Help me I can't identify this chip

[Otgonbaatar]

hi guys
I can't identify this chip. I guess it must be RF amplifier.

S111
6216
0731

LFCSP type
16 pins

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[cameo_2007]

what made you to guess that it is an RF amp ?

 

[Otgonbaatar]

what made you to guess that it is an RF amp ?

It's one part of RFID reader.

 

[cameo_2007]

then probably it could be.
No signs of any data sheet anywhere.
Try tracing out where the pads are routed to.

 

[skal81]

From the marking, I think it's a Skyworks IC (the first letter being S).
After a quick search, I got a match: SKY65111
https://www.skyworksinc.com/uploads/documents/200428E.pdf
See page 15 for marking information.

 

[Otgonbaatar]

From the marking, I think it's a Skyworks IC (the first letter being S).
After a quick search, I got a match: SKY65111
https://www.skyworksinc.com/uploads/documents/200428E.pdf
See page 15 for marking information.

Hi
Thank you very very much.
It seems right datasheet