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PCM2902EG4 from TI/BB,Texas Instruments

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PCM2902EG4

Manufacturer: TI/BB

Stereo USB1.1 CODEC with line-out and S/PDIF I/O, Bus-powered (HID Interface) 28-SSOP 0 to 70

Partnumber Manufacturer Quantity Availability
PCM2902EG4 TI/BB 50 In Stock

Description and Introduction

Stereo USB1.1 CODEC with line-out and S/PDIF I/O, Bus-powered (HID Interface) 28-SSOP 0 to 70 The **PCM2902EG4** is a highly integrated USB audio codec designed for digital-to-analog (DAC) and analog-to-digital (ADC) conversion. Manufactured by Texas Instruments, this component combines a USB interface with stereo audio processing, making it ideal for applications such as USB headsets, digital microphones, and portable audio devices.  

Featuring a built-in USB 2.0 full-speed controller, the PCM2902EG4 supports plug-and-play functionality without requiring external drivers on most operating systems. It includes a 16-bit stereo DAC with a signal-to-noise ratio (SNR) of up to 90 dB and a 16-bit stereo ADC with an SNR of 85 dB, ensuring high-quality audio performance.  

The device operates on a single 3.3V power supply and integrates a headphone amplifier, volume control, and mute functions, simplifying system design. Its compact form factor and minimal external component requirements make it suitable for space-constrained applications.  

Engineers favor the PCM2902EG4 for its ease of implementation, low power consumption, and reliable performance. Whether used in consumer electronics or professional audio equipment, this component delivers a seamless USB audio solution with robust functionality.

Application Scenarios & Design Considerations

Stereo USB1.1 CODEC with line-out and S/PDIF I/O, Bus-powered (HID Interface) 28-SSOP 0 to 70

Alternative Part Number

  • PCM2902E --: Same PCM2902 stereo USB codec family in the same 28-pin SSOP package, functionally equivalent to the EG4 variant with only minor ordering/package differences.
  • PCM2900C --: Closely related TI USB audio codec with similar USB-to-analog/digital conversion features, suitable as a functional substitute when minor feature differences are acceptable.
  • PCM2906C --: Another TI PCM290x-series USB audio codec offering comparable USB audio functionality, usable as an alternative with pin/feature verification.

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