TAS5630 ? (I can supply the component up to 50V )

- In the datasheet of the TAS5630 we can see a Power Output graph (page 13). Could you confirm me that it is RMS Power ?

Thank you in advance for your answer.

Kind regards,

Julien Riou

  • 0
    TI__Guru 61280 points

    Julien,

    The OPA 1632 will saturate at about 6Vpp, driving this stage any higher will rail the op-amp and damage it if driven even further.

    That being said, full output power on the TAS5630 device is achievable with 3-4Vpp so I wouldn't go past that.

    All the power graphs in our datasheet are RMS.

    Regards,

    -Adam