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  • TI Thinks Resolved

THS6212: THS6212 problems

Part Number: THS6212

Dear all,

when i use THS6212 to design PLC products,i met someting confusing. Problems as follows: The broadband carrier module generates heat when working, after basic testing, I fixed the position on THS6212, and it generates heat a lot.Then i did lots test about sample and found the short circuit between VCC and GND(the impendence between VCC and GND <100oum).The power supply VCC is about 12V, and the load current is about 50mA.The eletrical schematic as below,Pls give professional analysis and look forward to your repply!!!Thanks again!!

  • Hi user5102208,

    This looks like the model for THS6214, since there are 4 amplifiers. Is that the part you are actually using? It has conflicting labels and pin numbers, since pin 21 labeled NC4 instead of Vs+ and pin 10 labeled as NC2 instead of Vs-. What package are you using, RHF or PWP? should be Vs+, but it is labeled NC4. What pin numbers are you actually connecting to power and ground?

    Best regards,

    Sean
  • In reply to Sean Cashin:

    Hi Sean,
    This is designed to be compatible with another chip.
    Does this design use THS6212 to affect the electrical performance of THS6212?

    Thank you!!
  • Hi Sean,
    This is designed to be compatible with another chip.
    Does this design use THS6212 to affect the electrical performance of THS6212?

    Thank you!!
  • In reply to Sean Cashin:

    Hi Sean,

    This is designed to be compatible with another chip.

    Does this design use THS6212 to affect the electrical performance of THS6212?

    Thank you!!

  • In reply to Sean Cashin:

    Hi Sean Cashin,
    This is designed to be compatible with another chip.
    Does this design use THS6212 to affect the electrical performance of THS6212?

    Think you!!!
  • In reply to Sean Cashin:

    Hi Sean Cashin,
    This is designed to be compatible with another chip.
    Does this disign use TH6212 to affect the electrical performance of TH6212?

    Thanks!
  • In reply to Sean Cashin:

    Hi Sean Cashin,
    This is designed to be compatible with another chip.
    Does this design use THS6212 to affect the electrical performance of THS6212?

    Thinks!
  • In reply to user4793214:

    Yes, it may affect electrical performance. You may not connect pins labeled NC to anything. Sometimes these pins are connected to internal nodes of the amplifier and used during device qualification.

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