LM4862MX/NOPB

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LM4862MX/NOPB is a versatile audio power amplifier with wide range of application including phone and tablet audio system, audio hands-free device and battery-powered portable audio products. It is a flexible device with differential outputs, single-ended outputs, low-pass filter and clipped OFF feature. Plus Mode and High Performance Clip Detector (HPCD) features make it attractive for portable applications. It also features floating Auxiliary Outputs, internal Thermal Shut Down and short-circuit protections.

The LM4862MX/NOPB is an integrated circuit power amplifier designed for use in extremely efficient applications with low quiescent current. It has dual differential outputs and can deliver up to 1 Watt per channel. It is a high-efficiency power amplifier that operates from a single power supply with a guaranteed maximum distortion of 0.1%. The LM4862MX/NOPB is designed for use in medium to high output power applications and can drive loudspeakers with low distortion. It is ideal for mobile applications such as personal stereos, cellular phones, personal digital assistants and portable audio players, where low power consumption is important.

The LM4862MX/NOPB can be used to drive either a single-ended speaker or a differential load. If the load is single-ended, then the output voltage swing is limited to 400mVrms (8Vpp). For a differentially driven speaker, the output voltage swing is limited to 600mVrms (16Vpp). The output stage includes devices in both linear and saturation region, which means it can provide both low noise and good linearity. The power efficiency of this power amplifier is very high and typically exceeds 95%.

The LM4862MX/NOPB is designed to operate from a single power supply and requires only minor external components. A 4.75V to 15V unregulated, unregulated or battery supply is recommended for all operating conditions. The current consumption for the LM4862MX/NOPB is approximately 10mA to 35mA, depending on the mode of operation. The device is capable of driving loudspeakers with impedances as low as 4 ohms. The output power is typically 1W per channel into 8 ohms. Furthermore, it has cost-effective external volume control, enabling easy device interface and saving precious PCB area.

The LM4862MX/NOPB power amplifier is designed to drive full-range, high-efficiency, single-ended or differential loudspeakers. The LM4862MX/NOPB has a power gain of 20dB and operates over a frequency range of 20Hz to 20kHz. The device has a high input voltage range (1.4V to 15V). The device is designed for low power and low distortion applications. The low-level, high-linearity characteristics are ideal for audio circuits and can be used for high-fidelity sound reproduction.

The device has a minimum guaranteed Feedback stability of 10mV, which ensures stability and good performance in a variety of frequency responses. It features proprietary circuit topologies that enable it to produce high performance, low distortion, and high efficiency. The internal short-circuit protection and thermal protection ensure safe operation in harsh environments. It also has floating auxiliary outputs that can be used to drive power MOSFETs and other power drivers.

The LM4862MX/NOPB audio power amplifier can be found in many portable applications, such as mobile phones, tablets, handheld audio speakers, and car audio systems. With its high efficiency, high linearity, low distortion, and wide input voltage range, the LM4862MX/NOPB is ideal for audio applications where excellent sound quality is required. It has a robust design and is also suitable for battery operated applications. With its versatile feature set, the LM4862MX/NOPB is an excellent choice for audio power amplifier design.

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