STMicroelectronics E-TDA7476013TR 2ch Audio Amplifier, DIP14 Package for Automotive & Home Audio

STMicroelectronics E-TDA7476013TR 2ch Audio Amplifier Overview for Automotive & Home Audio Systems

The STMicroelectronics E-TDA7476013TR is a robust, high-power 2-channel (2ch) audio power amplifier-engineered for B2B applications demanding strong sound output, easy integration, and durability across automotive and home environments. Targeted at Automotive Electronics (in-car audio systems, commercial vehicle speakers), Home Appliances (mid-to-high-end stereo systems, built-in living room audio), and Consumer Electronics (portable PA systems, compact soundbars), it integrates critical features (2x45W output, 95dB signal-to-noise ratio SNR, 3.0W idle power, DIP14 through-hole package, and automotive-grade protection) to eliminate external power management components and streamline multi-scenario audio device design. With dual-grade Class AB amplification (tuned for both automotive ruggedness and home audio clarity), it balances loud, low-distortion sound with energy efficiency-ideal for engineers prioritizing versatility (cross-environment use), ease of manufacturing (for small-to-large brands), and reliability (for long-term device performance) in audio designs.

As a key offering in STMicroelectronics?? cross-environment audio lineup-a series trusted by 162,000+ 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 5,000+ hours of reliability testing (including thermal cycling, vibration resistance, and voltage spike validation). Senior engineers at a leading in-car audio brand endorse it, noting: ??This amplifier powers our premium in-car systems-95dB SNR keeps music crisp over engine noise, and 3.0W idle saves battery. It??s helped us hit 99.93% device uptime and 94% customer satisfaction.?? For more cross-environment audio components, visit Fabricant de circuits intégrés.

Technical Parameters of STMicroelectronics E-TDA7476013TR

Key Technical Features of E-TDA7476013TR Audio Amplifier

• 2x45W 2ch output: Powers high-demand audio setups. An automotive engineer reported: ??Drives large in-car speakers-users say bass response is ??35% deeper?? than low-power 2ch amplifiers.??
• 95dB SNR: Blocks cross-environment noise. A home audio designer noted: ??Eliminates engine hum (car) and fridge buzz (home)-audio stays clear at all volumes, cutting ??noise complaints?? by 50%.??
• 3.0W idle power: Saves energy. An in-car audio brand confirmed: ??Cuts car battery drain by 35%-prevents dead batteries after 3 weeks of parking, saving $18 per vehicle yearly.??
• DIP14 package: Simplifies assembly. A small manufacturer shared: ??Through-hole design needs no SMT equipment-assembly time per unit dropped by 22%, lowering startup costs by $9,000.??
• -40??C to +105??C operation: Ensures durability. A commercial vehicle firm explained: ??Works in -38??C winters (trucks) and +103??C summers (cars)-failure rate dropped from 4.0% to 2.1%.??

Advantages of E-TDA7476013TR vs. Typical Alternatives

Compared to low-power 2ch amplifiers, high-idle audio amplifiers, and SMT-only amplifiers, this 2x45W model solves critical B2B automotive and home audio pain points-backed by real customer feedback:

1. More power than low-power 2ch amplifiers: Low-power 2ch amplifiers (2x25W max) distort at high volumes or fail to drive large speakers, leaving users with weak sound. The 2x45W output of this amplifier fixes this. A home stereo brand said: ??Our old 2x25W amp distorted rock music at 75% volume-this 2x45W model stays clear at max. Music lover satisfaction rose from 3.5/5 to 4.8/5, and we sold 34% more mid-to-high-end stereos.??

2. Lower energy use than high-idle audio amplifiers: High-idle audio amplifiers (4.6W idle) waste energy in always-on home systems or parked cars, increasing costs. The 3.0W idle power of this amplifier fixes this. A home theater firm confirmed: ??Our old 4.6W idle system cost users $12/year-this model costs $7.80. We marketed the $4.20/year savings, and sales jumped by 31% among budget-conscious buyers.??

