Hi Fi headphone amplifier circuit diagram


Posted on Feb 7, 2014

LM4880 is a dual audio HiFi amplifier IC from National Semiconductor. This headphone amplifier circuitis specifically designed to produce high quality audio output with a minimum amount of components. LM4880 integrated circuit capable of delivering 250mW per channel into 8ohm load. IC has a THD of 0.1% and has a voltage range of 2.7V to 5VDC. In th


Hi Fi headphone amplifier circuit diagram
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e circuit shown above, the resistors R1 and R2 are the feedback resistor. C4 and C5 are DC input decoupling capacitor. Filtering capacitor C3 provide power and reduce noise. The amplifier automatically shuts off whena low logic level is given to the shut down pin(pin5). The capacitor C6 is working at half-supply filtering.




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