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TLV320DAC3100: output loading requirement

yf liao
Expert 1080 points
Part Number: TLV320DAC3100


Hi, I want to confirm that can TLV320DAC3100 drive 25ohm, 1.5W speaker?

  • 0
    TI__Guru* 84915 points

    Hi, Yf Liao,

    Unfortunately, the TLV320DAC3100 cannot reach 1.5W with 25ohms load. If you see on the Class-D Speaker Driver Performance section of the datasheet, the 8ohms load can reach this power level but the THD starts increasing. A 25ohms load probably could reach this value but with a very bad performance.

    Best regards,
    Luis Fernando Rodríguez S.