Texas Instruments

LM1971M  

Audio Special Purpose ICs

LM1971M Description

The LM1971M is a high-performance volume control IC designed for communication systems, offering exceptional audio control capabilities. Manufactured by Texas Instruments, this device is part of the Overture™ series and is housed in a surface-mount 8SOIC package. It features a wide dynamic range of 115dB, ensuring precise volume control and high-fidelity audio performance. The LM1971M operates within a supply voltage range of 4.5V to 12V, making it versatile for various power supply configurations. It supports SPI interface for seamless integration with digital systems and is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards. With a moisture sensitivity level (MSL) of 1 (unlimited), the LM1971M is suitable for a wide range of manufacturing environments.

LM1971M Features

• High Dynamic Range: The LM1971M boasts a dynamic range of 115dB, providing precise volume control and superior audio clarity.
• Single Channel Design: With one channel, it is optimized for applications requiring focused audio control.
• Wide Operating Voltage Range: The device operates reliably within a 4.5V to 12V supply voltage range, offering flexibility in power supply design.
• SPI Interface: The LM1971M supports SPI interface, enabling easy integration with digital systems and simplifying control mechanisms.
• Compliance and Safety: It is REACH unaffected and ROHS3 compliant, ensuring adherence to environmental and safety regulations.
• Moisture Sensitivity Level 1: With an MSL of 1 (unlimited), the LM1971M is highly resilient to moisture, making it suitable for diverse manufacturing conditions.

LM1971M Applications

The LM1971M is ideally suited for communication systems where high-quality audio control is essential. Its high dynamic range and precise volume control make it perfect for applications such as:

• Telecommunication Equipment: Enhancing audio clarity in devices like telephones, headsets, and communication hubs.
• Audio Systems: Providing precise volume control in professional audio equipment and consumer electronics.
• Industrial Communication Systems: Ensuring reliable audio performance in industrial settings where environmental conditions can vary.

Conclusion of LM1971M

The LM1971M stands out as a robust and versatile volume control IC, offering superior performance and compliance with industry standards. Its high dynamic range and wide operating voltage range make it a reliable choice for a variety of applications in the communication systems sector. The SPI interface and surface-mount package further enhance its integration capabilities, making it an ideal solution for modern audio control needs.

LM1971M Documents

Download datasheets and manufacturer documentation for LM1971M

Images :

Mechanical Outline Drawing      

PCN :

Alternate Laser Marking Process Sequence for SOIC package (PDF)       Add Cu as Alternative Wire Base Metal for Selected Device(s) (PDF)      

Models :

LM1971M Symbol & Footprint by SnapMagic