I am attempting to convert the differential output of a DAC to a single-ended signal using the following circuit from a TI datasheet:
The signals going into this amplifier look like this:
And the output signal looks like this:
The Op-amp I am using is the LMC6484 (rail-to-rail) with V- to GND and V+ to +5V. My understanding is that the subtraction of signals results in a negative value for half of the waveform resulting in the clipping behaviour. What I am looking for is a way to bias the signal to avoid this clipping? I am trying to avoid having to add a negative voltage rail.
I am having a hard time figuring out how this is possible. Any suggestions?