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PCM2704 from BB

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PCM2704

Manufacturer: BB, TI

Stereo Audio DAC with USB interface, Headphone Output and S/PDIF Output

Partnumber Manufacturer Quantity Availability
PCM2704 BB, TI 247 In Stock

Description and Introduction

Stereo Audio DAC with USB interface, Headphone Output and S/PDIF Output The **PCM2704** is a highly integrated **USB digital-to-analog converter (DAC)** and **audio controller** developed by Texas Instruments. Designed for high-quality audio applications, this component enables seamless conversion of digital audio signals from a USB interface into analog outputs, making it ideal for USB-powered audio devices such as headphones, speakers, and sound cards.  

Featuring a built-in **USB 1.1-compliant full-speed interface**, the PCM2704 eliminates the need for external drivers on most operating systems, ensuring plug-and-play compatibility. It supports **16-bit stereo audio** with sampling rates up to **48 kHz**, delivering clear and accurate sound reproduction. Additionally, the chip integrates a **digital S/PDIF output**, allowing for further digital signal processing if required.  

The PCM2704 operates on a **single 3.3V supply**, making it energy-efficient and suitable for portable applications. Its compact design and minimal external component requirements simplify circuit implementation, reducing both cost and board space.  

With its reliable performance, ease of integration, and high-fidelity audio output, the PCM2704 remains a popular choice among designers seeking a cost-effective USB audio solution. Whether used in consumer electronics or professional audio equipment, this versatile IC delivers consistent, high-quality sound with minimal design complexity.

Application Scenarios & Design Considerations

Stereo Audio DAC with USB interface, Headphone Output and S/PDIF Output

Alternative Part Number

  • SA9023 --: USB audio DAC/interface chip with similar USB-to-I2S/S-PDIF function, commonly used as a PCM2704 substitute in USB audio designs.
  • CM108AH --: USB audio codec with built-in DAC and S/PDIF output, functionally comparable to PCM2704 for USB audio applications.
  • PCM2706 --: Same TI/BB USB DAC family with comparable USB audio interface features, offering a close functional match with different part number.

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