TPA6120A2: Output Power vs. Load Resistance Load Resistance

oguzhan demirci

Intellectual 455 points

Part Number: TPA6120A2

Hi All,

we couldn't see the Output Power vs. Load Resistance Load Resistance graph of TPA6120A2 part on the Datasheet.

could you please kindly help me to find the graph.

thank you,

Ozi.

over 8 years ago

0 Ivan Salazar over 8 years ago

TI__Guru** 109055 points

Hi Ozi,

Unfortunately this data is not available. Are you looking for the output power at a specific load resistance?

Best regards,
-Ivan Salazar
Audio Applications Engineer - Low Power Audio & Actuators

0 oguzhan demirci over 8 years ago in reply to Ivan Salazar

Intellectual 455 points

Hi Ivan,
Yes , mimimum 400 ohm, 100mW
best regards,
Ozi..

0 Ivan Salazar over 8 years ago in reply to oguzhan demirci

TI__Guru** 109055 points

Ozi,

TPA6120A2 should be able to reach 100-mW into 400-Ohm.
I've performed a quick test and got the following:
Output = 106.7-mW / 7.068-Vrms
Load = 470-Ohm
Input = 2.3-Vrms @1kHz
THDN+N = 0.02917%

The input signal amplitude will be dependent to the gain you're using.
Note that you will need around 6.5-V at the output to get 100-mW into 400-Ohm loads.

Best regards,
-Ivan Salazar
Audio Applications Engineer - Low Power Audio & Actuators

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TPA6120A2: Output Power vs. Load Resistance Load Resistance