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i would to use a TPA3125D2 as a output power guitar amp, but i have mono signal from the preamp, and i would to know if it's possible to drive the TPA3125D2 without audio balanced signal. I know that some chip (TPA3106D1 or TPA3112D1) are mono input, but dip package is easier to solder, and i have not the footprints for TPA3106D1 and TPA3112D1 in ExpressPCB.
I will precise that i won't use a chip as DRV134, i would a "simple" guitar amp.
Thanks for answers
PS : sorry for langage, i'm a french with a bad level...
You have two options:
Build figure 30 and add an op amp to invert your signal to obtain a fully-differential input signal (which is required), OR build figure 29 and just use one channel. The benefit of figure 30 is it will provide 4x the output power!
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In reply to Don Dapkus:
Thank you for this answer!
I gonna use Fig 30 for my amp, and send an other message when it will be finished
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