The LM4673SDBD is a state-of-the-art audio amplifier integrated circuit brought to you by Texas Instruments, a leader in semiconductor design and manufacturing. This particular IC is designed for high-quality sound reproduction in a variety of consumer electronics applications including mobile phones, portable media players, and other devices where space is at a premium and power efficiency is crucial.

Key Features

• Output Power: The LM4673SDBD delivers 2.5W into a 4Ω load with less than 1% THD+N, ensuring powerful sound output without compromising audio fidelity.
• Efficiency: With its high efficiency Class D operation, this IC conserves power and extends battery life in portable applications.
• Space-Saving Design: The compact footprint of the LM4673SDBD makes it an ideal choice for space-constrained applications.
• Advanced Modulation Scheme: The device employs a sophisticated modulation technique that reduces electromagnetic interference (EMI), allowing it to be used in close proximity to RF and wireless components without causing disruptions.
• Integrated Protection: The LM4673SDBD includes features such as over-temperature protection, under-voltage lockout, and short-circuit protection, enhancing the reliability and longevity of the end product.

Applications

The versatility of the LM4673SDBD makes it suitable for a broad range of applications. It is particularly well-suited for:

• Portable audio devices
• Mobile phones and smartphones
• Tablet devices
• Bluetooth speakers
• Personal digital assistants (PDAs)

Technical Specifications

The LM4673SDBD operates over a supply voltage range of 2.4V to 5.5V, making it compatible with most standard battery technologies used in portable devices. Its low quiescent current consumption contributes to the overall energy efficiency of the system. Additionally, the IC is available in a micro SMD package, which is highly beneficial for designs where board space is a critical consideration.

For detailed technical specifications, application notes, and support resources, customers are encouraged to visit the Texas Instruments website or contact their local sales office.