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  • LM4990: layout review

    Part Number: LM4990 Tool/software: Hi, Would you please help review our layout for LM4990 ? I wil send you layout file via privacy message. thanks! Jeff
    • Answered

  • LM4990: schematic review

    Resolved
    Part Number: LM4990 Other Parts Discussed in Thread: PCM5100A , , PCM5101A Tool/software: Hi, Would you please help us review the LM4990 schematic? For DAC We may choose PCM5100A or PCM5101A. thanks! 1586.PCM510xA+LM4990-20241225 (1).pdf Jeff
    • Resolved

  • LM4990: Thermal resistance for the MSOP-10 PowerPAD package (DGQ)

    Part Number: LM4990 The datasheet doesn't list a thermal resistance for this package, only for the VSSOP, BGA, and WSON packages. I want to verify a design thermally, so need to know that resistance. Can it be added to the datasheet? ( https://www.ti…
    • Answered

  • LM4990: CDM,HBM (ESD)

    Resolved
    Part Number: LM4990 To Whom It may concern Good day, May I ask what are the competence values of CDM and HMB? P/N:LM4990MM/NOPB Best Regards Shingu
    • Resolved

  • LM4990: Date code and Country of Origin on top marking

    TI Thinks Resolved
    Part Number: LM4990 Hi Sir/Madam, Part# LM4990MH/NOPB Please help to confirm the date code and Country of Origin on following top markings: If "year" cannot be confirmed, please kindly advise the "month" or "week" if available. Thanks…
    • Answered

  • LM4990: Thermal pad

    Resolved
    Part Number: LM4990 Audio team, For the LM4990MH/NOPB, I see the comment in the datasheet about connecting the thermal pad to a thermal plane. Should that thermal plane be ground? (Is it connected to GND internally?) Also, the dimensions of the thermal…
    • Resolved

  • LM4990: Please help us with the review of the LM4990LD/NOPB audio amplifier design.

    TI Thinks Resolved
    Part Number: LM4990 Hey, I have installed the Audio amplifier and sound should be considerably low. I have used CDS-25148-L100 sa speaker. please do needful to improve the audio quality
    • Answered

  • LM4990: Please help us with the review of the LM4990LD/NOPB audio amplifier design.

    Resolved
    Part Number: LM4990 I have installed the circuit to drive the 2 W 4 ohm speaker by using LM4990LD/NOPB, where the VDD is 3.3V. But i didn't get any output. could you please recheck it once,and let us know about any debugging options.
    • Resolved

  • LM4990 Voltage Out

    Other Parts Discussed in Thread: LM4990 Hi There We are considering using a LM4990 as a driver. The signal it is driving is 1 kHz sine wave with stepped amplitudes (IRIG) which is generated by a DAC. From my reading of the data sheet, the AMP can…
    • Answered

  • TPA6211A1: Audio amp and codec

    Resolved
    Part Number: TPA6211A1 Other Parts Discussed in Thread: LM4990 Tool/software: Hi, I'm looking for an audio amplifier to drive a single-ended 2W speaker with a frequency response that extends to at least 21.5kHz. Specifically, I need: An I2S/PCM…
    • Resolved

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