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  • TAS2781: TAS2781: Voltage and Current Sensing Not Working

    Part Number: TAS2781 Hi TI team The V-I sense function in our design is not working. The SDOUT pin does not output any data when we use the V-I sense function. However, other functions, such as die temperature sensing and audio output, are working normally…

  • TAS2781: denied access to TAS2781-SW

    TI Thinks Resolved
    Part Number: TAS2781 Other Parts Discussed in Thread: TLV320ADC6120 Hi, I am building prototype boards to try and decide what ADC and amplifier to use in our IO board. We have noarrowed the ADC to TLV320ADC6120 and are still choosing an amplifier…

  • TAS2781: TAS2781: How to routing pure Echo Reference to AUDIO_TX(0x16) slot in Tuning Mode?

    Part Number: TAS2781 Hi, I am using TAS2781 with PPC3 Tuning Mode. I want to output 3 channels simultaneously: V-Sense (0x0E), I-Sense (0x0F), and pure Echo Reference (Audio loopback) via AUDIO_TX (0x16) on TDM bus. However, in tuning mode, the internal…
    • Answered

  • TAS2781: TAS2781: PVDDH voltage recommendation and efficiency for 25W / 8-ohm load (PWR Mode 2)

    Resolved
    Part Number: TAS2781 Hello TI Support Team, I am currently designing the audio board for an intercom camera system using the TAS2781 , and I plan to drive a 25W, 8-ohm speaker . The amplifier will be configured to operate in PWR Mode 2 . To ensure…
    • Resolved
    • Answered

  • TAS2781: About TAS2781 FCT guide and code for MCU implement

    Resolved
    Part Number: TAS2781 Hi TI Team, If I need to calibration the custom PCBA's speaker, it should be donw using the FTC process, am I right? I find that there has driver code from TI git for linux kernel, It seems, the FTC can running in DUT itself if import…
    • Resolved
    • Answered

  • TAS2781: Request for Efficiency Graph of TAS2781 in PWR_MODE2 (PVDDH=12V, PVDDL=Cap to GND)

    Resolved
    Part Number: TAS2781 Hello TI Support Team, I am currently designing a board using the TAS2781 audio amplifier. My configuration is as follows: Supply Power Mode: PWR_MODE2 (Internal LDO used for PVDDL) PVDDH: 12V PVDDL: Connected…
    • Resolved
    • Answered

  • TAS2781: PPC3 End System Integration for TAS2781 Sampling Frequency

    Resolved
    Part Number: TAS2781 Other Parts Discussed in Thread: TAS2563 Hi TI Team Could you tell me why the Sampling Frequency at the screenshot below only the 48kHz option can be selected ? What is it for? Actually, TAS2781's I2S LRCLK input is 16kHz from external…
    • Resolved
    • Answered

  • TAS2781: Requesting access to Speaker Characterization (Learning Board) for TAS2781

    Resolved
    Part Number: TAS2781 Other Parts Discussed in Thread: PP-SALB2-EVM , Hello, I have already received approval for PPC3 and the TAS2781 EVM plug-in. However, I need to use the PP-SALB2-EVM (Smart Amp Learning Board 2) for speaker characterization, and the…
    • Resolved

  • TAS2781: TAS2781 - Linux kernel patch and question / suggestion for TIAS2781RCA2.bin firmware change for power saving mode

    TI Thinks Resolved
    Part Number: TAS2781 Hi there, I'm an Arch Linux user that has just had a kernel patch accepted for the TAS2781 audio subsystem. I have some info about this in case it's useful, and a question / suggestion about power saving mode in the firmware. …

  • TAS2781: TAS2781 Audio Output Issue: SPI vs I2C Communication

    Part Number: TAS2781 Hi TI Team Currently, I am encountering an issue with the TAS2781. When using SPI communication, I am unable to produce any sound. However, after switching the communication method to I2C, the device works normally and outputs sound…

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