Part Number: LMH6518DESIGN-CALC
Other Parts Discussed in Thread: LMH6554, TINA-TI
Hello, I would like to inquire about the project requirement: converting a 1.85Gbps LVDS signal (amplitude 350mV, Vcm 1.2V) into a signal with amplitude 350mV and Vcm 0.3~0.7V. Using LMH6554 IC and setting Vcm=0.5V, the simulation results show that VM1's VID is only 8mV, while VM2 and VM3's VCM are only 0.1V;
The waveform output is only satisfactory when the Vcm is adjusted above 2.5V, but this no longer meets the requirement of Vcm being within 0.3~0.7V. Could you please explain what's happening? The attached .TSC file is a Tina-TI simulation file. Thank you! VCM_input_LMH6554_ADC_Driving.TSC
