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  • TPA2038D1: Guidance needed for 250 Hz–5 kHz audio filter with TPA2038D1 + Audio DSP

    Part Number: TPA2038D1 I am working on an audio design using an Audio DSP and the TPA2038D1 amplifier, and I want to limit the audio bandwidth to 250 Hz – 5 kHz for better speech clarity and to avoid unnecessary power consumption. I am confused about…

  • TPA2038D1: Hiss noise from 32Ohm driver

    Part Number: TPA2038D1 Dear TI Support Team, I am using the TPA2038D1 Class-D amplifier in a headphone output configuration driving a 32 Ohm load, and I am experiencing audible hiss noise even when no audio signal is applied. Here are the key details…

  • TPA2038D1: Debugging problem feedback

    Part Number: TPA2038D1 Hi, I have a customer debugging TPA2038D1, 5v power supply, driving the 4Ω horn, the output power can be normal. When driving the 8Ω horn, the output power is very low, please help to look at the problem. Details are attached…

  • TPA2038D1: How to measure the actual output power of the horn

    TI Thinks Resolved
    Part Number: TPA2038D1 Hi， I have a customer looking at the products of TPA2038D1 and want to know how the efficiency of this chip is measured. How to measure the actual output power of the horn when the input voltage and current are known? Many…
    • Answered

  • TPA2038D1: TPA2038D1 schematic review

    Resolved
    Part Number: TPA2038D1 Hi Team, Our customer encounter annoying audible sound (attached mov file) from the speaker powered by TPA2038D1. Can you help to review the attach schematic ? Look forward to your comments any improvement we can made ? Thanks…
    • Resolved
    • Answered

  • TPA2038D1: Internal circuit of the gain pin

    Resolved
    Part Number: TPA2038D1 Hello team, I have received some questions from my customer about the speaker amplifier TPA2038D1. Question: They want to check the internal circuit of the gain pin on the TPA2038D1. Are there any documentations about it?…
    • Resolved
    • Answered

  • TPA2038D1: Noise effect for peripheral circuit

    Resolved
    Part Number: TPA2038D1 Hello team, I received a question from the customer about noise effect from TPA2038D1. When the TPA2038D1 is fully driven, will there be any noise from the power supply pin? Have TI ever verified that there is no noise in the…
    • Resolved

  • TPA2038D1: power dissipation and temperature rise

    TI Thinks Resolved
    Part Number: TPA2038D1 Hello team, My customer has some questions about power dissipation and temperature rise of class-D amp TPA2038D1. I would appreciate it if you could give me some advice. [Question 1] They want to know what DISSIPATION RATINGS…
    • Answered

  • TPA2038D1: Length and width of board pattern

    Resolved
    Part Number: TPA2038D1 Hello team, My customer has a question about board pattern of TPA2038D1. Regarding the input (IN + / IN-) and output (VO + / VO-) of the amplifier (TPA2038D1), is there any regulation about how long the wiring should be? Also…
    • Resolved
    • Answered

  • TPA2038D1: Pop noise caused by large current flow

    Resolved
    Part Number: TPA2038D1 Other Parts Discussed in Thread: PCM2912A Hello team, I received a question from my customer about large current flow of TPA2038D1. They are using it in combination of PCM2912A + TPA2038D1. It seems that large current cause…
    • Resolved

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