PCM2702E

ADCs/DACs - Special Purpose Overview

The PCM2702E is a stereo audio digital-to-analog converter (DAC) manufactured by Texas Instruments. It features an integrated USB interface compliant with USB 2.0 Full Speed specifications, enabling self-powered operation from the USB bus. The device provides 16-bit resolution and supports sampling rates up to 48 kHz. Key electrical parameters include a signal-to-noise ratio (SNR) of 105 dB and a supply voltage range of 4.5 V to 5.5 V. It is housed in a 28-pin SSOP package and operates within a temperature range of 0°C to +85°C.

ADCs/DACs - Special Purpose Feature Summary

• Integrated USB 2.0 Full Speed interface for direct connection to host computers
• Self-powered operation utilizing USB bus power
• High-performance 16-bit stereo DAC with 105 dB SNR
• Supports 48 kHz sampling rate

ADCs/DACs - Special Purpose Applications

• USB-connected audio playback systems
• Desktop computer sound cards
• Portable audio devices requiring USB connectivity

ADCs/DACs - Special Purpose Part Context

The PCM2702E belongs to the PCM2702 series of audio DACs. It is distinct from variants like the PCM2702C which may support different voltage ranges or interfaces. The 'E' suffix typically denotes the standard commercial temperature grade and packaging variant within the family. This component serves as a dedicated DAC solution rather than a full codec, lacking built-in ADC functionality found in models like the PCM2902.

ADCs/DACs - Special Purpose Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Designers should verify compatibility with alternative components such as other PCM27xx series devices or newer generations from Texas Instruments based on specific interface and performance requirements.