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TPA6205A1 Power consumption

Other Parts Discussed in Thread: TPA6205A1

Hi,

 

I would like to get your advise on the following issue.

 

We have both speaker and headphones in our project.

The audio generator chip is capable to drive headphones, however, for the onboard speaker I'm using audio amp (TPA6205).

 

The issue is, that I do not have an option of sensing whether headphones are connected or not, therefore, I can't force audio amp into shutdown when headphones are inserted.

But, I have an option to disconnect audio signal from the amp when headphone is inserted.

 

The question is: what the power consumption of amp in "idle" mode – i.e. no shutdown, no input signal.

 

Thanks,

Shlomi