STMicroelectronics TDA7808-48X 4ch Audio Amplifier, DIP25 Package for Automotive & Home Audio

STMicroelectronics TDA7808-48X 4ch Audio Amplifier Overview for High-Power Easy-Assembly Sound Systems

The STMicroelectronics TDA7808-48X is a high-power, multi-channel audio power amplifier engineered for B2B applications that demand strong sound output, simplified manufacturing, and durability across automotive and home environments. Targeted at Automotive Electronics (premium in-car audio systems, commercial vehicle 4-speaker setups), Home Appliances (4-speaker high-performance home stereos, built-in living room audio), and Consumer Electronics (mid-range multi-speaker soundbars, compact audio hubs), it integrates critical features-4x25W output, 95dB signal-to-noise ratio (SNR), 2.7W idle power, DIP25 through-hole package, and automotive-grade protection-to eliminate external power management components and streamline audio device production.

With high-efficiency Class AB amplification (tuned for both automotive ruggedness and home audio clarity), it balances powerful, low-distortion sound across 4 channels with minimal energy waste. This makes it ideal for engineers prioritizing high power (loud, clear audio), manufacturability (small-batch or custom production), and reliability (extreme temperature performance) in audio designs. As part of STMicroelectronics?? high-power easy-assembly audio lineup-a series trusted by 170,000+ 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 5,800+ hours of reliability testing (including thermal cycling, vibration resistance, and voltage spike validation).

Senior engineers at a leading premium in-car audio brand endorse it: ??This amplifier powers our 4-speaker premium systems. The 95dB SNR keeps audio crisp over highway noise, and the 4x25W output delivers deep bass-users love it. It??s helped us hit 99.94% device uptime and 95% customer satisfaction.?? For more high-power easy-assembly audio components, visit IC Manufacturer.

Technical Parameters of STMicroelectronics TDA7808-48X

Key Technical Features of TDA7808-48X Audio Amplifier

• 4x25W 4ch Output: Delivers powerful balanced sound. A home audio designer noted: ??Users report ??35% louder clear audio?? than 4x20W amplifiers, cutting stereo return rates by 22%.??
• 95dB SNR: Blocks environmental noise. An automotive engineer shared: ??Eliminates engine hum in cars and AC buzz at home-audio clarity complaints dropped by 50%.??
• 2.7W Idle Power: Reduces energy waste. A home stereo brand confirmed: ??Cuts yearly electricity costs for users by $4.50, boosting sales among budget-conscious buyers by 33%.??
• DIP25 Through-Hole Package: Simplifies assembly. A small-batch manufacturer said: ??No SMT equipment needed-assembly time per unit dropped by 30%, saving $10,000 in startup costs.??
• -40??C to +105??C Operating Range: Ensures durability. A commercial truck brand explained: ??Works in -40??C winters and +105??C summers-audio system failure rate fell from 4.5% to 1.8%.??

Advantages of TDA7808-48X vs. Typical Alternatives

Compared to low-power 4ch amplifiers, SMT-only 4ch amplifiers, and high-idle 4ch amplifiers, the TDA7808-48X solves critical B2B pain points-backed by real customer feedback:

1. More Power Than Low-Power 4ch Amplifiers: Low-power 4ch amplifiers (4x20W) struggle to drive large speakers or cut through road noise in cars, leaving users with weak sound. The 4x25W output of this amplifier fixes this. A premium in-car brand said: ??Our old 4x20W system felt ??faint?? on highways-this 4x25W model cuts through road noise. In-car audio satisfaction rose from 3.7/5 to 4.9/5, and premium trim sales increased by 36%.??

2. Easier Assembly Than SMT-Only 4ch Amplifiers: SMT-only amplifiers require expensive placement equipment, creating barriers for small manufacturers or custom audio firms. The DIP25 through-hole package eliminates this. A startup audio firm shared: ??Our old SMT amp needed $14k in gear-this DIP25 model uses a basic soldering station. We launched 3 months faster, and production costs per unit dropped by $1.50, making our home stereos profitable in 2 months.??

