SRC4184IPAG High-Resolution Audio Converter Overview
The SRC4184IPAG from Texas Instruments is a premium 4-channel audio converter with integrated sample rate conversion, engineered to synchronize diverse audio sources in professional and high-end consumer systems. This device excels at aligning digital audio streams with varying clock sources, a critical function for maintaining clarity in setups like broadcast studios, recording facilities, and premium home theaters. IC Manufacturer delivers this advanced solution as part of its portfolio of professional audio semiconductors, trusted for precision in mission-critical applications.
Technical Parameters of SRC4184IPAG
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 4 | channels |
| Dynamic Range | 128 | dB |
| Sample Rate Range | 8 to 192 | kHz |
| Total Harmonic Distortion + Noise (THD+N) | -110 | dB |
| Package Type | 48-TQFP (Thin Quad Flat Package) | |
Operating Characteristics
| Characteristic | Specification |
|---|---|
| Operating Temperature Range | -40??C to +85??C |
| Supply Voltage | 3.3V ??5% |
| Typical Power Consumption | 500mW |
| Latency (at 48kHz) | <2ms |
| Supported Interfaces | I2C control, I2S, TDM, left/right-justified |
Advantages Over Alternative Audio Converters
The SRC4184IPAG outperforms conventional audio converters in critical areas. Its 4-channel design eliminates the need for multiple 2-channel devices in mid-sized systems, reducing component count, PCB space, and power usage??while ensuring tighter synchronization across channels, a common pain point in setups with mixers, recorders, and effect processors.
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Compared to converters with lower dynamic range, its 128dB performance ensures superior clarity, capturing both subtle ambient sounds (e.g., studio room tone) and loud transients (e.g., drum hits) without distortion. This consistency is critical for immersive audio formats like 5.1 surround sound, where channel-to-channel variation breaks the illusion of spatial audio.
Unlike many alternatives limited to 96kHz, its 8kHz to 192kHz sample rate range supports both consumer (48kHz) and professional (192kHz) standards, making it versatile for applications from home theater to mastering studios. The <2ms latency also outperforms competitors, ensuring lip-sync accuracy in video-audio systems??essential for live events and television production, where even a 10ms delay is noticeable.
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The 48-TQFP package provides better thermal efficiency than smaller, denser packages, ensuring stable operation in rack-mounted equipment with limited airflow. This reliability, combined with its high channel count, makes it a cost-effective solution for systems that would otherwise require multiple devices.
Typical Applications of SRC4184IPAG
The SRC4184IPAG excels in mid-sized to large audio systems requiring precise synchronization. Key use cases include:
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- Broadcast audio routers and video production switchers
- Professional recording studio interfaces and mixers
- Premium home theater processors (5.1 and 7.1 surround)
- Automotive premium sound systems with multi-zone audio
- Live event sound reinforcement systems
Texas Instruments?? Expertise in Audio Synchronization
As a Texas Instruments product, the SRC4184IPAG leverages decades of leadership in audio semiconductor design. TI is trusted by leading manufacturers in broadcast and professional audio for producing ICs that solve complex timing challenges, with rigorous testing ensuring consistency across temperature ranges and operating conditions. This commitment has made TI a staple in mission-critical systems??endorsed by audio engineers at major studios and broadcasters for its reliability in high-pressure environments.
Frequently Asked Questions (FAQ)
How does the SRC4184IPAG synchronize multiple audio sources?
Its integrated sample rate converters align each of the 4 channels to a common clock, eliminating timing mismatches that cause phase issues or echo. This is vital in setups with diverse inputs like microphones, instruments, and preamps, ensuring all signals blend seamlessly into a cohesive audio experience.
Why is 128dB dynamic range important for professional audio?
Dynamic range measures the ability to capture both quiet and loud sounds. 128dB ensures subtle details (e.g., whispered dialogue, reverb tails) and loud transients (e.g., orchestral swells) are preserved across all 4 channels, maintaining consistent quality without distortion??critical for professional-grade recording and broadcast.
What benefits does the 48-TQFP package offer for system design?
The 48-TQFP package balances pin count and thermal performance, allowing efficient heat dissipation in enclosed equipment like rack-mounted mixers. Its size simplifies PCB routing compared to larger packages, reducing design complexity while accommodating the 4-channel functionality needed for mid-sized systems.
Can the SRC4184IPAG integrate with legacy audio equipment?
Yes, it supports industry-standard interfaces (I2S, TDM) and I2C control, ensuring compatibility with both modern and older gear. This flexibility simplifies upgrades to existing systems, allowing gradual migration without replacing all components at once??reducing costs and downtime for studios and broadcasters.
How does low latency (<2ms) improve video-audio systems?
Low latency ensures audio stays in sync with video, preventing lip-sync errors in broadcasts, live events, and home theater. In professional settings, even a 5ms delay can disrupt viewer engagement, making the SRC4184IPAG??s <2ms performance a critical advantage over higher-latency alternatives.