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1uA abd 20Mhz current source with ADL5315

Question asked by RHL on Nov 29, 2017
Latest reply on Nov 30, 2017 by jdobler



We are considering to give a 20Mhz square wave at Vset PIN of ADL5315 while adding a suitable resistor to GND at INPT pin, to generate a 1uA current source with 20Mhz BW at the IOUT pin.  


But from the spec, ADL5315 response is limited at 1Mhz for 1uA current, does it make sense?  Does ADI have another device to meet our requirements?  If there is no existing device applicable, any other solution?


Thank you for the help.