Please advise How to cancel ECO signal on Receiving pin of the TDA5051A when is transmiting ? so far it looks like is normal to receive the ECO but can you please advise if there is a way to avoid it or cancel?

[manuelmaximilia]

Please advise How to cancel ECO signal on Receiving pin of the TDA5051A when is transmiting ? so far it looks like is normal to receive the ECO but can you please advise if there is a way to avoid it or cancel? BR  Max Ariza

[reyes]

Hi Manuel,

The Data_In pin of the receiver board is pulled HIGH to 5V to disable TX in receiver.

This can be confirmed in UM10422 for the TDA5051A demo boards, see transmission test setup in Table 3 of this document: https://www.nxp.com/docs/en/user-guide/UM10422.pdf

Have a great day,

Jose

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[manuelmaximilia]

Hello Jose

Thanks for you support !

Best regards

Max Ariza

Field Application Engineer

Manager

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De: reyes

Enviado el: miércoles, 20 de septiembre de 2017 11:24 a.m.

Para: MANUEL Ariza <maximiliano.ariza@arrow.com>; MANUEL Ariza <maximiliano.ariza@arrow.com>

Asunto: Re: - Re: Please advise How to cancel ECO signal on Receiving pin of the TDA5051A when is transmiting ? so far it looks like is normal to receive the ECO but can you please advise if there is a way to avoid it or canc...

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Re: Please advise How to cancel ECO signal on Receiving pin of the TDA5051A when is transmiting ? so far it looks like is normal to receive the ECO but can you please advise if there is a way to avoid it or cancel?

reply from Jose Alberto Reyes Morales<https://community.nxp.com/people/reyes?et=watches.email.thread> in Other NXP Solutions - View the full discussion<https://community.nxp.com/message/945016?commentID=945016&et=watches.email.thread#comment-945016>