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  • LME49600: OPA1622 headphone amplifier design review / TINA-TI instability at low rail voltages

    Resolved
    Part Number: LME49600 Other Parts Discussed in Thread: OPA1622 , , TINA-TI , BUF634 , BUF634A , OPA1633 Tool/software: Hi, I am designing a headphone amplifier for use in recording studio applications. It will need to drive high-impedance headphones to loud…
    • Resolved

  • LME49600: PSRR

    TI Thinks Resolved
    Part Number: LME49600 Hello, When look at datasheet page7, there are PSRR characteristics data. Figure 18 and 20 are same title +PSRR vs Frequency VS = ± 15V, Wide BW Mode. What is different? Could Figure 20 be -PSRR? Also, are Figure 19 and 21…

  • LME49600: Junction to case thermal resistance

    TI Thinks Resolved
    Part Number: LME49600 Other Parts Discussed in Thread: BUF634 Hello, We are replacing BUF634 with LME49600 in one of our designs. In the thermal information of BUF634 junction to case thermal resistance is mentioned separately for top and bottom. But…
    • Answered

  • LME49600: Open Loop Distortion and Pspice Model

    Resolved
    Part Number: LME49600 To Whom It May Concern, In the data sheet the distortion performance is specified with an LME49710 in circuit which I assume is used to linearize the LME49600. I simulated the LME49600 using Pspice and it shows the highest harmonic…
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    • Answered

  • LME49600: Can I use LME49600 as a buffer prior to a summing amplifier?

    Resolved
    Part Number: LME49600 Other Parts Discussed in Thread: INA217 , LM4881 Hi, I am using INA217 as the pre-amplifier followed by an attenuator that works as the volume control. I'd like to use a buffer after the attenuator and right before a summing amplifier…
    • Resolved
    • Answered

  • LME49600: Usage of single power supply

    Resolved
    Part Number: LME49600 Other Parts Discussed in Thread: TINA-TI Hi, Is my understanding correct that LME49600 can support not only the dual power supply but also the single power supply? If yes, it seems that "LME49600 TINA-TI Reference Design" doesn't…
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    • Answered

  • LME49600: LME49600 alternatives

    Resolved
    Part Number: LME49600 Other Parts Discussed in Thread: LME49720 , , LME49860 , LM4562 , RC4580 , BUF634A , LM833 , NE5532 , BUF634 , TL972 , TL974 Hello TI, I have a client that wants to us to design a consumer headphone amplifier. We are researching the IC LME49720…
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    • Answered

  • OPA1611: in combination with LME49600 and problem with capacitive load.

    Resolved
    Part Number: OPA1611 Other Parts Discussed in Thread: LME49600 , LME49720 , OPA1612 , BUF634A , OPA1622 Hello, I'm working on a headphone amplifier project that use the circuit recommended in LME49600 datasheet. Only that I've replaced the LME49720 with OPA1612…
    • Resolved

  • LME49600: Altium ASCII files SCH and PCB FILE

    TI Thinks Resolved
    Part Number: LME49600 Hello, Kindly provide the Altium CAD & ASCII files , SCH and PCB FILE. Thank You. Neil Henry IRAD LLC iradllc@outlook.com

  • WEBENCH® Tools/LME49600: FILTER DESIGN ( BAND PASS FILTER CHEBYSHEV TOPOLOGY)

    TI Thinks Resolved
    Part Number: LME49600 Tool/software: WEBENCH® Design Tools Hello, I am using the your Filter design tool to design the 2nd order, 6th order Bandpass filter CHEBYSHEV and The design is not tallying with the formulas of cut off frequency. My understanding…

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