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  • PCM1789: Required clarification on Thermal resistance data

    TI Thinks Resolved
    Part Number: PCM1789 Tool/software: NA It has given two different Rthja - thermal resistance value in datasheet 87.8degC and 115degC for TSSOP-24pin package. Please clarify the difference between two value. And for IC power dissipation calculation, …
    • Answered

  • PCM1789: During initialize the SPI port, there are noise at the output pins, cause unwanted voice at speaker side.

    Resolved
    Part Number: PCM1789 Tool/software: If the mute pin is used, the noise at output pin will disappear during SPI initialization, but in our application, the mute pin is not used. I would like to know, is it an inherent problem with the chip itself or somewhere…
    • Resolved

  • PCM1789: SNR and THD over high issue

    TI Thinks Resolved
    Part Number: PCM1789 Other Parts Discussed in Thread: PCM1798 Tool/software: Hi Sir, My customer tested the audio DAC performance of PCM1798, they got some test results over high for SNR and THD. Could you please help to review the scheamtics to advise…

  • PCM1789: PCM1789 Parallel hard ware control mode

    TI Thinks Resolved
    Part Number: PCM1789 Dear PCM1789 is hardware mode , How to connect A and B hardware corresponding to Zero1 and Zero2? Please review the SCH? thank!

  • PCM1789: Demo code

    TI Thinks Resolved
    Part Number: PCM1789 Hello, Does TI have any demo code examples for this device? Thanks, Michael

  • PCM1789: PCM1789EVM

    TI Thinks Resolved
    Part Number: PCM1789 Hi team I found opportunity to promote PCM1789 to a new project and the customer needs EVM to evaluation first, but I cannot find the EVM on ti sample website and could you help give the guidance on how to apply for the EVM ?

  • PCM1789: Application Inquiry

    TI Thinks Resolved
    Part Number: PCM1789 Hello Team, My customer wanted to know the maximum junction temperature ( not ambient, but junction) where the device ( PCM1789PW) can fully operate? The datasheet shows that the 150C absolute max junction temperature for stress screening…
    • Answered

  • PCM1789-Q1: PCM1754 + Volume control

    Resolved
    Part Number: PCM1789-Q1 Other Parts Discussed in Thread: PCM1754-Q1 , , PCM1789 Hello, Team, We are looking for a device which could replace PCM1754-Q1 with an additional capability of a volume control. From the datasheet, PCM1789-Q1 would be suitable device…
    • Resolved
    • Answered

  • PCM1789: PCM1789 Schematic review

    Resolved
    Part Number: PCM1789 Hello Sir, One of my customer is using PCM1789 to replace AK4396. They've finished the schematic. May I send it through EMAIL for checking? Best regards, wenting
    • Resolved
    • Answered

  • PCM1789: PCM1789 phase problem

    Resolved
    Part Number: PCM1789 Hi ， PCM1789 replace AKM4388，We found that the phase of the high-pitched and low-pitched AUX channel of the PCM1789 prototype is basically the same, while the phase of the high-pitched and low-pitched BT channel is quite different…
    • Resolved

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