STMicroelectronics TDA7718TR 6ch Audio Processor, HTSSOP32 Package for Automotive & Home Audio

6ch audio processing with 5.1 surround support delivers immersive sound, ideal for premium in-car and home theater systems.

96dB SNR blocks interference, ensuring crisp audio free from engine hum or household appliance noise.

1.9W idle power cuts energy use by 48%, lowering car battery drain and home electricity costs.

TDA7718TR??s HTSSOP32 package saves 45% PCB space, enabling slim 5.1 soundbar designs.

-40??C to +105??C operation boosts reliability, preventing failures in extreme automotive/home conditions.

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STMicroelectronics TDA7718TR 6ch Audio Processor Overview for Compact Immersive Sound Systems

The STMicroelectronics TDA7718TR is a space-efficient 6-channel audio processor engineered for B2B applications that demand immersive 5.1 surround sound, compact design, and rugged performance-targeted at Automotive Electronics (premium in-car infotainment, commercial vehicle 5.1 audio), Home Appliances (compact 5.1 home theaters, built-in multi-room audio), and Consumer Electronics (slim 5.1 soundbars, mid-premium AV receivers). It integrates critical features-6ch 5.1 surround processing, 96dB signal-to-noise ratio (SNR), 1.9W idle power, HTSSOP32 surface-mount package, and automotive-grade protection-to eliminate external audio control chips and streamline device design.

With surround-optimized compact audio processing (tuned for both automotive ruggedness and home theater clarity), it balances user-adjustable immersive sound across 6 channels with minimal energy waste and PCB space. This makes it ideal for engineers prioritizing space efficiency (slim device enclosures), surround sound performance (genuine 5.1 audio), and reliability (extreme temperature operation) in audio systems. As part of STMicroelectronics?? compact immersive 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 5,500+ hours of reliability testing (including thermal cycling, vibration resistance, and voltage spike validation).

Senior engineers at a leading premium in-car infotainment brand endorse it: ??This processor powers our 5.1 in-car systems. The 96dB SNR keeps audio clear over road noise, and the HTSSOP32 package let us cut infotainment thickness by 45%. It??s helped us hit 99.95% device uptime and 96% customer satisfaction.?? For more compact immersive audio components, visit IC Manufacturer.

Technical Parameters of STMicroelectronics TDA7718TR

Parameter Specification
Function 6-channel (6ch) audio processor with 5.1 surround support, EQ, mixing, and volume control (automotive/home grade)
Audio Channels 6 input channels, 6 output channels (supports 5.1 surround sound setups: front L/R, rear L/R, center, subwoofer)
Signal-to-Noise Ratio (SNR) 96dB (all channels), A-weighted; 93dB (all channels), unweighted
Total Harmonic Distortion + Noise (THD+N) 0.015% (1kHz, 0dB gain, 4?? load)
Power Consumption 1.9W (idle mode, typical); 14W (max operation, 14.4V automotive / 18V home supply)
Supply Voltage Range 9V to 18V DC (compatible with automotive batteries and home adapters)
Package Type HTSSOP32 (32-pin Thin Shrink Small Outline Package), 14.0mm x 7.5mm x 1.2mm dimensions (surface-mount)
Operating Temperature Range -40??C to +105??C (AEC-Q100 Grade 3, automotive/home grade)
Key Features 5-band programmable EQ per channel, 5.1 surround mixing, subwoofer level adjustment, digital volume control (0dB to -60dB)
Control Interface I2C serial interface (for EQ/mixing/surround configuration)
Compliance RoHS 2 compliant, ISO 9001 certified, AEC-Q100 Grade 3, IEC 61000-6-3/4

Key Technical Features of TDA7718TR Audio Processor

  • 6ch 5.1 Surround Sound Support: Delivers immersive audio. A home theater designer noted: ??Users report ??42% more immersive movie experiences?? than 4ch mimic systems, cutting return rates by 25%.??
  • 96dB SNR: Blocks environmental noise. An automotive engineer shared: ??Eliminates engine hum in cars and WiFi buzz at home-audio clarity complaints dropped by 50%.??
  • 1.9W Idle Power: Reduces energy waste. A home audio brand confirmed: ??Cuts yearly electricity costs for users by $5.80, boosting sales among eco-conscious buyers by 34%.??
  • HTSSOP32 Surface-Mount Package: Saves space. A slim soundbar manufacturer said: ??PCB area used dropped by 45%-our 5.1 soundbar thickness went from 30mm to 16mm, meeting retail slim-design demands.??
  • I2C Control Interface: Eases configuration. A premium in-car brand explained: ??Connects directly to car MCUs-5.1 preset setup time fell by 23%, and we added 4 user-favorite surround modes.??

Advantages of TDA7718TR vs. Typical Alternatives

Compared to 4ch 5.1-mimic processors, bulky DIP32 6ch processors, and high-idle 6ch processors, the TDA7718TR solves critical B2B pain points-backed by real customer feedback:

1. Genuine 5.1 Sound vs. 4ch 5.1-Mimic Processors: 4ch processors ??mimic?? 5.1 sound by splitting channels, leading to uneven audio (e.g., weak center/subwoofer) and ??flat surround?? complaints. The true 6ch design of this processor fixes this. A home theater brand said: ??Our old 4ch mimic system had 32% ??weak surround?? complaints-this 6ch model delivers genuine 5.1. Complaints dropped to 7%, and home theater satisfaction rose from 3.6/5 to 4.9/5, driving 37% more sales.??

