The LM4756TA is a stereo high-performance integrated audio amplifier capable of delivering 20W per channel into an 8Ω load with low distortion. Manufactured by Texas Instruments (formerly National Semiconductor), it's designed for high-fidelity audio applications requiring clean and powerful amplification in a compact package.

Applications

• Stereo audio amplifiers
• Home theater systems
• Powered speakers
• Televisions
• PC audio
• Mini/Micro audio systems
• AV Receivers

Features

• 20W per channel output power into 8Ω
• Low distortion (THD+N typically 0.06% at 1 kHz)
• Mute function
• Standby function
• Short-circuit protection
• Thermal overload protection
• Overvoltage protection
• Integrated power op amps

Benefits

• High-Quality Audio: Delivers clean and powerful stereo audio with low distortion for an enhanced listening experience.
• Compact Design: Integrated solution reduces the number of external components, saving board space.
• Protection Features: Short-circuit, thermal overload, and overvoltage protection ensure robust and reliable operation.
• Power Saving Modes: Mute and standby functions help reduce power consumption when the amplifier is not in use.
• Ease of Use: Simplified design reduces time to market.

The LM4756TA requires an external heatsink to dissipate heat generated during operation. The size of the heatsink depends on the operating conditions and the expected power dissipation. Proper heatsinking is crucial for preventing thermal shutdown and ensuring reliable performance. It comes in a TO-220 package.

This audio amplifier is a suitable choice for applications requiring a compact and high-performance stereo amplifier solution with comprehensive protection features.