The PCM2900CDB is a single-chip, USB stereo audio codec with USB-compliant full-speed protocol controller and S/PDIF from Texas Instruments. This versatile device is designed to offer a high-quality, cost-effective solution for USB audio systems, making it an ideal choice for a wide range of applications in consumer electronics, such as USB headphones, USB speakers, USB turntables, and audio interface boxes for musical instruments.
Key Features
- USB Interface: Compliant with USB 1.1 specifications, the PCM2900CDB operates at full speed (12 Mbps) and is capable of being powered directly from the USB bus, eliminating the need for external power supply.
- Audio Quality: It features high-quality, 16-bit stereo digital-to-analog converters (DACs) and analog-to-digital converters (ADCs) which provide excellent audio performance with up to 48 kHz sampling rate.
- S/PDIF Output: The device includes an S/PDIF output that allows digital audio output to an external DAC or home theater receiver for maximum sound quality.
- Plug-and-Play: With the PCM2900CDB's plug-and-play functionality, it is easy to install, requiring no additional drivers for basic operation on most operating systems.
- Flexible Functionality: The codec's functionality is enhanced with additional features like mute, volume control, and playback status indicators via the USB interface.
Applications
The PCM2900CDB is suitable for a variety of applications, including:
- USB Audio Stations
- USB Headphones
- Audio Interface for Musical Instruments
- USB Speakers
- Portable Audio Devices
- USB Audio Docking Stations
Technical Specifications
The PCM2900CDB operates on a 5V USB power supply and features a -84 dB signal-to-noise ratio (SNR) for ADC and 98 dB SNR for DAC, ensuring high-quality audio capture and playback. The device is housed in a compact 28-pin SSOP package, making it a space-efficient choice for integrated USB audio systems.
As a product of Texas Instruments, a leader in semiconductor solutions, the PCM2900CDB stands out for its reliability and performance, backed by the company's commitment to innovation and quality.