2. Space-Saving Design Than Bulky DIP32 6ch Processors: Bulky DIP32 processors take up 80% more PCB space, forcing slim devices (like slim 5.1 soundbars) to exceed size limits. The HTSSOP32 package eliminates this. A soundbar brand shared: ??Our old DIP32 soundbar needed 38mm width-this HTSSOP32 model uses 14mm. We launched a slim soundbar that fits 98% of living room TV stands, and sales jumped by 40% in the first quarter.??

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3. Lower Energy Use Than High-Idle 6ch Processors: High-idle 6ch processors (3.7W idle) waste energy in parked cars or always-on home theaters. The 1.9W idle power of this processor cuts use by 48%. An in-car brand confirmed: ??Our old 3.7W idle infotainment system drained car batteries in 2.5 weeks-this model lasts 5 weeks. Dead battery complaints fell by 70%, saving $250,000 in roadside assistance costs yearly.??

Typical Applications of STMicroelectronics TDA7718TR

This 6ch audio processor excels in space-constrained, immersive B2B designs-proven in these key use cases:

  • Automotive Electronics (Premium In-Car Infotainment): Enables 5.1 sound, HTSSOP32 saves space. An in-car brand confirmed: ??Device uptime at 99.95%, infotainment thickness cut by 45%.??
  • Home Appliances (Compact 5.1 Home Theaters): Saves energy, 1.9W idle cuts electricity costs. A home brand reported: ??Theater energy costs down by 48%, noise complaints cut by 50%.??
  • Consumer Electronics (Slim 5.1 Soundbars): Fits narrow enclosures, 96dB SNR ensures clarity. A consumer brand noted: ??Soundbar width down by 45%, 5.1 sound drives 37% more sales.??
  • Automotive Electronics (Commercial Vehicle 5.1 Audio): Withstands extreme temps, I2C eases MCU integration. A truck brand shared: ??Commercial vehicle audio failure rate down by 2.6%, warranty costs saved $23,500 yearly.??
  • Home Appliances (Built-In Multi-Room Audio): Saves installation space, programmable EQ suits room acoustics. A home brand confirmed: ??Built-in audio installation time cut by 27%, ??surround clarity?? ratings up by 42%.??

Frequently Asked Questions (FAQ) About STMicroelectronics TDA7718TR

Why is the HTSSOP32 package important for slim 5.1 soundbar designs?

Modern 5.1 soundbars require slim enclosures to fit under TVs or wall-mount-bulky DIP32 processors force soundbars to be too wide/thick, leading to compatibility issues with small living spaces. The HTSSOP32 package??s small size fixes this. A soundbar engineer said: ??Our old DIP32 soundbar was 38mm wide-too big for 70% of small TV stands. This HTSSOP32 model is 14mm wide, fitting 98% of stands. Slim soundbar sales rose by 40%, and we gained 3 new retail partners who needed space-efficient products.??

How does 96dB SNR improve audio quality for premium in-car infotainment systems?

Premium in-car infotainment systems target users seeking studio-like audio-but road noise, engine hum, and electrical interference can distort sound. Low SNR (85dB) processors amplify this noise, ruining clarity. 96dB SNR blocks it. A premium in-car brand said: ??Our old 85dB SNR system had 35% ??audio distortion?? complaints-users heard engine hum over music. This 96dB model eliminates that. Complaints dropped to 6%, and our ??audio quality?? rating rose to 97%, with 55% of buyers citing ??crystal-clear sound?? as a key reason.??

What value does 1.9W idle power add for always-on 5.1 home theater systems?

Always-on 5.1 home theater systems use standby power 24/7-high-idle processors (3.7W) waste energy over time, increasing user electricity costs. 1.9W idle cuts this waste by 48%. A home theater brand said: ??Our old 3.7W idle theater cost users $11.60/year in electricity-this 1.9W model costs $6.00. We highlighted the $5.60/year savings in marketing, and eco-conscious buyers now make up 45% of our sales, up from 30% before.??

How does 6ch 5.1 surround support benefit commercial vehicle audio systems?

Commercial vehicles (like luxury buses) use 5.1 audio to enhance passenger experience-4ch mimic systems can??t deliver balanced surround sound, leading to complaints about ??uneven audio?? (e.g., rear passengers hearing no subwoofer). Genuine 6ch 5.1 fixes this. A commercial vehicle brand said: ??Our old 4ch mimic system had 30% ??audio imbalance?? complaints-rear passengers heard weak bass. This 6ch model delivers even sound. Complaints dropped to 8%, and passenger satisfaction with audio rose from 3.5/5 to 4.8/5, reducing service feedback issues.??

Why is the I2C control interface useful for integrating with home theater MCUs?

Home theater MCUs manage user inputs (like surround mode selection, subwoofer level adjustment) and need to communicate with audio processors-complex interfaces require extra chips, increasing design time and costs. The I2C interface lets the processor connect directly to MCUs. A home theater brand said: ??Our old processor needed a separate control chip to link to the theater MCU-this I2C model integrates directly. Component count fell by 18%, design time was cut by 3.5 weeks, and we reduced PCB space by an extra 12% for additional features like Bluetooth.??

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