The LM1971M/NOPB is a digitally controlled audio attenuator fabricated on a CMOS process. It is a part of Texas Instruments' industry-leading line of audio components that provides high-quality sound control. This particular model is designed to offer precision volume control, making it an ideal choice for a wide range of audio applications.

Key Features

• Attenuation Range: The device provides a wide attenuation range of 62 dB in 1-dB steps, ensuring fine control over sound levels.
• Signal-to-Noise Ratio: With an excellent signal-to-noise ratio, it delivers clear and crisp audio, minimizing noise and distortion.
• Low Distortion: The LM1971M/NOPB boasts very low total harmonic distortion (THD), preserving the integrity of the audio signal.
• Single Supply Operation: It operates from a single supply voltage ranging from 4.5V to 16.5V, making it versatile for various circuit configurations.
• Mute Function: A mute function is included, which allows the user to completely silence the output when necessary.

Applications

The LM1971M/NOPB is perfect for a variety of audio systems, including:

• Professional audio mixers
• Consumer audio/video receivers
• Automotive sound systems
• Computer audio systems

Package and Quality

This audio attenuator comes in an 8-pin SOIC package, marked with the NOPB suffix, indicating that it is lead-free and RoHS compliant. This reflects Texas Instruments' commitment to environmental sustainability without compromising on performance and reliability.

Design Support

Texas Instruments provides comprehensive design support for the LM1971M/NOPB, including detailed datasheets, application notes, and online design tools. This ensures that engineers can easily integrate this audio attenuator into their designs and bring high-quality audio solutions to market quickly and efficiently.