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LM4550VH

LM4550VH Description

The LM4550VH is a high-performance, consumer-grade audio codec designed for a wide range of multimedia applications. Manufactured by National Semiconductor, this device offers exceptional audio quality and versatility, making it ideal for various consumer electronics. The LM4550VH features a dynamic range of 90 dB for ADCs and 89 dB for DACs, ensuring high-fidelity audio processing. It supports a digital supply voltage range of 3V to 5.5V and an analog supply voltage range of 4.2V to 5.5V, providing flexibility in power requirements. The codec employs a serial data interface, simplifying integration into existing systems. With two ADCs and two DACs, the LM4550VH can handle multiple audio channels efficiently. Its sigma-delta architecture further enhances audio performance by reducing quantization noise. The device is packaged in a PQFP48 format, suitable for surface-mount applications, and is classified under ECCN EAR99 and HTSUS 8542.39.0001. The LM4550VH is REACH affected and has a moisture sensitivity level of 2A (4 weeks), ensuring reliability in various environmental conditions.

LM4550VH Features

• High Dynamic Range: The LM4550VH offers a dynamic range of 90 dB for ADCs and 89 dB for DACs, ensuring high-fidelity audio processing.
• Flexible Power Supply: Supports a digital supply voltage range of 3V to 5.5V and an analog supply voltage range of 4.2V to 5.5V, providing flexibility in power requirements.
• Efficient Data Interface: Utilizes a serial data interface, simplifying integration into existing systems.
• Dual ADCs and DACs: Equipped with two ADCs and two DACs, enabling efficient handling of multiple audio channels.
• Sigma-Delta Architecture: Reduces quantization noise, enhancing overall audio performance.
• Surface-Mount Packaging: Available in a PQFP48 format, suitable for surface-mount applications.
• Compliance and Reliability: Classified under ECCN EAR99 and HTSUS 8542.39.0001, and has a moisture sensitivity level of 2A (4 weeks).

LM4550VH Applications

The LM4550VH is ideal for a variety of consumer electronics applications where high-quality audio processing is essential. Its high dynamic range and dual ADC/DAC configuration make it suitable for:

• Home Theater Systems: Enhances the audio experience by providing high-fidelity audio processing for multiple channels.
• Soundbars and Audio Amplifiers: Delivers superior audio quality, making it ideal for compact audio systems.
• Gaming Consoles: Provides immersive audio experiences with high-fidelity sound processing.
• Portable Media Players: Ensures high-quality audio playback in compact, battery-powered devices.
• Smartphones and Tablets: Enhances audio performance in mobile devices, providing a superior listening experience.

Conclusion of LM4550VH

The LM4550VH from National Semiconductor is a versatile and high-performance audio codec that stands out in the consumer electronics market. Its high dynamic range, flexible power supply options, and efficient data interface make it an ideal choice for a wide range of multimedia applications. The sigma-delta architecture further enhances its audio performance, ensuring high-fidelity sound processing. With its surface-mount packaging and compliance certifications, the LM4550VH offers reliability and ease of integration. Whether used in home theater systems, gaming consoles, or portable media players, the LM4550VH delivers exceptional audio quality, making it a preferred choice for designers and engineers in the electronics industry.