Texas Instruments

LM4875MM/NOPB  

Audio Amplifiers

LM4875MM/NOPB Description

The LM4875MM/NOPB is a high-performance, Class AB monolithic power amplifier designed for a wide range of audio applications. Manufactured by Texas Instruments, this device is part of the renowned Boomer® series, known for its robust performance and reliability. The LM4875MM/NOPB features a maximum output power of 1W at an 8-ohm load and 110mW at a 32-ohm load, making it suitable for driving various types of speakers and headphones.

This amplifier operates within a supply voltage range of 2.7V to 5.5V, providing flexibility in power supply options. It is available in a surface-mount 8-VSSOP package, which is ideal for compact and space-constrained designs. The LM4875MM/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets the highest environmental and safety standards. Additionally, it has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.

LM4875MM/NOPB Features

The LM4875MM/NOPB offers several advanced features that enhance its performance and usability:

• Depop Functionality: Reduces unwanted noise during power-up and power-down, ensuring a clean and quiet audio experience.
• Mute and Shutdown: Provides control over the amplifier's operation, allowing for power savings and noise reduction when not in use.
• Thermal Protection: Protects the device from overheating, ensuring reliable operation under various conditions.
• Volume Control: Offers flexibility in adjusting the output level, making it suitable for applications requiring dynamic volume adjustments.

These features, combined with its Class AB design, provide excellent audio quality and efficiency. The device's ECCN classification as EAR99 and HTSUS code 8542.33.0001 ensure compliance with international trade regulations.

LM4875MM/NOPB Applications

The LM4875MM/NOPB is ideal for a variety of applications where high-quality audio output and compact design are essential. Some specific use cases include:

• Portable Audio Devices: Such as MP3 players, smartphones, and tablets, where space is limited, and high audio quality is required.
• Headphone Amplifiers: The 110mW output at 32-ohm load makes it suitable for driving high-impedance headphones, ensuring clear and powerful audio.
• Consumer Electronics: Including smart speakers, soundbars, and other audio devices that require a reliable and efficient power amplifier.

The LM4875MM/NOPB's ability to operate within a wide supply voltage range and its surface-mount package make it an excellent choice for designers looking to integrate a high-performance audio amplifier into their products.

Conclusion of LM4875MM/NOPB

The LM4875MM/NOPB from Texas Instruments is a versatile and high-performance Class AB monolithic power amplifier. Its combination of robust features, including depop functionality, mute and shutdown capabilities, thermal protection, and volume control, makes it stand out in the market. The device's wide supply voltage range, compact 8-VSSOP package, and compliance with environmental and safety standards further enhance its appeal.

Ideal for portable audio devices, headphone amplifiers, and consumer electronics, the LM4875MM/NOPB offers designers a reliable and efficient solution for their audio needs. With its excellent audio quality, flexibility, and ease of integration, the LM4875MM/NOPB is a top choice for applications requiring a high-performance audio amplifier.

LM4875MM/NOPB Documents

Download datasheets and manufacturer documentation for LM4875MM/NOPB

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Mechanical Outline Drawing      

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