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The following is the circuit diagram of the **LM4910 Stereo Headphone Amplifier Circuit**. This IC is specifically designed for portable audio applications, offering a compact and efficient solution for driving headphones.
The LM4910 operates on a low voltage supply of 3.3V and can deliver up to **35mW of continuous average power** to a 32Ω load, making it ideal for use in mobile devices such as smartphones, tablets, and portable music players.
One of the key features of the LM4910 is its innovative circuit design that eliminates the need for output coupling capacitors and half-supply bypass capacitors. This not only reduces component count but also improves overall performance and stability.
Additionally, the LM4910 includes an advanced **“click-and-push†sound-canceling circuit**, which helps to suppress unwanted noise during power-up and power-down sequences, ensuring a smooth and quiet listening experience.
Below is the pinout diagram of the LM4910, which shows how the different pins are connected for various functions such as power supply, audio input, and output.
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