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Showing 58 results View by: Thread Post Sort by
    Answered
  • LM4871: LM4871 and boost converter for battery operated application

    Nabeel Ahmad
    Nabeel Ahmad
    Resolved
    Part Number: LM4871 Other Parts Discussed in Thread: TPS61023 , Tool/software: Hello, I am using 8 ohm speaker. connected output f DC DC converter TPS61023 to power LM4871. The boost converter converts 2.8V to 5V for LM4871. When I turned ON the volume…
    • Resolved
    • 6 months ago
    • Audio
    • Audio forum
  • Answered
  • LM4871: simulate LM4871M

    MEIHAN YANG
    MEIHAN YANG
    Resolved
    Part Number: LM4871 Tool/software: I built up the circuit of LM4871M just as typical circuit shown, but the output of LM4871M would always be 5V. How could I solve it?
    • Resolved
    • 7 months ago
    • Audio
    • Audio forum
  • LM4871:Pop Up Noise Solution Inquiry

    Park Kyungtae
    Park Kyungtae
    Part Number: LM4871 Tool/software: Hello, I have a question about the LM4871MMX/NOPB circuit. The circuit is configured as shown in the attached image. The problem is that Pop Up noise occurs when power is supplied. In order to solve the Pop Up…
    • 7 months ago
    • Audio
    • Audio forum
  • LM4871: Output short protection

    Tao_2199
    Tao_2199
    TI Thinks Resolved
    Part Number: LM4871 Hello, My customer is asking about output protection on LM4871. Does it have output short protection? Or can it use the thermal shutdown protection instead of output short protection? Regards, Tao_2199
    • over 1 year ago
    • Audio
    • Audio forum
  • Answered
  • LM4871: Discrepancy between Spice and data sheet

    Vincenzo Costanza
    Vincenzo Costanza
    Resolved
    Part Number: LM4871 Hi, we were modeling the basic configuration for the LM4871 both in PSpice for TI and LTSpice as shown in the part's data sheet (input signal to the inverting input of the amplifier). However, the simulation results do not match…
    • Resolved
    • over 2 years ago
    • Audio
    • Audio forum
  • LM4871: LM4871MX/NOPB - Required PCN Document for Wire bonding changes

    manoj balakrishnan
    manoj balakrishnan
    Part Number: LM4871 Hi Experts , Good Day , Can you please check and confirm below image which is having the wire bonding changes and Bottom markings are consistent with TI requirements ? . Both the date codes were belongs to Malaysia. Please…
    • over 1 year ago
    • Audio
    • Audio forum
  • LM4871: LM4871 has a pop sound when enable shutdown please help check if could eliminate

    Zoe Yang
    Zoe Yang
    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…
    • over 3 years ago
    • Audio
    • Audio forum
  • LM4871: Input Impedance

    Divyanshu Shukla
    Divyanshu Shukla
    Part Number: LM4871 Other Parts Discussed in Thread: TPA6211A1 Dear TI team, I need to know the amplifier's minimum and maximum input impedances because I plan to work on an LM4871 audio amplifier. The schematic and DC resistance of the audio transformer…
    • over 2 years ago
    • Audio
    • Audio forum
  • LM4871: Need support in calculating the power supply required

    Amal Babu
    Amal Babu
    Part Number: LM4871 Dear team, I am planning to use LM4871MX for my design. I am planning to operate the device at 3.3V and device is expected to drive at 8ohms loads. How much current should be supplied at 3.3v rails for proper operation.
    • over 2 years ago
    • Audio
    • Audio forum
  • LM4871: Absolute Max Ratings of Vo1/Vo2

    Shinichi Yokota
    Shinichi Yokota
    Part Number: LM4871 Hello, I cannot find the Absolute Max Ratings of LM4871's Vo1/Vo2 in the data sheet, however, how does the LM4871 behave if a voltage is externally applied to these pins when a supply to the LM4871 is turned off? Could it damage…
    • over 2 years ago
    • Audio
    • Audio forum
>

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