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Dear Team,
we are currently routing a layout with the LMH1228. The traces would run much smoother if we could exchange/swap the + and - pins of the differential interface: swap IN+ with IN0- and swap OUT0+ with OUT0-.
I'm pretty shure this is explained in the Programing Guide SNAU206 (as it is in SNAU204C for the LMH1297), thus I alreday requested it and I'm waiting for it ... however, a quick confirmation here, would help us in speeding up our design process.
Thank you very much for your support!
Best Regards,
Sebastian
Hi Sebastian,
Apologize for delay - please use link below to request this and other design related documents.
In parallel, you can also send me a friend request along with your company email address.
Regards,Nasser
Hi Nasser,
thank you very much for your help ... now I received the documents. And I still have a question regarding possible inversion. The Programming Guide talks about possible inversion of all outputs, no hint regarding input:
In case we deliver an inverted input signal on the pins IN0+/-, I could invert all outputs and everthing is fine again!? Is this understanding correct?
Best regards,
Sebastian
Hi Sebastian,
Yes your understanding is correct - you can swap P&N on input and then invert the polarity on output as noted in the programming guide. Typically this is done for ease of pcb layout.
Regards,Nasser