Texas Instruments

PCM1798DB

PCM1798DB Description

The PCM1798DB from Texas Instruments is a high-performance, 24-bit stereo digital-to-analog converter (DAC) designed for premium audio applications. It supports PCM data interface with a sampling rate of up to 200 kHz, ensuring high-fidelity audio reproduction. Operating on a dual-voltage supply (3V–3.6V analog, 5V digital), it integrates advanced delta-sigma modulation for superior signal-to-noise ratio (SNR) and low distortion. Packaged in a 28-pin SSOP tube, this ROHS3-compliant IC is ideal for surface-mount designs requiring high-resolution audio conversion with minimal power consumption.

PCM1798DB Features

• 24-bit resolution for ultra-high audio clarity and dynamic range.
• Dual-supply operation (3V–3.6V analog, 5V digital) for optimized performance.
• 200 kHz sampling rate ensures compatibility with high-end audio formats.
• 2-channel (stereo) output for balanced audio systems.
• PCM data interface for seamless integration with digital audio sources.
• Low noise and distortion via advanced delta-sigma architecture.
• Surface-mount (SSOP-28) package for compact PCB designs.
• RoHS3 and REACH compliant, meeting global environmental standards.

PCM1798DB Applications

The PCM1798DB excels in high-end audio systems, including:

• Professional audio equipment (DACs, mixers, studio monitors).
• Home theater systems and audiophile-grade digital audio players.
• Automotive infotainment systems requiring low-noise performance.
• Broadcast and recording gear where precision audio conversion is critical.
• Medical audio devices demanding high-resolution signal integrity.

Conclusion of PCM1798DB

The PCM1798DB stands out as a high-precision, low-noise DAC for demanding audio applications. Its 24-bit resolution, dual-voltage operation, and robust PCM interface make it a top choice for engineers designing premium audio systems. With Texas Instruments' reliability and compliance with RoHS3/REACH, this IC ensures both performance and sustainability. Whether for professional, automotive, or consumer audio, the PCM1798DB delivers exceptional fidelity and versatility.