POP noise suppression device, power amplifier and electronic device

The invention relates to a POP noise suppression device, a power amplifier and an electronic device. The POP noise suppression device is applied to an audio power amplifier, and the POP noise suppression device comprises at least one input end used for receiving an input signal; at least one first branch, respectively and correspondingly connected with the input ends, the first branch comprising afirst resistor, and the output side of the first branch being used for outputting processed signals; and an adjustable resistor assembly, one end of the adjustable resistor assembly being connected with the input side of each first branch, the other end of the adjustable resistor assembly being grounded, the adjustable resistor assembly correspondingly adjusting the resistance value of the adjustable resistor assembly based on a received adjustment instruction, and the adjustment instruction being a digital signal or an analog signal which changes gently. According to the embodiment of the invention, the generation o