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TPA3255-Q1: input signal request

Part Number: TPA3255-Q1
Other Parts Discussed in Thread: TPA3255, DRV595

Dear: 

TPA3255-Q1 , my design is PBTL mode output, input end is INPUT_A,INPUT_B, refer schematic is AC  couple, I want to use DC signal input, Could you help give me a suggestion ?if dc signal input , which  must follow  request?