STMicroelectronics E-TDA7404DTR 4ch Audio Processor Overview for Tailored Durable Sound Systems
The STMicroelectronics E-TDA7404DTR is a versatile 4-channel audio processor engineered for B2B applications that demand customized sound, easy manufacturing, and rugged performance-targeted at Automotive Electronics (in-car infotainment systems, commercial vehicle audio), Home Appliances (4-speaker home stereos, built-in living room audio), and Consumer Electronics (mid-range soundbars, compact AV receivers). It integrates critical features-4ch EQ/mixing, 94dB signal-to-noise ratio (SNR), 1.8W idle power, DIP28 through-hole package, and automotive-grade protection-to eliminate external audio control chips and streamline device design.
With programmable audio signal processing (tuned for both automotive ruggedness and home audio customization), it balances flexible sound adjustment across 4 channels with minimal energy waste. This makes it ideal for engineers prioritizing sound tailoring (user-specific EQ), manufacturability (small-batch assembly), and reliability (extreme temperature performance) in audio systems. As part of STMicroelectronics?? tailored durable audio lineup-a series trusted by 168,000+ developers in automotive and home tech sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, AEC-Q100 Grade 3 (automotive reliability), IEC 61000-6-3/4 EMC compliance (home/automotive), and 5,500+ hours of reliability testing (including thermal cycling, vibration resistance, and voltage spike validation).
🔥 المنتجات الأكثر مبيعًا
Senior engineers at a leading in-car infotainment brand endorse it: ??This processor powers our 4ch infotainment systems. The programmable EQ lets users tweak bass/treble, and 94dB SNR keeps audio clear over road noise. It??s helped us hit 99.93% device uptime and 94% customer satisfaction.?? For more tailored durable audio components, visit الشركة المصنعة للدوائر المتكاملة.
Technical Parameters of STMicroelectronics E-TDA7404DTR
المعلمة | المواصفات |
---|---|
الوظيفة | 4-channel (4ch) audio processor with EQ, mixing, and volume control (automotive/home grade) |
Audio Channels | 4 input channels, 4 output channels (support for stereo/4-speaker setups) |
نسبة الإشارة إلى الضوضاء (SNR) | 94dB (all channels), A-weighted; 91dB (all channels), unweighted |
التشوه التوافقي الكلي + الضوضاء (THD+N) | 0.020% (1kHz, 0dB gain, 4?? load) |
استهلاك الطاقة | 1.8W (idle mode, typical); 12W (max operation, 14.4V automotive / 18V home supply) |
نطاق جهد الإمداد | 9V to 18V DC (compatible with automotive batteries and home adapters) |
نوع الحزمة | DIP28 (28-pin Dual In-line Package), 32.0mm x 10.2mm x 4.5mm dimensions (through-hole mounting) |
نطاق درجة حرارة التشغيل | -40??C to +105??C (AEC-Q100 Grade 3, automotive/home grade) |
الميزات الرئيسية | Programmable 5-band EQ per channel, channel mixing, digital volume control (0dB to -60dB), mute function |
واجهة التحكم | I2C serial interface (for EQ/mixing configuration) |
الامتثال | RoHS 2 compliant, ISO 9001 certified, AEC-Q100 Grade 3, IEC 61000-6-3/4 |
Key Technical Features of E-TDA7404DTR Audio Processor
- 4ch Programmable EQ: Enables tailored sound. A home audio designer noted: ??Users adjust bass/treble for movies/music-satisfaction with sound customization rose by 40%, cutting returns by 23%.??
- 94dB SNR: Blocks environmental noise. An automotive engineer shared: ??Eliminates engine hum in cars and AC buzz at home-audio clarity complaints dropped by 48%.??
- 1.8W Idle Power: Reduces energy waste. A home stereo brand confirmed: ??Cuts yearly electricity costs for users by $5.50, boosting sales among eco-conscious buyers by 32%.??
- DIP28 Through-Hole Package: Simplifies assembly. A small-batch manufacturer said: ??No SMT equipment needed-assembly time per unit dropped by 25%, saving $8,800 in startup costs.??
- I2C Control Interface: Eases configuration. An infotainment brand explained: ??Connects directly to car MCUs-EQ setup time fell by 20%, and we added 3 custom sound presets users love.??
Advantages of E-TDA7404DTR vs. Typical Alternatives
Compared to fixed-EQ 4ch audio processors, SMT-only 4ch processors, and high-idle 4ch processors, the E-TDA7404DTR solves critical B2B pain points-backed by real customer feedback:
🌟 المنتجات المميزة
1. More Sound Customization Than Fixed-EQ 4ch Processors: Fixed-EQ processors force users to accept one sound profile, leading to complaints about ??too much bass?? or ??faint treble.?? The programmable EQ of this processor fixes this. A soundbar brand said: ??Our old fixed-EQ soundbar had 28% ??bad sound?? complaints-this programmable model lets users tweak EQ. Complaints dropped to 7%, and sound satisfaction rose from 3.5/5 to 4.8/5, driving 35% more sales.??
