LM4674TLX/NOPB

The LM4674TLX/NOPB is an audio linear amplifier. It’s a four-channel audio amplifier with ultra-low noise and low power consumption. It integrates four independent amplifiers, each of which is designed to drive high-current headphone capacitors, such as those used in powered speakers.

Application Field

The LM4674TLX/NOPB is an ideal solution for powering external headphones or small speakers, such as gaming headphones, where optimal sound performance and noise reduction is required. It can also be used in professional audio applications such as recording consoles and live audio mixers. It’s also suitable for use in home theater systems, car audio systems and other automotive applications.

The LM4674TLX/NOPB is designed to drive a wide range of audio components, from small internal speakers to large external studio monitor systems. With a maximum output power of 5W per channel, it’s capable of delivering clean, crisp audio with low distortion and noise.

Working Principle

The LM4674TLX/NOPB is a fully differential low-noise audio amplifier. The four independent amplifiers provide balanced, high-performance audio output with low distortion, low noise and low power consumption. Each amplifier is capable of delivering up to 5W of continuous output power into an 8 ohm speaker.

The LM4674TLX/NOPB has two independent power supplies, allowing the device to be used in a wide range of power supplies without compromising audio performance. The power supply rejection ratio is high, allowing the amplifier to operate in noisy environments without significant negative effects. The amplifier also has a low output impedance, allowing it to driving long cables without significant losses.

The LM4674TLX/NOPB is designed for excellent thermal performance, allowing it to operate in high-temperature environments without thermal runaway. The amplifier has a wide frequency response, allowing for accurate audio reproduction and excellent transient response. The LM4674TLX/NOPB also features excellent protection from common-mode errors, such as DC offset and power supply noise.

The LM4674TLX/NOPB is designed to minimize external components, providing a cost-effective solution for a wide range of audio applications. The amplifier has a wide input voltage range, allowing it to be used in both low and high-voltage applications. The LM4674TLX/NOPB also includes a built-in fault protection circuit to protect against over-current and over-temperature conditions.

Conclusion

The LM4674TLX/NOPB is an audio linear amplifier designed to deliver clean, crisp audio with low distortion and low noise. It is ideal for powering external headphones or small speakers, and is suitable for a variety of professional audio applications. With two independent power supplies, a wide frequency response and high power rejection ratio, the LM4674TLX/NOPB is a cost-effective solution for a wide range of audio applications.