Texas Instruments Digital Attenuator 78 dB 3 MHz 20-Pin SOIC LM1972M/NOPB

Texas Instruments LM1972M/NOPB is a high-performance digital attenuator designed for precise audio attenuation up to 78 dB with a maximum operational frequency of 3 MHz. This device features 20 pins in a Small Outline Integrated Circuit (SOIC) package, optimized for surface mount technology, making it suitable for compact PCB design applications.

The attenuator offers digital control with daisy-chain capability for flexible system integration and supports smooth, pop-and-click free attenuation changes, enhancing audio quality in professional sound systems. A built-in mute function adds to its utility in audio signal processing, providing silent switching and improved user experience.

Designed to operate within a supply voltage range of 4.5 V to 12 V, it maintains stable impedance at 60kΩ, ensuring consistent signal integrity. The device’s temperature operating range from 0°C to 70°C makes it suitable for use across various environments in industrial and commercial audio equipment.

With a compact footprint measuring 13.01 mm in length and 2.286 mm in height, this attenuator fits well in space-constrained applications. Its robust specifications make it ideal for studio mixing consoles, sound reinforcement, and other professional audio systems.

Engineers and designers in the electronics manufacturing, telecommunications, and audio industries will find the LM1972M/NOPB a reliable component for enhancing signal quality and control. It supports design efficiency by integrating digital attenuation with clear, noise-free performance.

Digital attenuation with daisy-chain capability for expanded control. Pop-and-click free attenuation changes ensure smooth audio transitions. Includes a mute function suitable for audio signal processing applications. Designed for surface mount (SOIC) with 20 pins for easy PCB integration.

Operates within a supply voltage range of 4.5 V to 12 V. Supports audio frequency applications up to 3 MHz. Maintains impedance at 60kΩ for consistent signal quality. Compact design with length of 13.01 mm and height of 2.286 mm.

Operates reliably from 0°C to 70°C for stable performance in various environments. Ideal for studio mixing consoles and sound reinforcement systems. Explore more components like this within the Electronics Components category on EnvMart for advanced audio and electronic design solutions.

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