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  • LM4871: Output Temporary Conflict

    Resolved
    Part Number: LM4871 Hello, I'm wondering what kind of impact could be expected on two LM4871s and a speaker when outputs of the two LM4871s are temporarily connected together. An LM4871 is used on a card in a redundancy system. When the card is being…
    • Resolved

  • LM4871: LM4871 has a pop sound when enable shutdown please help check if could eliminate

    Part Number: LM4871 Other Parts Discussed in Thread: TPA6211A1 Dear experts, My customer use the LM4871MX to drive a speaker, and test the speaker will have a POP sound at the moment of playback. Testing conditions: 1. There is a POP sound during normal…

  • LM4871: ESD data (CDM) request

    Part Number: LM4871 Hi Support Team. I am creating a delivery specification for LM4871MMX/NOPB. In the Qualification Summary, the results of ESD-CDM are described as "See data sheet". However, the datasheet does not show the results of ESD. …
    • Answered

  • LM4871: Alternative for SSM2211SZ

    Resolved
    Part Number: LM4871 Other Parts Discussed in Thread: TPA6211A1 , LM4991 , TPA2011D1 Hi team, Our customer is looking for alternative for ADI SSM2211SZ. I've found that LM4871 is TI alternative by using BOM & cross reference tool. Could you kindly…
    • Resolved

  • LM4871: Problem with pspice simulation (cont)

    Part Number: LM4871 In my previous thread about this, Ivan Salazar said he would get back to me in around a week. That was a month ago and I note that the thread is now locked. This was the text of that thread: I am trying to run a simulation of a design…
    • Answered

  • LM4871: LM4871 schematic review

    Resolved
    Part Number: LM4871 Hi team, It is nice to know you here. Could you please help review the LM4871 schematic from my customer's side? Thanks. BR, Charles Lin
    • Resolved

  • LM4871: Case CS0581107 has been Updated - technical problems--LNKDH-1074291 - Flex ==>TI MPN#LM4871MX/NOPB

    TI Thinks Resolved
    Part Number: LM4871 The speaker got a noise signal when switching 5V power on. we don’t know what causes this and how to get it done, the schematic.

  • LM4871: Problem with pspice simulation

    Part Number: LM4871 I am trying to run a simulation of a design that uses the LM4871, in the TI version of pspice. However, I get this error: ERROR(ORPSIM-15143): Voltage source and/or inductor loop involving X_U1.XU11.EVCM. You may break the loop by…
    • Answered

  • LM4871: output voice want louder

    Resolved
    Part Number: LM4871 Hi team, When using LM4871 according to datasheet recommend, as below, R30=20kohm, R1=20kohm, the voice volume is not louder. If i want to increase the volume, could i increase the amplify gain, like R30=20k, R1=100k? Would this damage…
    • Resolved
    • Answered

  • RE: LM4871: noise - use your finger to remove it

    Resolved
    Hi Ivan, thank you very much for your feedback and help. I removed the C21 capacitor but the noise is the same with the two caps (C26, C27) in place. But it disappears when they are removed so I will stick to that. So far the main issue is solved. I will…

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