LM4865: LM4865 HP sense termination

Kai Nomiyama

Part Number: LM4865

Hi Team,

I have a question about HP sense termination.

When we don't use headphone Jack, what is the termination of HP sense?

- short to GND?

- HP sense - 150Ω - GND?

Regards,

Kai

0 Justin Beigel over 3 years ago

Hello Kai,

Our team is looking into this thread and will respond shortly.

Best Regards,

Justin Beigel

0 Kai Nomiyama over 3 years ago in reply to Justin Beigel

Hi Justin,

Sure, let me know once you know it.

Regards,

Kai

0 Ivan Salazar over 3 years ago in reply to Kai Nomiyama

Hi Kai,

I assume you want to use BTL mode all the time, correct?
In this case, you can pull-down HP sense pin directly to GND, no need to add the resistor.

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

Audio forum