LM4871LD

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The LM4871LD is an audio amplifier with a linear output in the form of a low-power monolithic integrated power amplifier. It is designed to provide good performance and cost savings over competing components, especially in audio-rich applications. LM4871LD is a two-channel power amplifier capable of driving up to 2.5W into a 4Ω speaker. It offers up to 55V/V gain, low distortion, and low power operation. It is also designed with a protection circuit to guard against output shorts, over-voltage conditions, and thermal shutdown.

The LM4871LD supports remarkable energy savings over comparable audio amplifiers on the market. It can operate with a supply voltage as low as a single lithium-ion battery, and its low quiescent current draw further reduces power consumption. Additionally, its high efficiency lead-free plastic packaging lowers the device\'s thermal resistance which helps it maintain its self-cooling capability. All of these features reduce the size and cost of the power supply design, which makes the LM4871LD a perfect choice for a range of applications.

The LM4871LD is a single-supply amplifier with a regulated supply voltage range of 2.7V to 5.5V. It offers an amazingly wide gain range of 54 dB or 55V/V, adjustable to fit the requirements of the circuit. This makes it an ideal choice for voice-activated systems, where good gain control over the input can be achieved with the LM4871LD. The amplifier also offers low group delay up to -115 dB. An integrated thermal overload protection circuit helps keep the amplifier running reliably in high temperature environments reducing the risk of device failure.

The LM4871LD features a low noise audio output, low distortion, and low total harmonic distortion (THD), eliminating the need for additional filtering components. Additionally, it has advanced control features such as mute, disable, and reset for configuring the amplifier for a wide range of applications. The standby mode reduces the quiescent current to an incredibly low level, ideal for battery-driven applications.

To sum up, the LM4871LD is an advanced audio amplifier with high performance low noise audio and linear output for low-power monolithic applications. It includes a range of user-configurable control features and has wide gain and good thermal protection. Additionally, it helps reduce power consumption, with integrated thermal overload protection, low quiescent current, and low supply voltage. The LM4871LD is an excellent choice for applications requiring audio amplification with highly reliable and efficient operation.

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