SRC4190IDBRQ1 Automotive Audio Codec Overview
The SRC4190IDBRQ1 from Texas Instruments is a high-performance automotive-grade audio codec with integrated sample rate conversion, engineered to synchronize diverse audio sources in vehicles. This device combines precision audio processing with robust durability, making it ideal for premium in-car sound systems. Производитель ИС offers this specialized component as part of its portfolio of automotive audio semiconductors.
Technical Parameters of SRC4190IDBRQ1
| Параметр | Значение | Единица |
|---|---|---|
| Dynamic Range (ADC/DAC) | 130 / 132 | дБ |
| Суммарные гармонические искажения + шум (THD+N) | -110 | дБ |
| Sample Rate Range | 8 to 192 | kHz |
| Потребляемая мощность (типичная) | 325 | мВт |
| Тип упаковки | 28-VQFN (Very Thin Quad Flat No-Lead) | |
Operating Characteristics
| Характеристика | Технические характеристики |
|---|---|
| Диапазон рабочих температур | -40??C до +125??C |
| Автомобильная квалификация | AEC-Q100 Grade 2 |
| Напряжение питания | 3.3V ??5% |
| Channels | 2-channel (stereo) input/output |
| Clock Jitter | 50ps (typical) |
Advantages Over Alternative Automotive Audio Codecs
The SRC4190IDBRQ1 outperforms conventional automotive audio codecs in critical areas. Its AEC-Q100 qualification ensures reliability in extreme temperatures (-40??C to +125??C), a key advantage over consumer-grade codecs that fail in underhood or dashboard environments.
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Compared to basic automotive codecs with lower dynamic range, its 130dB performance captures both quiet whispers (e.g., navigation prompts) and loud music without distortion. This versatility eliminates the need for separate codecs for different audio sources, reducing system complexity.
Unlike codecs lacking integrated sample rate converters, its ability to sync 8kHz to 192kHz sources (e.g., AM radio, Bluetooth music) prevents glitches when switching between in-car audio inputs?? a common annoyance in vehicles with basic sound systems.
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The 28-VQFN package also offers space efficiency, fitting into compact dashboards and infotainment modules where larger components won??t work. This, combined with 325mW power consumption, makes it ideal for energy-conscious electric and hybrid vehicles.
Typical Applications of SRC4190IDBRQ1
The SRC4190IDBRQ1 excels in automotive audio systems requiring synchronization and durability. Key use cases include:
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- Premium in-car infotainment systems
- Automotive surround sound systems
- Navigation and hands-free communication modules
- Electric vehicle (EV) audio systems
- Commercial vehicle multimedia setups
Texas Instruments?? Automotive Audio Expertise
As a Texas Instruments product, the SRC4190IDBRQ1 leverages decades of experience in automotive semiconductors. TI??s automotive audio solutions are trusted by leading manufacturers for meeting strict reliability standards, with rigorous testing to ensure performance in vibration, temperature extremes, and electrical noise??common in vehicles. This commitment makes the SRC4190IDBRQ1 a staple in premium automotive sound systems.
Часто задаваемые вопросы (FAQ)
What makes the SRC4190IDBRQ1 suitable for automotive environments?
Its AEC-Q100 Grade 2 qualification ensures operation from -40??C to +125??C, with resistance to vibration and electrical transients??critical for dashboards and underhood locations. This durability prevents audio dropouts in extreme weather or rough driving.
Why is 130dB dynamic range important for in-car audio?
Dynamic range captures the difference between quiet and loud sounds. 130dB ensures navigation whispers, music, and phone calls all sound clear??no need to crank volume for soft sounds or risk distortion with loud ones, enhancing driver safety and comfort.
How does sample rate conversion improve in-car audio?
Vehicles use diverse audio sources (8kHz AM radio, 44.1kHz Bluetooth, 48kHz navigation). The SRC4190IDBRQ1 syncs these, eliminating pops or delays when switching, which are common in systems without integrated conversion.
What benefits does the 28-VQFN package offer for automotive design?
The compact 28-VQFN package fits into space-constrained dashboards and infotainment modules, where larger components won??t work. Its surface-mount design also simplifies automated assembly, ensuring consistency in high-volume vehicle production.
Can the SRC4190IDBRQ1 integrate with modern EV systems?
Yes, its 325mW low power consumption aligns with EV energy efficiency goals. It also works with 3.3V systems common in EVs, syncing audio from battery management alerts, infotainment, and charging notifications without draining the battery.