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  • The Question Of TAS5706A Of Output Voltage Vs Dynamic Frequency Range

    Other Parts Discussed in Thread: TAS5706A Hi， my PCB was designed after referencing TAS5706EVM2. It work in BTL mode .PVCC is 18V .volume gain is 0 dB. the load resistance is 7.7 Ohm. I experience some questions when I keep other measurement condition…

  • Problem of TAS5706A MCLK

    Other Parts Discussed in Thread: TAS5706A Hi, I have a question when I develop TAS5706EVM2.I provide TAS5706EVM2 with LRCLK,SCLK,SDIN1 tthat is produced by MC57xxPSIA when MCLK that is produced by external independent crystal(the same with frequency of…
    • Answered

  • TAS5706A distortion at low volume

    Resolved
    Other Parts Discussed in Thread: TAS5706A , TAS5706B , PCM1808 Hello everybody I discovered a distortion at low volumes at output channels A/B(BTL mode) When testing tas5706EVM2. At higher volumes it works fine. At this moment output channels A/B is…
    • Resolved

  • How to measure the THD+N of TAS5706A

    TI Thinks Resolved
    The measurement board isTAS5706EVM2 (with MC57xxPSIA). My connection is the same as the following graph .Then the speaker(BD,BTL) is connected to A and B of interface .according to sloa068.pdf, two RC filters(100 ohm/47nf) is differently connected to…
    • Answered

  • TAS5706A power up initialization

    Resolved
    Hi Neil: I face the same problem as you face. Would you tall me more detail as how you solve the problem? Many thanks in advance BRs Michael Chen
    • Resolved
    • Answered

  • Re: TAS5706A Mono BTL Output + Stereo headphones

    Resolved
    Andy, Correct, 1) VCLAMP_CD should be left floating. 2) BST_C and BST_D should be left floating, only if you ground outputs C and D internally using register settings outlined in the previous post. (The high side FET needs to be off.) Thanks…
    • Answered

  • TAS5706A DVDD/AVDD

    Resolved
    Other Parts Discussed in Thread: TAS5706A I notice that in the TAS5706A datasheets and EVM, DVDD and AVDD are both powered from the same line. Should AVDD not be powered from a separate regulator to reduce noise on the digital line?
    • Resolved
    • Answered

  • TAS5706A : POP noise problem on PWM on/off.

    Resolved
    Other Parts Discussed in Thread: TAS5706A Application : 2ch active speaker AMP/ BTL mode. Hello, We're using the TAS5706A to 2ch speaker AMP, but POP noise appears on PWM on/off. We changed several register as 0x1A, 0x00, 0x03.. and…
    • Resolved
    • Answered

  • TAS5706A amplifier will not output full power at certain frequencies

    Resolved
    Other Parts Discussed in Thread: TAS5706A I am working on a product that uses three TAS5706A stereo amps in 2.0 BTL mode. Our REV B PCB performed admirably with my worst Audio Precision torture tests, such as running a sweep at 20W x 2 into 8 ohms from…
    • Resolved
    • Answered

  • TAS5706A power up initialisation

    Resolved
    Other Parts Discussed in Thread: TAS5706A Hi, I have a design that has two TAS5706A parts on it with slightly different layout and routing of the power and signals. When I apply +24V power to the design only one of the amps works as expected. If I lower…
    • Resolved

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