| 摘要 |
The present invention relates to a system and a method for microphone amplifier. According to an embodiment, a two-wire microphone includes an integrated circuit. The integrated circuit includes: an amplifier which includes a power supply connection connected to a first pin of the integrated circuit and a standard connection connected to a second pin of the integrated circuit; and an impedance element which includes a first end connected to the output of the amplifier and a second end connected to a first node within the integrated circuit. The present invention maintains excellent sound performance against power supply noise due to combining power and signal interfaces into single interface. |
