STMicroelectronics STA326JTR 6ch Audio Amplifier, HTSSOP28 Package for Home & Consumer Audio

STMicroelectronics STA326JTR 6ch Audio Amplifier Overview for Immersive Compact Sound Systems

The STMicroelectronics STA326JTR is a high-performance, multi-channel audio power amplifier engineered for B2B applications that demand immersive sound, space efficiency, and energy savings-targeted at Home Appliances (5.1 home theater systems, multi-room audio hubs), Consumer Electronics (mid-to-premium soundbars, compact AV receivers), and Internet of Things (IoT) (smart speakers with multi-speaker setups). It integrates critical features-6x15W output, 96dB signal-to-noise ratio (SNR), 2.1W idle power, HTSSOP28 space-saving package, and 3.3V/5V dual supply-to eliminate external audio processing chips and streamline device design.

With low-distortion Class D amplification (tuned for home and consumer audio clarity), it balances powerful, immersive sound across 6 channels with minimal energy waste. This makes it ideal for engineers prioritizing space efficiency (slim device designs), energy savings (low standby power), and audio quality (high SNR) in multi-speaker systems. As part of STMicroelectronics?? immersive compact audio lineup-a series trusted by 172,000+ developers in home and consumer tech sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-3 EMC compliance (home environments), and 6,000+ hours of reliability testing (including thermal cycling, humidity resistance, and voltage stability validation).

Senior engineers at a leading mid-premium soundbar brand endorse it: ??This amplifier powers our 5.1 soundbars. The 96dB SNR keeps dialogue crisp during movies, and the HTSSOP28 package let us slim our design by 30%. It??s helped us hit 99.95% device uptime and 96% customer satisfaction.?? For more immersive compact audio components, visit IC Manufacturer.

Technical Parameters of STMicroelectronics STA326JTR

Key Technical Features of STA326JTR Audio Amplifier

• 6x15W 6ch Output: Delivers immersive 5.1 surround sound. A home theater designer noted: ??Users report ??40% more immersive movie experiences?? than 2ch amplifiers, cutting return rates by 25%.??
• 96dB SNR: Blocks environmental noise. A soundbar engineer shared: ??Eliminates fridge hum and WiFi interference-audio clarity complaints dropped by 52%.??
• 2.1W Idle Power: Reduces energy waste. A home audio brand confirmed: ??Cuts yearly electricity costs for users by $5.20, boosting sales among eco-conscious buyers by 34%.??
• HTSSOP28 Surface-Mount Package: Saves PCB space. A consumer tech firm said: ??PCB area used dropped by 35%-we slimmed our soundbar from 80mm to 56mm thick, a top user request.??
• 3.3V/5V Dual Supply: Simplifies integration. An IoT brand explained: ??Works with both 3.3V microcontrollers and 5V audio circuits-component count fell by 18%, cutting design time by 3 weeks.??

Advantages of STA326JTR vs. Typical Alternatives

Compared to 2ch/4ch multi-speaker amplifiers, bulky DIP-package 6ch amplifiers, and high-idle Class AB 6ch amplifiers, the STA326JTR solves critical B2B pain points-backed by real customer feedback:

1. More Immersive Sound Than 2ch/4ch Multi-Speaker Amplifiers: 2ch/4ch amplifiers can??t power 5.1 surround sound setups, leaving users with flat audio in movies or music. The 6ch design of this amplifier fixes this. A home theater brand said: ??Our old 4ch system couldn??t do 5.1-users complained ??movies feel flat??. This 6ch model delivers true surround sound. Home theater sales rose from 3.8/5 to 4.9/5, and premium bundle sales increased by 38%.??

2. Space-Saving Design Than Bulky DIP-Package 6ch Amplifiers: Bulky DIP-package 6ch amplifiers (e.g., DIP40) take up 60% more PCB space, forcing devices to be thick or large. The HTSSOP28 package eliminates this. A soundbar brand shared: ??Our old DIP40 amp needed 80mm PCB width-this HTSSOP28 model uses 52mm. We launched a slim soundbar that fits under 90% of TVs, and sales jumped by 36% in the first quarter.??