3. Easier assembly than SMT-only amplifiers: SMT-only amplifiers require expensive placement equipment, creating barriers for small manufacturers (e.g., startup in-car audio brands). The DIP14 through-hole package of this amplifier eliminates this. A startup manufacturer shared: ??Our old SMT amp needed $13k in SMT gear-this DIP14 model uses a basic soldering station. We launched 3 months faster, and production costs per unit dropped by $1.20, making our in-car systems profitable in 5 months.??

Typical Applications of STMicroelectronics E-TDA7476013TR

This 2ch high-power amplifier excels in cross-environment B2B designs-proven in these key use cases:

• Automotive Electronics (In-Car Audio Systems): Delivers deep bass, 2x45W output drives large speakers. An in-car brand confirmed: ??Audio system uptime at 99.93%, music lover satisfaction at 4.8/5.??
• Home Appliances (Mid-to-High-End Stereo Systems): Blocks interference, 95dB SNR ensures clear audio. A home brand reported: ??Stereo noise complaints down by 50%, sales up by 34%.??
• Consumer Electronics (Portable PA Systems): Withstands temperature swings, 3.0W idle saves battery. A PA brand noted: ??PA system runtime up by 5 hours, ??battery life?? ratings up by 38%.??
• Automotive Electronics (Commercial Vehicle Speakers): Fits compact enclosures, DIP14 package simplifies installation. A truck brand shared: ??Commercial vehicle audio assembly time cut by 22%, installer feedback ??easy to work with??.??
• Consumer Electronics (Compact Soundbars): Powers entry-to-midrange soundbars, differential inputs reduce EMI. A consumer brand confirmed: ??Soundbar audio clarity improved by 35%, ??interference complaints?? down by 47%.??

Frequently Asked Questions (FAQ) About STMicroelectronics E-TDA7476013TR

Why is 2x45W output important for in-car audio systems?

In-car audio systems use large speakers (6?C8 inches) to overcome engine and road noise-low-power 2x25W amplifiers get drowned out, leaving users with faint sound. 2x45W fixes this. An automotive engineer said: ??Our old 2x25W amp made music ??hard to hear?? on highways-this 2x45W model cuts through road noise. In-car audio satisfaction rose from 3.5/5 to 4.8/5, and premium trim sales (with high-power audio) jumped by 34%.??

How does 3.0W idle power prevent car battery drain during long parking periods?

Cars parked for 3 weeks use infotainment standby power-high idle (4.6W) drains batteries below starting voltage. 3.0W cuts drain by 35%. An in-car supplier said: ??Our old 4.6W amp caused 19% of battery jump-starts-this model cuts it to 6%. Carmakers reduced roadside assistance claims by 68%, saving $260,000 yearly, and we gained 2 new commercial vehicle clients.??

What value does the DIP14 package add for small-scale audio manufacturers?

Small manufacturers often lack $10k+ SMT equipment-SMT-only amplifiers force them to outsource assembly, increasing costs. DIP14 through-hole mounting lets them use $200 soldering tools. A startup said: ??Our old SMT amp needed $13k in gear-this DIP14 model uses tools we already owned. We launched 3 months faster, and production costs per unit dropped by $1.20. This let us price our in-car systems 18% lower than competitors, gaining market share.??

Why is 95dB SNR important for audio devices used in both cars and homes?

Cars have engine hum and road noise, homes have fridge and HVAC buzz-low SNR (84dB) lets this seep into audio, ruining music or calls. 95dB blocks it across environments. A cross-environment brand said: ??Our old 84dB SNR amp had hum in cars and buzz at home-users complained ??audio is never clean??. This 95dB model fixes that. Noise complaints dropped by 50%, and our ??versatile audio?? rating rose from 4.0/5 to 4.9/5.??

How does -40??C to +105??C operation benefit commercial truck audio systems?

Commercial trucks operate in -38??C winters (northern regions) and +103??C summers (deserts)-narrow-range amplifiers (-20??C to +85??C) fail, causing audio outages. Broad range fixes this. A truck brand said: ??Our old amplifier failed 4.0% of the time in winter-drivers couldn??t use navigation audio. This model??s -40??C tolerance cuts failures to 2.1%. Driver satisfaction with audio rose by 46%, and we expanded to 4 new cold-climate markets.??