Texas Instruments

LM4935RL/NOPB  

Audio Amplifiers

LM4935RL/NOPB Description

The LM4935RL/NOPB is a high-performance, mono Class D audio amplifier from Texas Instruments, part of the renowned Boomer® series. This device is designed to deliver exceptional audio performance with a maximum output power of 1.3W into an 8-ohm load, and 52mW into a 16-ohm load in a dual-channel configuration. It operates efficiently within a supply voltage range of 2.7V to 5.5V, making it suitable for a wide range of portable and battery-powered applications.

The LM4935RL/NOPB is packaged in a compact 49DSBGA format, ideal for surface-mount applications. It is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory adherence. The device is available in a tape and reel (TR) package, facilitating efficient manufacturing processes. Despite its obsolescence status, the LM4935RL/NOPB remains a reliable choice for designers seeking a robust, high-quality audio solution.

LM4935RL/NOPB Features

The LM4935RL/NOPB boasts a comprehensive set of features that enhance its versatility and performance. Key features include:

• Audio Processing Capabilities: Integrated ADC and DAC functionalities enable high-fidelity audio conversion, ensuring pristine sound quality.
• Control and Interface Options: Equipped with I2C and SPI interfaces, the amplifier offers flexible control options for system integration. I2S compatibility further enhances its compatibility with digital audio systems.
• Power Management: Features such as depop, shutdown, and standby modes optimize power consumption, making it ideal for battery-operated devices.
• Audio Control: Volume control, mute, and PCM support provide precise audio management, enhancing user experience.
• Microphone Support: The inclusion of a microphone interface allows for direct integration with voice-activated systems, expanding its application scope.

LM4935RL/NOPB Applications

The LM4935RL/NOPB is well-suited for a variety of applications where high-quality audio output and efficient power management are critical. Ideal use cases include:

• Portable Audio Devices: Its compact size and low power consumption make it perfect for portable media players, smartphones, and tablets.
• Voice-Activated Systems: The microphone interface and audio processing capabilities support applications in smart speakers and voice-controlled assistants.
• Battery-Powered Equipment: The efficient power management features ensure extended battery life, making it suitable for handheld devices and remote monitoring systems.
• Consumer Electronics: The robust design and high-fidelity audio output make it a reliable choice for consumer electronics requiring high-quality audio amplification.

Conclusion of LM4935RL/NOPB

The LM4935RL/NOPB from Texas Instruments is a versatile and high-performance mono Class D audio amplifier. Its combination of high output power, efficient power management, and advanced audio processing features make it an excellent choice for a wide range of applications. Despite its obsolescence status, the LM4935RL/NOPB remains a reliable and efficient solution for designers seeking a compact, high-quality audio amplifier. Its comprehensive feature set and compatibility with various digital audio systems ensure it continues to meet the needs of modern electronic designs.

LM4935RL/NOPB Documents

Download datasheets and manufacturer documentation for LM4935RL/NOPB

EOL :

Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing      

Application Notes :

AN-1451 LM4935 Automatic Gain Control (AGC) Guide (Rev. A)       AN-1432 The LM4935 Headset/Push-Button Detection Guide (Rev. A)