Texas Instruments

PCM1691DCAR

PCM1691DCAR Description

The PCM1691DCAR is a high-performance digital-to-analog converter (DAC) designed for audio applications, manufactured by Texas Instruments. This 24-bit DAC offers a sampling rate of up to 192 kHz, providing exceptional audio quality and precision. The PCM1691DCAR is housed in a 48-pin HTSSOP package, making it suitable for surface mount applications. It supports multiple data interfaces, including DSP and I2S, ensuring compatibility with a wide range of digital audio systems.

The PCM1691DCAR operates with both analog and digital voltage supply sources, requiring a supply voltage range of 3V to 3.6V for analog and 5V for digital. This flexibility in voltage supply enhances its adaptability in various electronic designs. The device is classified under ECCN EAR99 and HTSUS 8542.39.0001, indicating its compliance with international trade regulations. Additionally, it is REACH unaffected and ROHS3 compliant, ensuring environmental safety and regulatory adherence.

PCM1691DCAR Features

• High Resolution and Sampling Rate: The PCM1691DCAR features a 24-bit resolution and a sampling rate of up to 192 kHz, delivering high-fidelity audio output.
• Multiple Data Interfaces: Supports DSP and I2S interfaces, providing flexibility in connecting to various digital audio processors and systems.
• Dual Voltage Supply: Capable of operating with both analog (3V to 3.6V) and digital (5V) voltage supplies, enhancing its versatility in different applications.
• Surface Mount Packaging: The 48-pin HTSSOP package is ideal for surface mount technology, facilitating compact and efficient PCB designs.
• Regulatory Compliance: Classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international trade regulations. It is also REACH unaffected and ROHS3 compliant, meeting environmental and safety standards.
• Moisture Sensitivity Level: MSL 3 (168 hours), ensuring reliability in manufacturing processes involving reflow soldering.

PCM1691DCAR Applications

The PCM1691DCAR is well-suited for a variety of audio applications where high-quality digital-to-analog conversion is required. Its high resolution and sampling rate make it ideal for professional audio equipment, high-end consumer electronics, and automotive audio systems. Specific use cases include:

• Professional Audio Equipment: Studio monitors, mixing consoles, and digital audio workstations benefit from the PCM1691DCAR's high-fidelity audio output.
• Consumer Electronics: High-resolution audio players, home theater systems, and soundbars can leverage the PCM1691DCAR for superior audio performance.
• Automotive Audio Systems: In-car entertainment systems and premium audio setups can utilize the PCM1691DCAR to deliver high-quality audio to passengers.
• Industrial Applications: Audio processing units in industrial control systems and communication equipment can benefit from the PCM1691DCAR's robust performance and reliability.

Conclusion of PCM1691DCAR

The PCM1691DCAR from Texas Instruments is a versatile and high-performance DAC designed for demanding audio applications. Its 24-bit resolution and 192 kHz sampling rate ensure top-tier audio quality, making it suitable for professional and high-end consumer electronics. The support for multiple data interfaces and dual voltage supply enhances its flexibility and adaptability in various electronic designs. Compliance with international trade regulations and environmental standards further solidifies its position as a reliable choice for audio systems. While the PCM1691DCAR is now obsolete, its legacy continues to influence the design and development of modern audio DACs.