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OP284 and ADA4897-1 and maximum PCB driving distance

Question asked by Cman Employee on Feb 1, 2012
Latest reply on Apr 19, 2012 by harryh

Hello experts

 

Question and appreciate your advise:

 

For a standard PCB (FR4, 4 layers 1.6mm pcb thickness, track of 0.254mm, with ground plane on the 2nd layer). point-to-point. and assuming termination is good. Signal source frequency is approx 1khz to 500Khz.

(a) can these amplifiers (OP284 and ADA4897-1) drive a distance of 12 to 15 inches long when they are configured as a unity gain buffer driver.

(b) if not, what would the maximum driving capable distance be.

 

 

Thanks and Regards,

Ching

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