Content originally posted in LPCWare by xianghuiwang on Tue Mar 10 17:43:52 MST 2015
Hi, brownm,
The ADC in LPC54102 consumes 1.0mA at its maximum 4.8MS/s. And yes the input impedance is a function of the clock frequency. We are in the process to update the DS to reflect these details.
regards,