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PCM5101A: what's the value of output impedance

GW
Intellectual 2160 points
Part Number: PCM5101A

Hi, Team

Customer use our PCM5101A in their audio speaker, and they prefer to know our output impedance, i search our datasheet, it only shows the load impedance 1K ohm. 

Could u help to share the value to us?

Thanks.

G.W

  • 0
    TI__Guru 53453 points

    Hi GW,

    The output of the PCM510xA is a voltage output amplifier, so the impedance will be pretty low, I would estimate 1Ω.  The drive capability of that amplifier is limited, so that is why we apply the minimum load impedance of 1kΩ.

    Thanks,

    Paul