PCM1748KE/2K

The PCM1748KE/2K is a high-performance digital-to-analog converter (DAC) produced by Texas Instruments. It is designed for audio applications, providing high-quality sound reproduction with a focus on low distortion and high dynamic range.

Key Features:

1. Resolution: The PCM1748KE/2K offers a 24-bit resolution, allowing for precise audio signal conversion. This high resolution is essential for capturing the nuances of audio signals, making it suitable for professional audio equipment.

2. Sampling Rate: It supports a wide range of sampling rates, typically up to 192 kHz, which is ideal for high-fidelity audio applications. This capability ensures that the DAC can handle various audio formats and standards.

3. Dynamic Range: The device boasts an impressive dynamic range, often exceeding 100 dB. This characteristic is crucial for maintaining audio clarity and detail, especially in complex sound environments.

4. Total Harmonic Distortion (THD): The PCM1748KE/2K features low total harmonic distortion, typically around -100 dB or better. This low distortion level ensures that the output audio remains faithful to the original signal, minimizing unwanted artifacts.

5. Output Configuration: The DAC can be configured for single-ended or differential output, providing flexibility in design and integration into various audio systems. This feature allows for better noise performance and signal integrity.

6. Power Supply: The device operates on a dual power supply, typically requiring +5V and -5V, which is common in professional audio applications. This dual supply helps in achieving better performance and linearity.

7. Digital Interface: The PCM1748KE/2K supports various digital audio interfaces, including I2S and left-justified formats. This compatibility makes it easy to integrate into different digital audio systems.

8. Package Type: The device is available in a compact 28-pin TSSOP (Thin Shrink Small Outline Package), which is suitable for space-constrained applications while providing good thermal performance.

9. Applications: The PCM1748KE/2K is widely used in high-end audio equipment, including digital audio converters, professional audio mixing consoles, and high-fidelity home audio systems. Its performance characteristics make it a preferred choice for audiophiles and sound engineers.

Conclusion:

Overall, the PCM1748KE/2K from Texas Instruments is a robust and versatile DAC that excels in delivering high-quality audio performance. Its combination of high resolution, low distortion, and flexible output options makes it an excellent choice for a variety of audio applications, ensuring that users experience the best possible sound quality.