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PCM2904DB from TI,Texas Instruments

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PCM2904DB

Manufacturer: TI, TI/BB

STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF

Partnumber Manufacturer Quantity Availability
PCM2904DB TI, TI/BB 163 In Stock

Description and Introduction

STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF The **PCM2904DB** is a highly integrated USB audio codec designed for high-quality digital audio applications. This versatile component combines a USB 2.0 full-speed controller, a stereo digital-to-analog converter (DAC), and an analog-to-digital converter (ADC) in a single package, making it an efficient solution for USB audio interfaces.  

Featuring 16-bit resolution and a sampling rate of up to 48 kHz, the PCM2904DB delivers clear and accurate audio reproduction. Its built-in USB interface ensures plug-and-play compatibility with major operating systems, eliminating the need for additional drivers. The device also includes an integrated headphone amplifier, simplifying circuit design for audio output stages.  

Engineers favor the PCM2904DB for its low power consumption and compact form factor, making it ideal for portable audio devices, USB microphones, and multimedia peripherals. The chip supports both analog and digital volume control, providing flexibility in system design. Additionally, its robust signal processing capabilities minimize distortion and noise, ensuring high-fidelity audio performance.  

With its ease of integration and reliable operation, the PCM2904DB remains a popular choice for designers seeking a cost-effective USB audio solution without compromising quality. Its balanced feature set makes it suitable for a wide range of consumer and professional audio applications.

Application Scenarios & Design Considerations

STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF

Alternative Part Number

  • PCM2902E --: Same PCM290x USB audio codec family with similar stereo ADC/DAC and USB interface, available in a different package, making it a close functional substitute.
  • PCM2912A --: TI USB audio codec with integrated headphone amplifier and comparable USB audio functionality, suitable when the design can accommodate its pinout and package differences.
  • CM108AH --: Third-party USB audio codec offering similar stereo ADC/DAC and USB audio class functionality, usable as a cross-vendor alternative with layout and driver review.
  • PCM2902E --: Same PCM290x USB audio codec family with similar stereo ADC/DAC and USB interface, in a different package, suitable for lower-channel-count designs.
  • PCM2906C --: Updated member of the PCM290x USB codec family with integrated USB and audio functions, offering comparable functionality for USB audio applications.
  • PCM2912A --: TI USB audio codec with built-in headphone amplifier and similar USB-to-analog audio conversion, usable as a functional substitute where extra output drive is acceptable.

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