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TPA6130A2EVM: According to the specification of TPA6130A2, When a single end is entered, The LEFTINM and RIGHTINM ends should be attached to the capacitance as the input When a single end is entered, The LEFTINP and RIGHTINP ends connect the capacitance to

2018
Expert 2630 points
Part Number: TPA6130A2EVM
Other Parts Discussed in Thread: TPA6130A2,

According to the specification of TPA6130A2,
When a single end is entered,
The LEFTINM and RIGHTINM ends should be attached to the capacitance as the input
When a single end is entered,
The LEFTINP and RIGHTINP ends connect the capacitance to GND
TPA6130A2EVM is the opposite. What is the reason for this?

  • 0
    TI__Guru* 84915 points

    Hi, 

    The TPA6130A2 works correctly in single-ended mode if  LEFTINM / RIGHTINM or LEFTINP / RIGHTINP are tied to a capacitor to GND. I would say that the EVM single-ended connection results in a inverted output waveform compared with the recommended connection. But for audible purposes, this doesn't have any difference.

    Best regards,
    Luis Fernando Rodríguez S.