3. Lower Energy Use Than High-Idle 4ch Amplifiers: High-idle 4ch amplifiers (4.5W idle) waste energy in parked cars or always-on home systems, increasing costs. The 2.7W idle power of this amplifier cuts use by 40%. A home tech brand confirmed: ??Our old 4.5W idle stereo cost users $10.20/year-this model costs $6.10. We marketed the $4.10/year savings, and sales jumped by 32% among eco-conscious buyers.??

Typical Applications of STMicroelectronics TDA7808-48X

This high-power 4ch amplifier excels in cross-environment B2B designs-proven in these key use cases:

• Automotive Electronics (Premium In-Car Audio): Powers 4 large speakers, 95dB SNR blocks road noise. An in-car brand confirmed: ??Audio system uptime at 99.94%, premium trim sales up by 36%.??
• Home Appliances (High-Performance 4-Speaker Stereos): Saves energy, 2.7W idle cuts electricity costs. A home brand reported: ??Stereo energy costs down by 40%, noise complaints cut by 50%.??
• Consumer Electronics (Mid-Range Multi-Speaker Soundbars): Fits compact enclosures, DIP25 package eases assembly. A consumer brand noted: ??Soundbar assembly time down by 30%, mid-range sales up by 33%.??
• Automotive Electronics (Commercial Vehicle Audio): Withstands extreme temps, short-circuit protection prevents damage. A truck brand shared: ??Commercial vehicle audio failure rate down by 2.7%, warranty costs saved $26,000 yearly.??
• Home Appliances (Built-In Living Room Audio): Eases installation, differential inputs reduce EMI. A home brand confirmed: ??Living room audio installation time cut by 28%, ??interference issues?? down by 48%.??

Frequently Asked Questions (FAQ) About STMicroelectronics TDA7808-48X

Why is 4x25W output important for premium in-car audio systems?

Premium in-car audio uses large 6?C8 inch speakers to deliver immersive sound, and low-power 4x20W amplifiers can??t drive these speakers effectively or cut through road noise. 4x25W fixes this. An automotive engineer said: ??Our old 4x20W system made music ??hard to hear?? on highways-this 4x25W model keeps audio clear. Premium trim sales jumped by 36%, and we received 22% fewer ??weak sound?? complaints.??

How does the DIP25 package help small-batch or custom audio manufacturers?

Small-batch or custom manufacturers often lack budget for $10k+ SMT equipment-SMT-only amplifiers force them to outsource assembly, increasing costs and delaying production. DIP25 through-hole mounting lets them use basic tools. A custom audio firm said: ??We used to pay $1.20/unit for SMT assembly-this DIP25 model lets us do it in-house for $0.30. Annual savings hit $9,000 for 10,000 units, and we now offer 1-week custom turnaround instead of 4 weeks.??

What value does 95dB SNR add for home audio systems near appliances?

Home appliances (fridges, AC, microwaves) emit background noise-low SNR (84dB) lets this seep into audio, ruining quiet music or movie dialogue. 95dB blocks it. A home stereo brand said: ??Our old 84dB SNR amp had fridge buzz-users complained ??we can??t hear soft songs??. This 95dB model eliminates that. Noise complaints dropped by 50%, and our ??audio clarity?? rating rose from 4.0/5 to 4.9/5.??

How does 2.7W idle power prevent car battery drain during long parking periods?

Cars parked for 3 weeks use audio standby power-high idle (4.5W) drains batteries below starting voltage, leading to jump-starts. 2.7W cuts drain by 40%. An in-car supplier said: ??Our old 4.5W amp caused 20% of battery jump-starts-this model cuts it to 3%. Carmakers reduced roadside assistance claims by 85%, saving $300,000 yearly, and we gained 4 new premium car clients.??

Why is -40??C to +105??C operation useful for commercial truck audio systems?

Commercial trucks operate in -40??C winters (northern regions) and +105??C summers (deserts)-narrow-range amplifiers (-20??C to +85??C) fail, cutting off navigation audio or driver communication. Broad range fixes this. A truck brand said: ??Our old amplifier failed 4.5% of the time in winter-drivers lost navigation audio. This model??s -40??C tolerance cuts failures to 1.8%. Driver satisfaction with audio rose by 48%, and we expanded to 5 new cold-climate markets.??