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  • TPA3255EVM: The voltage gain is changed by input frequency in tpa3255evm

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    Part Number: TPA3255EVM Other Parts Discussed in Thread: TPA3255 Hi, I' am using TPA3255EVM for testing a piezo actuator driving. the detailed driving conditions are described as below - load : piezo actuator, 200nf - driving frequency 20k ~ 40kh…
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  • TPA3255EVM: Boosting input gain of TPA3255EVM

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    Part Number: TPA3255EVM Hi, We want to boost input gain of TPA3255EVM board after some researchs, i found that if you change R8 and R41 to 20K gain boosts to 2. Is that information correct? If it is not correct please reply with correct solution. Thanks…
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  • RE: TPA3255EVM: Heat sink faulty (yes, srsly)

    Hi Gord Our device height is 1mm to 1.2mm, and heatsink height should be 1mm, so usually there should be no space between our device and heatsink. But according to your description, seems this heatsink has some problem, maybe higher than the spec. Sorry…

  • TPA3255EVM: output problem

    TI Thinks Resolved
    Part Number: TPA3255EVM Hi, I am using TPA3255EVM in PBTL Configuration(every configuration is set according to the EVM DATASHEET ). When the input is a fixed value(single-ended input),such as AVDD/2, then I tesed J9 outA ,outB which could see the …
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  • TPA3255EVM: Altium Source Files

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    Part Number: TPA3255EVM Other Parts Discussed in Thread: TPA3255 , TPA3251 , TPA3255-Q1 Does anyone have access to the source files (I think they were done in Altium) for the TPA3255EVM. I would like to use them as a starting point for my application. Thanks…
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  • TPA3255EVM: VDD and Reset Questions

    Resolved
    Part Number: TPA3255EVM Other Parts Discussed in Thread: TPA3255 , , TPA3255-Q1 I have two more questions regarding the TPA3255 and TPA3255EVM. 1. The TPA3255EVM has a 12V regulator for VDD, but the datasheet shows an absolute max rating of 11.4V and typical…
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  • TPA3255EVM: Question about GVDD_AB and GVDD_CD filtering

    Resolved
    Part Number: TPA3255EVM Other Parts Discussed in Thread: TPA3255 Curiosity question related to the TPA3255 EVM Schematic, I noticed that on VDD a 10uH inductor was used but on GVDD_AB and GVDD _CD no inductors are used, is there a reason for this? They…
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  • TPA3255EVM: question about the TPA3255EVM quick start guide

    TI Thinks Resolved
    Part Number: TPA3255EVM Hi team, I got a question from customer about the TPA3255EVM quick start guide. www.ti.com.cn/.../slou458.pdf 1.running one channel PSTL, how to connect the mono input? do I parallel the mono input to both J3 and J18? can you help…
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  • TPA3255EVM: Gerbers for EVM

    Resolved
    Part Number: TPA3255EVM Other Parts Discussed in Thread: TPA3255 I see the Gerbers have been made available. Is it possible I could get hold of these please?. Purely for interests sake, I am now retired and and going crazy with boredom! many thanks, R…
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  • RE: TPA3255EVM: No Sound

    Sam is on leave today. I am not familiar with AIB you post here, but if the logic of AIB output follows TPA3255 control logic, that would be fine.

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