SRC4193IDB High-Resolution Audio Codec Overview
The SRC4193IDB from Texas Instruments is a premium audio codec with integrated sample rate conversion, engineered to synchronize diverse audio sources in professional and high-end consumer systems. This device combines ultra-low distortion with flexible sample rate support, making it a cornerstone of high-fidelity audio processing. Производитель ИС provides this advanced solution as part of its portfolio of precision audio semiconductors.
Technical Parameters of SRC4193IDB
| Параметр | Значение | Единица |
|---|---|---|
| Dynamic Range (DAC) | 132 | дБ |
| Суммарные гармонические искажения + шум (THD+N) | -112 | дБ |
| Sample Rate Range | 8 to 192 | kHz |
| Потребляемая мощность (типичная) | 350 | мВт |
| Тип упаковки | 28-VQFN (Very Thin Quad Flat No-Lead) | |
Operating Characteristics
| Характеристика | Технические характеристики |
|---|---|
| Диапазон рабочих температур | -40??C до +85??C |
| Напряжение питания | 3.3V ??5% |
| Channels | 2-channel (stereo) input/output |
| Интерфейсы | I2C control, I2S, TDM audio data |
| Clock Jitter | 40ps (typical) |
Advantages Over Alternative Audio Codecs
The SRC4193IDB outperforms conventional audio codecs in critical areas. Its 132dB dynamic range surpasses many competitors, ensuring it captures both the quietest nuances (e.g., studio reverb tails) and loudest transients (e.g., drum hits) without distortion??essential for master recording and high-end playback systems.
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Unlike basic codecs with limited sample rate flexibility, its 8kHz?C192kHz range supports everything from telephone-quality audio to 192kHz/24-bit high-resolution formats. This eliminates the need for multiple components in systems handling diverse sources, reducing design complexity and cost.
The integrated sample rate converter (SRC) is a standout feature, allowing seamless synchronization of audio streams with mismatched clock sources??a common challenge in professional setups with mixers, recorders, and effect processors. This eliminates audible artifacts like pops or phase shifts that plague unsynchronized systems.
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With 350mW typical power consumption, it offers better energy efficiency than many high-performance alternatives, making it suitable for both rack-mounted equipment and portable devices where power usage is a concern. The 28-VQFN package further saves PCB space, enabling sleeker designs without sacrificing performance.
Typical Applications of SRC4193IDB
The SRC4193IDB excels in applications requiring high fidelity and synchronization. Key use cases include:
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- Professional audio interfaces and sound cards
- Digital mixing consoles and audio processors
- Broadcast video switchers and studio equipment
- High-end home theater receivers and preamplifiers
- Audio test and measurement instruments
Texas Instruments?? Leadership in Audio Innovation
As a Texas Instruments product, the SRC4193IDB benefits from decades of expertise in audio semiconductor design. TI is trusted by leading manufacturers in professional audio and broadcast for producing ICs that set industry standards for performance and reliability. Each SRC4193IDB undergoes rigorous testing to ensure consistent operation across temperature extremes and voltage variations, making it a staple in mission-critical systems.
Часто задаваемые вопросы (FAQ)
What is sample rate conversion, and why is it important in the SRC4193IDB?
Sample rate conversion adjusts audio signals to match different clock sources, critical in systems with multiple devices (e.g., mixers, recorders). The SRC4193IDB??s integrated SRC eliminates timing mismatches, preventing artifacts like clicks or dropouts that degrade sound quality in professional and high-end consumer setups.
How does 132dB dynamic range enhance audio quality?
Dynamic range measures the difference between the loudest and quietest sounds a device can process. 132dB ensures the SRC4193IDB captures extremely subtle sounds (e.g., whispered dialogue) alongside loud peaks (e.g., orchestral swells) without distortion, preserving the full emotional range of audio content??critical for mastering and high-fidelity playback.
What advantages does the 28-VQFN package offer for system designers?
The 28-VQFN package provides a compact footprint (5mm x 5mm) that saves PCB space, crucial for densely packed audio equipment. Its no-lead design improves thermal performance, ensuring stable operation during extended use, while enabling automated assembly for consistent manufacturing quality in high-volume production.
Can the SRC4193IDB handle high-resolution audio formats?
Yes, with support for sample rates up to 192kHz, it fully accommodates high-resolution standards, making it ideal for mastering studios, audiophile equipment, and broadcast systems that require the highest fidelity reproduction of music, voice, and sound effects.
How does the SRC4193IDB interface with other system components?
It uses industry-standard I2S/TDM protocols for audio data and I2C for control, ensuring compatibility with most digital audio systems. This flexibility allows easy integration into existing designs, reducing development time for new audio equipment and ensuring seamless operation with legacy gear.