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PCM2903E from TI/BB,Texas Instruments

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PCM2903E

Manufacturer: TI/BB, TI

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

Partnumber Manufacturer Quantity Availability
PCM2903E TI/BB, TI 19 In Stock

Description and Introduction

Stereo Audio Codec with USB Interface, Single-ended Input/Output and SPDI/F The **PCM2903E** is a highly integrated USB audio codec designed for high-quality digital audio applications. Developed by Texas Instruments, this component combines a USB 2.0 full-speed controller with a stereo digital-to-analog converter (DAC) and analog-to-digital converter (ADC), making it an efficient solution for USB audio interfaces.  

Featuring a built-in headphone amplifier and microphone input, the PCM2903E simplifies the design of USB-powered audio devices such as headsets, microphones, and portable audio interfaces. Its plug-and-play functionality ensures seamless compatibility with major operating systems without requiring additional drivers.  

The PCM2903E supports 16-bit resolution with sampling rates up to 48 kHz, delivering clear and accurate sound reproduction. It also includes an integrated volume control and mute function, enhancing user convenience. With low power consumption and robust EMI performance, this IC is well-suited for consumer electronics and professional audio equipment.  

Engineers appreciate the PCM2903E for its compact form factor and minimal external component requirements, reducing both design complexity and production costs. Whether used in USB sound cards, voice recorders, or multimedia peripherals, this versatile audio codec provides reliable performance and high-fidelity audio processing.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • CM6533 --: USB audio codec with integrated DAC/ADC and S/PDIF, functionally similar to the PCM2903 and widely used as a drop-in USB audio solution.
  • SA9023 --: USB audio bridge/codec supporting 24-bit audio with S/PDIF output, suitable replacement for USB-to-audio conversion applications.
  • PCM2902 --: Same PCM290x family codec with USB audio and S/PDIF support; closest electrical match though from a related series, useful when minor feature differences are acceptable.
  • CM108AH --: USB audio codec with built-in ADC/DAC and S/PDIF support, functionally similar to the PCM2903 and widely used as a drop-in USB audio solution.
  • SA9023A --: USB audio interface IC supporting 24-bit/96kHz playback with integrated DAC, suitable replacement for USB audio codec applications.
  • PCM2902E --: Same PCM290x family USB codec with nearly identical pinout and feature set, differing mainly in S/PDIF capability, making it an easy functional substitute.

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