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about the use of the TAS5613 in Monomode for sub-woofer apps..

hung huynh trung
Prodigy 80 points
Other Parts Discussed in Thread: TAS5613, TAS5613A

dear Ti support engr,

i want to know from the basic apps diagram for driving a single speaker in BTL mode if the inputs must be driven in opposite phase...

  • 0
    TI__Mastermind 18510 points

    Hung Huynh Trung, there are 2 ways to drive a mono load with TAS5613A.  (TAS5613 is not recommended for new designs.)

    - BTL:  see page 16 of data sheet SLAS711 (copy attached).  This schematic shows differential inputs (driven in opposite phase), and these are preferrable for noise rejection.

    - PBTL:  see page 17 of the data sheet.

    Regards,

    Steve.

    tas5613a.pdf
  • 0 in reply to SteveCrump
    Prodigy 80 points

    dear steve,

    thanks for that answer in case of mono btl is that true that this circuit can output more than 120 W rms at 4 ohms with less than 1%thd in a single sub-woofer...regards

     

    SteveCrump said:

    Hung Huynh Trung, there are 2 ways to drive a mono load with TAS5613A.  (TAS5613 is not recommended for new designs.)

    - BTL:  see page 16 of data sheet SLAS711 (copy attached).  This schematic shows differential inputs (driven in opposite phase), and these are preferrable for noise rejection.

    - PBTL:  see page 17 of the data sheet.

    Regards,

    Steve.

     

  • 0 in reply to hung huynh trung
    TI__Mastermind 18510 points

    Hung Huynh Trung, with a single BTL output 125W into 4ohms at 1% THD+N is typical for our devices with test conditions shown on page 8 of the data sheet.  The PBTL typical output is 130W, and that provides extra margin.

    Regards,

    Steve.