LM4915 Single-channel pseudo differential headphone amplifier circuit diagram

Published:2011/8/16 22:08:00 Author:Rebekka | Keyword: Single-channel pseudo differential, headphone amplifier | From:SeekIC

LM4915 is a pseudo-differential audio power amplifier. It is mainly used for demanding mono headset such as mobile phones and other portable audio devices. LM4915 uses 3V power supply. The average power is output 90mW and it drives 32Ω BTL load. LM4915 has a Low-power shutdown mode. Just drive control logic active low-side. LM4915 has an internal thermal shutdown protection agency. It contains a modified Cameroon - flapping sound elimination circuit. The internal fixed gain is set to 6dB. The pinout is shown as below.



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