PCM1704U – 24-Bit Stereo Audio DAC – Texas Instruments SoundPlus™ Series

Elevate your audio systems with the PCM1704U, a premium 24-bit stereo Digital-to-Analog Converter (DAC) from Texas Instruments’ renowned SoundPlus™ series. Designed for critical listening environments, this high-resolution IC delivers exceptional audio fidelity and dynamic range, making it ideal for professional and high-end audio applications. PCX ensures genuine Texas Instruments components with reliable stock and fast shipping.

Key Features

• 24-Bit Resolution: Ultra-precise audio signal conversion for studio-grade sound quality.
• Dual-Channel Stereo Output: Supports balanced audio systems with independent left/right processing.
• 96kHz Sampling Rate: Captures high-frequency audio details without compromise.
• ±5V Dual Supply Voltage: Optimized for robust analog output stages.
• Serial Data Interface: Simplified integration with digital audio sources.
• Surface-Mount Design: 20-SOIC package for compact PCB layouts.

Technical Details

This specialized audio DAC features a multi-bit Delta-Sigma architecture, minimizing distortion while maximizing signal integrity. Operating within a -25°C to 85°C temperature range, it maintains stable performance in demanding environments. The serial interface supports industry-standard audio data protocols, ensuring compatibility with DSPs and digital receivers. Note: This part is marked obsolete but remains available through PCX for legacy designs.

Typical Applications

• High-end CD/DVD players & Blu-ray systems
• Professional mixing consoles & mastering equipment
• Audiophile-grade digital amplifiers
• Broadcast studio converters
• Luxury automotive sound systems

About Texas Instruments

Texas Instruments (TI) is a global semiconductor leader with over 90 years of innovation history. Their SoundPlus™ audio series represents the pinnacle of analog engineering, trusted by top-tier audio manufacturers for uncompromising performance in critical listening applications.

TI’s rigorous quality control and extensive technical resources make their components industry benchmarks. PCX partners directly with Texas Instruments to provide authentic, traceable parts with full datasheet support and lifecycle management for legacy designs.

About Audio DACs

Digital-to-Analog Converters (DACs) transform binary digital signals into analog audio waveforms, serving as the critical bridge between digital sources and analog amplification stages. Audio-specific DACs prioritize low noise, high dynamic range, and minimal distortion to preserve sonic integrity.

High-resolution DACs like the PCM1704U enable audio systems to reproduce studio-mastered content with lifelike detail. They are essential in applications demanding transparency, from home theater systems to medical diagnostic audio equipment where signal accuracy is paramount.

Packaging

Available in protective Tube packaging for secure handling during assembly. Contact PCX for reel packaging alternatives or volume customization.

FAQs

Question: Is the PCM1704U suitable for replacing older 20-bit DACs?
Answer: Yes, its 24-bit resolution provides significant dynamic range improvement over 20-bit designs, though circuit revalidation is recommended.

Question: What makes multi-bit DACs preferable for audiophile applications?
Answer: Multi-bit architectures (like this TI design) typically offer superior linearity and transient response compared to single-bit alternatives.

Question: Does PCX provide design support for obsolete components?
Answer: Absolutely – our engineers offer schematic review and lifecycle management guidance for legacy systems.

Question: Can this DAC operate on a single power supply?
Answer: No, it requires dual ±5V supplies as specified. Use dedicated regulators for optimal noise performance.

Question: How does temperature range affect audio performance?
Answer: Within its rated -25°C to 85°C, THD+N remains below 0.002%; extreme temperatures may increase distortion.

Question: Is the datasheet available for design verification?
Answer: Yes – download the full PCM1704U datasheet from our product page.

⚠️ Note: Product images are representational only. Specifications subject to manufacturer documentation.

Ready to Integrate Premium Audio Performance?

Leverage PCX’s expertise in high-fidelity components! Order genuine PCM1704U DACs today for same-day shipping and dedicated technical support. Limited legacy stock available – secure yours now!