The PCM2705EVM-U is a high-quality, USB digital-to-analog converter (DAC) evaluation module presented by Texas Instruments. This evaluation module is designed to demonstrate the capabilities of the PCM2705 integrated circuit, a single-chip digital audio interface receiver with USB 2.0 full-speed compatibility.

Key Features

• USB Interface: The PCM2705EVM-U connects to a computer via USB and does not require any additional power supply, making it highly convenient for quick setup and mobile applications.
• Plug-and-Play: This device supports plug-and-play operation, with no need for driver installation on most modern operating systems, ensuring seamless integration.
• High-Quality Audio: It features a high-performance DAC with 16-bit resolution, providing excellent audio quality for a variety of applications.
• Onboard Headphone Amplifier: The module includes an integrated headphone amplifier, facilitating direct listening from the device without the need for external amplification.
• Flexible Output Options: The PCM2705EVM-U offers both analog and digital audio output capabilities, allowing users to connect to a wide range of audio equipment.
• Onboard Volume Control: Users can easily adjust the volume using the onboard controls, enhancing the user experience.
• LED Indicators: The presence of LED indicators provides visual feedback for power and data stream status.

Applications

The PCM2705EVM-U is ideal for evaluating the PCM2705 DAC for use in various applications, including:

• USB headphones or speakers
• Portable audio devices
• USB audio streaming for computers and multimedia systems

Technical Specifications

The evaluation module boasts a comprehensive set of technical specifications that ensure top-notch performance:

• Sampling Rate: 32, 44.1, and 48 kHz
• THD+N: 0.006% typical
• SNR: 98 dB typical
• Output Power: 12 mW (32Ω Load)
• USB Bus-Powered Operation

With the PCM2705EVM-U, developers and audio enthusiasts can explore the full potential of Texas Instruments' PCM2705 DAC, ensuring a high-quality audio experience for end-users.