2. Easier Assembly Than SMT-Only 4ch Processors: SMT-only processors require expensive placement equipment, creating barriers for small manufacturers or custom audio firms. The DIP28 through-hole package eliminates this. A startup audio firm shared: ??Our old SMT processor needed $12k in gear-this DIP28 model uses a basic soldering station. We launched 2.5 months faster, and production costs per unit dropped by $1.20, making our home stereos profitable in 3 months.??
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3. Lower Energy Use Than High-Idle 4ch Processors: High-idle 4ch processors (3.5W idle) waste energy in parked cars or always-on home systems. The 1.8W idle power of this processor cuts use by 48%. An in-car brand confirmed: ??Our old 3.5W idle infotainment system drained car batteries 1.8x faster-this model cuts drain by 48%. Roadside assistance calls for dead batteries fell by 65%, saving $240,000 yearly.??
Typical Applications of STMicroelectronics E-TDA7404DTR
This 4ch audio processor excels in customizable, cross-environment B2B designs-proven in these key use cases:
- Automotive Electronics (In-Car Infotainment): Enables EQ tuning, 94dB SNR blocks road noise. An infotainment brand confirmed: ??Device uptime at 99.93%, sound customization satisfaction up by 40%.??
- Home Appliances (4-Speaker Home Stereos): Saves energy, 1.8W idle cuts electricity costs. A home brand reported: ??Stereo energy costs down by 48%, noise complaints cut by 48%.??
- Consumer Electronics (Mid-Range Soundbars): Fits compact enclosures, DIP28 package eases assembly. A consumer brand noted: ??Soundbar assembly time down by 25%, EQ customization drives 35% more sales.??
- Automotive Electronics (Commercial Vehicle Audio): Withstands extreme temps, I2C eases MCU integration. A truck brand shared: ??Commercial vehicle audio failure rate down by 2.4%, warranty costs saved $22,000 yearly.??
- Home Appliances (Built-In Living Room Audio): Eases installation, programmable EQ suits user preferences. A home brand confirmed: ??Living room audio installation time cut by 24%, ??sound customization?? ratings up by 40%.??
Frequently Asked Questions (FAQ) About STMicroelectronics E-TDA7404DTR
Why is programmable EQ important for in-car infotainment systems?
In-car infotainment users listen to diverse content-podcasts need clear speech, while music needs balanced bass/treble. Fixed-EQ systems can??t adapt, leading to dissatisfaction. Programmable EQ fixes this. An infotainment engineer said: ??Our old fixed-EQ system had 32% ??poor sound for podcasts?? complaints-this model lets users boost treble. Complaints dropped to 9%, and infotainment satisfaction rose from 3.6/5 to 4.7/5, with 28% more buyers choosing our premium trim.??
How does the DIP28 package help small-batch or custom audio manufacturers?
Small-batch or custom manufacturers often lack budget for $10k+ SMT equipment-SMT-only processors force them to outsource assembly, increasing costs and delaying production. DIP28 through-hole mounting lets them use basic tools. A custom audio firm said: ??We used to pay $1.10/unit for SMT assembly-this DIP28 model lets us do it in-house for $0.25. Annual savings hit $8,500 for 10,000 units, and we now offer 2-week custom turnaround instead of 6 weeks.??
What value does 94dB SNR add for home audio systems near appliances?
Home audio systems near fridges, AC units, or microwaves pick up background noise-low SNR (83dB) processors make this noise audible, ruining quiet music or dialogue. 94dB SNR blocks it. A home stereo brand said: ??Our old 83dB SNR stereo had 35% ??noise interference?? complaints-this 94dB model eliminates that. Complaints dropped to 7%, and our ??audio clarity?? rating rose to 93%, with 32% more repeat buyers.??
How does 1.8W idle power prevent car battery drain during long parking periods?
Cars parked for 2?C3 weeks use infotainment standby power-high-idle processors (3.5W) drain batteries below starting voltage, leading to jump-starts. 1.8W idle cuts drain by 48%. An automotive supplier said: ??Our old 3.5W idle processor caused 19% of battery jump-starts-this model cuts it to 6%. Carmakers reduced roadside assistance claims by 65%, saving $240,000 yearly, and we gained 3 new commercial vehicle clients.??
Why is the I2C control interface useful for automotive and home audio designs?
Automotive and home audio systems use microcontrollers (MCUs) to manage user inputs (e.g., EQ adjustments, volume). The I2C interface lets the processor connect directly to MCUs, eliminating the need for extra control chips. A home tech brand said: ??Our old processor needed a separate control chip to connect to our MCU-this I2C model integrates directly. Component count fell by 15%, design time was cut by 3 weeks, and we reduced PCB space by 18%.??