PCM1794 audio dac, current output questions ...

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Dear all,
I'm currently using a PCM1794 audio dac (whith current type outputs).
Actually, i'm using it in stereo mode with the datasheet schematic (I/V converter followed by diff amplifier for each channel).
If i use the DAC in mono mode, is it possible (a good design practice ?) tu use in parrallel the current sources each outputting the same signal ...

L+ // R+
L- // R-

to increase current strength (and improve signal/noise ratio ?)

thank's a lot for your help !