LM4753T

Audio Amplifiers Overview

The LM4753T is a dual 10W audio power amplifier integrated circuit manufactured by National Semiconductor. It operates in Class AB topology and is housed in a TO-220-15 package. The device integrates mute, standby, and volume control functions alongside short-circuit and thermal protection mechanisms.

Audio Amplifiers Feature Summary

• Dual channel stereo audio amplification with integrated mute and standby modes
• Built-in short-circuit and thermal protection for enhanced reliability
• Integrated volume control functionality within the amplifier circuit

Audio Amplifiers Applications

• Audio power amplification systems
• Stereo sound output stages
• Consumer electronics requiring protected audio outputs

Audio Amplifiers Procurement Notes

Verify the manufacturer designation as National Semiconductor or Texas Instruments depending on the production era. Confirm the TO-220-15 package type and PZFM15 marking code to ensure correct component identification before integration into designs.

Audio Amplifiers Selection Notes

Select this component for applications requiring dual-channel Class AB amplification with built-in protection features. Ensure the thermal management design accommodates the TO-220-15 package requirements for adequate heat dissipation during operation.

Audio Amplifiers Part Context

National Semiconductor was an American semiconductor manufacturer acquired by Texas Instruments. The LM4753 series represents their line of high-power audio amplifiers designed for consumer audio applications, offering robust performance with integrated safety features.

Audio Amplifiers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with direct replacements through official datasheet cross-reference tools.