Texas Instruments

PCM1791ADBR  

ADCs/DACs - Special Purpose ICs

PCM1791ADBR Description

The PCM1791ADBR is a high-performance, 24-bit stereo digital-to-analog converter (DAC) designed for professional audio applications. Manufactured by Texas Instruments, this device is part of the ADCs/DACs - Special Purpose ICs category and offers a range of advanced features and benefits. With a sampling rate of 200 kHz and a resolution of 24 bits, the PCM1791ADBR delivers exceptional audio quality and performance.

PCM1791ADBR Features

• Data Interface: The PCM1791ADBR supports both DSD (Direct Stream Digital) and PCM (Pulse Code Modulation) data interfaces, making it compatible with a wide range of audio sources.
• Voltage Supply Source: This device can be powered by both analog and digital voltage sources, with a supply voltage range of 3V to 3.6V and 5V.
• Mounting Type: The PCM1791ADBR is designed for surface mount applications, ensuring a compact and reliable integration into various electronic systems.
• Number of Channels: This DAC features two channels, providing stereo audio output.
• Resolution (Bits): With a 24-bit resolution, the PCM1791ADBR offers high dynamic range and excellent signal-to-noise ratio, resulting in superior audio quality.
• Sampling Rate (Per Second): The device supports a sampling rate of up to 200 kHz, ensuring accurate reproduction of high-frequency audio signals.
• Package: The PCM1791ADBR is available in a 28-pin SSOP (Shrink Small Outline Package) package, suitable for space-constrained applications.
• RoHS Status: This product is compliant with the RoHS3 directive, making it suitable for use in environmentally friendly electronics.
• REACH Status: The PCM1791ADBR is REACH unaffected, indicating that it does not contain any substances of very high concern (SVHCs) as per the European Union's REACH regulation.

PCM1791ADBR Applications

The PCM1791ADBR is ideal for a variety of professional audio applications, including:

1. High-Fidelity Audio Systems: Due to its high resolution and sampling rate, the PCM1791ADBR is perfect for use in high-fidelity audio systems, such as home theater systems and high-end audio equipment.
2. Professional Audio Equipment: This DAC is well-suited for professional audio equipment, such as mixing consoles, digital audio workstations (DAWs), and audio interfaces.
3. Audio Processing and Signal Conditioning: The PCM1791ADBR can be used in audio processing applications, where high-quality audio conversion is critical, such as in audio effects processing and signal conditioning.
4. Automotive Audio Systems: This device can be integrated into automotive audio systems to provide high-quality audio playback and processing capabilities.

Conclusion of PCM1791ADBR

The PCM1791ADBR is a versatile and high-performance digital-to-analog converter that offers exceptional audio quality and a range of advanced features. Its compatibility with both DSD and PCM data interfaces, along with its 24-bit resolution and 200 kHz sampling rate, make it an ideal choice for professional audio applications. With its RoHS3 compliance and REACH unaffected status, the PCM1791ADBR is also suitable for environmentally conscious electronics design. Overall, the PCM1791ADBR is a reliable and high-quality solution for demanding audio conversion tasks.

PCM1791ADBR Documents

Download datasheets and manufacturer documentation for PCM1791ADBR

Datasheets :

PCM1791A      

PCN Packaging :

Marking Change 24/Mar/2021       Carrier Tape Revision C 09/Apr/2015      

HTML Datasheet :

PCM1791A      

PCN Design/Specification :

Marking Change 07/Oct/2021       Lead Frame Base Update 02/Apr/2015