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PCM2902E from BB

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PCM2902E

Manufacturer: BB, TI/BB

Stereo Audio Codec with USB Interface, Single-ended Input/Output and SPDI/F

Partnumber Manufacturer Quantity Availability
PCM2902E BB, TI/BB 65 In Stock

Description and Introduction

Stereo Audio Codec with USB Interface, Single-ended Input/Output and SPDI/F **Introduction to the PCM2902E USB Audio CODEC**  

The PCM2902E is a highly integrated USB audio CODEC designed for high-quality digital-to-analog (D/A) and analog-to-digital (A/D) conversion. This versatile component combines a USB interface with stereo audio processing, making it an ideal solution for applications such as USB headsets, digital microphones, and portable audio devices.  

Featuring a built-in USB 1.1-compliant controller, the PCM2902E supports plug-and-play functionality, eliminating the need for external drivers on most operating systems. Its integrated 16-bit stereo DAC and ADC deliver clear audio reproduction with a sampling rate of up to 48 kHz. Additionally, the device includes a headphone amplifier, volume control, and mute functions, simplifying system design while maintaining performance.  

The PCM2902E operates on a single 3.3V supply, ensuring low power consumption suitable for battery-powered applications. Its compact form factor and minimal external component requirements make it a cost-effective choice for embedded audio solutions.  

Engineers appreciate the PCM2902E for its ease of integration, reliable performance, and compliance with USB audio standards. Whether used in consumer electronics or professional audio equipment, this CODEC provides a seamless bridge between analog audio signals and digital USB connectivity.

Application Scenarios & Design Considerations

Stereo Audio Codec with USB Interface, Single-ended Input/Output and SPDI/F

Alternative Part Number

  • PCM2902EG4 --: Same PCM2902 stereo USB codec die in the same 28-pin SSOP package, supplied by TI (which absorbed Burr-Brown); the G4 suffix denotes Pb-free/RoHS construction, making it a direct drop-in replacement.
  • PCM2900C --: Pin-compatible member of the same PCM290x USB codec family with the same SSOP footprint and USB audio function; it lacks the S/PDIF interface of the PCM2902, so verify that feature is not required.
  • PCM2906C --: Same-family USB stereo codec in a compatible package with similar analog performance and USB audio architecture; check the exact pinout and feature set against the PCM2902 before substituting.
  • CM108AH --: USB audio codec with built-in ADC/DAC and S/PDIF, functionally similar to the PCM2902 and widely used as a drop-in USB audio solution.
  • SA9023A --: USB audio interface IC supporting 24-bit audio with I2S output, suitable replacement for USB-to-audio conversion applications.
  • PCM2900C --: Same TI PCM290x family USB audio codec with similar feature set and pin compatibility, though from a different series suffix.

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