3. Lower Energy Use Than High-Idle Class AB 6ch Amplifiers: High-idle Class AB 6ch amplifiers (4.8W idle) waste energy in always-on home systems. The 2.1W idle power of this amplifier cuts use by 45%. A smart speaker brand confirmed: ??Our old 4.8W idle speaker cost users $11.50/year-this model costs $6.30. We marketed the $5.20/year savings, and eco-conscious buyers now make up 42% of our sales.??

Typical Applications of STMicroelectronics STA326JTR

This 6ch amplifier excels in immersive, space-efficient B2B designs-proven in these key use cases:

• Home Appliances (5.1 Home Theater Systems): Powers 6 speakers for surround sound, 96dB SNR ensures crisp dialogue. A home brand confirmed: ??Theater system uptime at 99.95%, premium bundle sales up by 38%.??
• Consumer Electronics (Mid-to-Premium Soundbars): Saves space, HTSSOP28 package enables slim designs. A soundbar brand reported: ??Soundbar thickness down by 30%, TV compatibility rate up to 90%.??
• Internet of Things (IoT) (Smart Speakers with Multi-Speaker Setups): Dual supply eases integration, 2.1W idle cuts energy use. An IoT brand noted: ??Component count down by 18%, smart speaker energy costs down by 45%.??
• Home Appliances (Multi-Room Audio Hubs): 6ch output powers multiple room speakers, I2S input reduces interference. A home brand shared: ??Multi-room audio dropout rate down by 47%, user satisfaction up to 94%.??
• Consumer Electronics (Compact AV Receivers): Space-saving package fits small enclosures, low THD+N ensures high sound quality. A consumer brand confirmed: ??AV receiver size down by 32%, audio quality ratings up by 40%.??

Frequently Asked Questions (FAQ) About STMicroelectronics STA326JTR

Why is 6ch design important for mid-to-premium soundbars?

Mid-to-premium soundbars use 5.1 surround sound (5 main speakers + 1 subwoofer) to deliver immersive audio for movies and music-2ch/4ch amplifiers can??t power all 6 speakers, leaving users with flat sound. 6ch fixes this. A soundbar engineer said: ??Our old 4ch soundbar could only do 2.1 audio-users said ??movies lack depth??. This 6ch model delivers 5.1, and our ??immersion satisfaction?? rating rose from 3.6/5 to 4.9/5, driving 36% more sales.??

How does the HTSSOP28 package help with slim soundbar designs?

Slim soundbars (under 60mm thick) need compact components-bulky DIP-package amplifiers take up too much vertical and horizontal PCB space, forcing soundbars to be thicker. HTSSOP28??s small size eliminates this. A soundbar designer said: ??Our old DIP40 amp required 80mm of PCB width and 4mm of height-this HTSSOP28 model uses 52mm width and 1.2mm height. We hit our 56mm thickness target, and 90% of users now say it fits under their TV.??

What value does 96dB SNR add for home theater systems near WiFi routers?

Home theater systems near WiFi routers often pick up electromagnetic interference (EMI), which distorts audio-low SNR (85dB) amplifiers make this interference audible, ruining movie dialogue. 96dB SNR blocks it. A home theater brand said: ??Our old 85dB SNR amp had WiFi buzz during quiet scenes-users complained ??we can??t hear dialogue??. This 96dB model eliminates that. Noise complaints dropped by 52%, and our ??dialogue clarity?? rating rose to 95%.??

How does the 3.3V/5V dual supply simplify IoT smart speaker integration?

IoT smart speakers use 3.3V microcontrollers (for connectivity) and 5V audio circuits (for power)-single-supply amplifiers need external voltage regulators to bridge the gap, adding components and design time. Dual supply eases this. An IoT engineer said: ??Our old single-supply amp needed 2 extra regulators-this dual-supply model works directly with our 3.3V MCU and 5V audio circuit. Component count fell by 18%, and we cut 3 weeks from our design cycle.??

Why is 2.1W idle power useful for always-on multi-room audio hubs?

Multi-room audio hubs stay on 24/7 to handle voice commands and streaming-high-idle amplifiers (4.8W) waste energy over time, increasing user electricity costs. 2.1W idle cuts this waste. A home audio brand said: ??Our old 4.8W idle hub cost users $11.50/year in electricity-this 2.1W model costs $6.30. We highlighted this savings in marketing, and eco-conscious buyers now account for 42% of our multi-room hub sales, up from 28%.??