LM4937TL/NOPB

Audio Amplifiers Overview

The LM4937TL/NOPB is an audio sub-system manufactured by Texas Instruments, designed for consumer electronics applications. It integrates a stereo headphone amplifier with output capacitor-less (OCL) architecture and includes RF suppression capabilities to mitigate interference. The device utilizes a 36-pin PBGA package suitable for surface-mount assembly. It operates within a temperature range of -40°C to +85°C. This component combines amplification functions with radio frequency filtering in a single integrated circuit solution.

Audio Amplifiers Feature Summary

• Integrates OCL stereo headphone output stage
• Includes built-in RF suppression functionality
• Designed for compact consumer electronic devices

Audio Amplifiers Applications

• Portable audio players
• Mobile communication devices
• Consumer multimedia systems

Audio Amplifiers Procurement Notes

Verify the specific revision level and packaging configuration when ordering. Confirm that the 36-pin PBGA footprint matches the target PCB layout. Ensure compatibility with the intended operating temperature range for the final application environment. Cross-reference the datasheet specifications against system requirements before integration.

Audio Amplifiers Selection Notes

Select this component for designs requiring integrated RF filtering alongside headphone amplification. Consider the 36-pin package size constraints during mechanical design. Evaluate power supply requirements against the device's operational limits. Verify thermal performance under maximum load conditions within the specified temperature range.

Audio Amplifiers Part Context

This part belongs to the LM4937 family of audio subsystems from Texas Instruments. It shares functional similarities with other members like the LM4937TL but may differ in packaging or specific electrical characteristics. The NOPB suffix indicates lead-free construction compliant with RoHS standards. It serves as a specialized solution for space-constrained audio applications.

Audio Amplifiers Replacement Considerations

The LM4937TLX/NOPB is documented as a related variant within the same product line. Verify pinout compatibility and electrical parameter equivalence before substitution. Consult official documentation for any differences in package dimensions or thermal properties between these variants.