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  • TPA3251EVM: TPA3251 EVM Gerber files

    Resolved
    Part Number: TPA3251EVM Other Parts Discussed in Thread: TPA3251 Hello, I am working on a small project using the TPA3251 interfaced to a DSP system and a DAC. I am wondering if anyone has access to the TPA3251 EVM Gerber files that i could use to check…
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  • TPA3251EVM: Outout Inductors and the TPA3251EVM

    Resolved
    Part Number: TPA3251EVM Other Parts Discussed in Thread: TPA3251 While I work at TI I do not work in the Audio Amp group and my post here is to pose few questions. My comments are NOT TI recommendations and I’m not a TI expert on these amps. I’m…
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  • TPA3251: TPA3251EVM Dimensions

    Resolved
    Part Number: TPA3251 Hello, The user’s guide for the TPA3251EVM shows the length and width (126mm? x 170mm), can you provide the height? Thank you!
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  • TPA3251EVM: Clipping detection or overtemperature warning (CLIP_OTW) at very low output power

    TI Thinks Resolved
    Part Number: TPA3251EVM Hi, The warning LED CLIP_OTW goes ON at very low input and output power. I have run several tests with different loads and the results are the same. With a 4 Ohm load the clipping warning raises with an input signal of 900 mVpp…

  • TPA3255: High idle-power and extreme hot coils

    TI Thinks Resolved
    Part Number: TPA3255 Other Parts Discussed in Thread: TPA3251 , TPA3251EVM , Hi everyone, I'm developing a very small amplifier for selfpowered speakers. My problem now is Heat! The outputfiltercoils are running extreme hot in a short time ( 100°C in less…
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  • RE: TPA3255EVM: PFFB implementation using standart EVM board

    Resolved
    Hi, TPA3255EVM doesn't have the full PFFB options on board, but you can still do some slightly change on the PCB to implement it. You may take a look at the TPA3251EVM. Thanks! Regards, Sam

  • RE: TPA3251D2EVM: TPA3251D2EVM

    Hi Neil, Actually the TPA3251EVM has the AIB connector not the TPA3251D2EVM. We actually do have a few Audio Plug-In Boards, one of them being the SidGig Guitar EVM! Here's the Altium files for the TPA3251EVM. 8662.TPA3251EVM.zip The PMP11769 has…
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  • TPA3255: SE to Diff Input Stage Star Ground

    Resolved
    Part Number: TPA3255 Other Parts Discussed in Thread: TPA3251EVM Hello. In this paper "Star" grounding configuration shows significant improvements for THD+N parameter.But as i see, TPA3255 PCB rev.A does not have this feature, however TPA3251EVM does…
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    • Answered

  • RE: TPA3255EVM: Reducing Noise

    Resolved
    Hi Jerry, Funny you say this. I changed out the NE5532 on the TPA3251EVM a couple of years ago with the OPA1678 device. There should be no problem switching out the op-amps. For the resistors, changing to a 2kohm resistor shouldn't cause any issues. As…
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  • RE: class D amplifie Guitar

    Resolved
    Hi Anatoliy, TPA3255EVM, TPA3251EVM, TPA3245EVM, TPA3244EVM, TPA3221EVM and TPA3220EVM are all compatible with the SideGig-Guitar Evaluation Module board! The power supply would have to be one that you have however. Hope this clarifies things. Best Regards…

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