The PCM2705CDBR is a high-quality, integrated USB audio DAC (Digital-to-Analog Converter) solution from Texas Instruments designed for a wide array of consumer electronics applications. This compact and versatile IC is ideal for creating superior audio experiences in devices such as USB headphones, audio interface boxes, speakers, and other USB audio playback systems.

Key Features

• USB Interface: Fully compliant with USB 1.1 specification, the PCM2705CDBR does not require any additional drivers, allowing for easy integration into existing systems.
• On-Chip Clock: With its integrated PLL and on-chip voltage regulator, this DAC provides a low-jitter clock, crucial for maintaining audio fidelity.
• Audio Quality: It supports 16-bit resolution and a sampling rate of 32 kHz, 44.1 kHz, and 48 kHz, providing CD-quality audio for most applications.
• Output: The device includes a stereo audio DAC, analog outputs, and an S/PDIF output, offering flexibility in connecting to various audio equipment.
• Customization: It features customizable USB descriptors and the option to use external EEPROM for storing device-specific information.
• Power Management: The PCM2705CDBR can be powered directly from the USB bus, eliminating the need for an external power supply and simplifying the overall design.

Applications

With its plug-and-play functionality and high-quality audio output, the PCM2705CDBR is well-suited for a variety of applications, including:

• USB Headphones and Headsets
• Portable Audio Devices
• Audio Interface Boxes
• Computer Audio Systems
• Multimedia Speakers

Package and Availability

The PCM2705CDBR comes in a compact SSOP-28 (DB) package, making it suitable for space-constrained applications. As a product of Texas Instruments, a leader in semiconductor solutions, the PCM2705CDBR is backed by a robust support network and is readily available through various distributors and online vendors.