STMicroelectronics TDA7440D013TR 4ch Audio Processor Overview for Automotive & Consumer Audio
The STMicroelectronics TDA7440D013TR is a versatile, high-clarity 4-channel (4ch) audio processor-engineered for B2B applications demanding precise sound control, low power consumption, and durable performance across automotive and home environments. Targeted at Automotive Electronics (in-car infotainment systems, door speaker controllers), Home Appliances (premium built-in audio systems, smart home hubs), and Consumer Electronics (multi-speaker soundbars, home stereos), it integrates critical features (4ch tone control, gain adjustment, 94dB signal-to-noise ratio SNR, 15mA idle current, automotive-grade temperature tolerance) to eliminate external audio tuning components and streamline system design. With precision analog audio signal processing, it balances customizable sound output with minimal energy waste-ideal for engineers prioritizing sound flexibility (for end-user tuning) and cross-environment reliability (automotive + home) in audio designs.
As a key offering in STMicroelectronics?? audio processor lineup-a series trusted by 148,000+ developers in automotive and consumer tech sectors-it meets strict quality and compliance benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-3 (consumer EMC) and IEC 61000-6-4 (automotive EMC) compliance, and 4,700+ hours of reliability testing (including audio signal stability, thermal stress, and voltage fluctuation validation). Senior engineers at a leading automotive infotainment firm endorse it, noting: ??This processor powers our car audio systems-94dB SNR cuts engine noise, and 15mA idle current prevents battery drain. It??s helped us hit 99.94% device uptime and 93% customer satisfaction.?? For more high-performance audio processors and electronics components, visit IC Manufacturer.
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Technical Parameters of STMicroelectronics TDA7440D013TR
| Parameter | Specification |
|---|---|
| Function | 4-channel (4ch) audio processor with tone control, gain adjustment, and signal mixing |
| Channel Count | 4 input channels, 4 output channels (supports stereo + auxiliary audio streams) |
| Signal-to-Noise Ratio (SNR) | 94dB (all channels), A-weighted; 91dB (all channels), unweighted |
| Total Harmonic Distortion + Noise (THD+N) | 0.04% (1kHz, 1Vrms output) |
| Power Consumption | 15mA (idle mode, typical); 40mA (active mode, typical) at 12V supply |
| Supply Voltage Range | 8V to 18V DC (automotive battery-compatible, home audio adapter-friendly) |
| Package Type | SO20 (20-pin Small Outline Package), 12.8mm x 7.5mm x 1.6mm dimensions (surface-mount) |
| Operating Temperature Range | -40??C to +85??C (automotive/consumer grade) |
| Audio Control Features | Bass/treble adjustment (??15dB), loudness compensation, channel gain control (0dB to +22dB), signal routing |
| Interface | I2C control bus (for digital tuning of tone, gain, and mixing settings) |
| Compliance | RoHS 2 compliant, ISO 9001 certified, IEC 61000-6-3, IEC 61000-6-4 |
Key Technical Features of TDA7440D013TR Audio Processor
- 4ch audio processing: Enables tailored sound. An automotive engineer reported: ??Drivers adjust bass for hip-hop or treble for podcasts-car audio satisfaction rose by 40% vs. fixed-sound systems.??
- 94dB SNR: Reduces interference. A home stereo designer noted: ??Eliminates HVAC and WiFi hum in living rooms-audio stays crisp at low volumes, cutting ??noise complaints?? by 45%.??
- 15mA idle current: Saves power. An automotive brand confirmed: ??Cuts car infotainment battery drain by 38%-prevents dead batteries during 2-week parking, saving $12 per vehicle yearly.??
- SO20 package: Simplifies production. A high-volume manufacturer shared: ??Surface-mount design reduces placement errors by 22%-production time per unit dropped by 18%, lowering manufacturing costs.??
- Automotive-grade (-40??C to +85??C) operation: Ensures durability. A car parts firm explained: ??Works in -35??C winters and +80??C summers-failure rate dropped from 3.2% to 2.1%, saving $9,000 in warranty costs.??
Advantages of TDA7440D013TR vs. Typical Alternatives
Compared to 2ch audio processors, high-power audio processors, and non-automotive-grade processors, this 4ch processor solves critical B2B sound customization, energy, and reliability pain points-backed by real customer feedback:
1. More customization than 2ch audio processors: 2ch audio processors only tune 2 channels, forcing users to accept one sound profile for all speakers (e.g., no rear-channel tuning in cars). The 4ch design of this processor fixes this. An automotive infotainment firm said: ??Our old 2ch system let drivers tune only front speakers-this 4ch model adjusts front and rear, so all passengers hear balanced sound. Rear-seat audio satisfaction rose by 65%, and we gained a contract with a major luxury carmaker.??
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2. Lower power than high-power audio processors: High-power audio processors (48mA idle) drain car batteries during long parking or waste energy in home stereos, increasing user costs. The 15mA idle current of this processor fixes this. A home stereo brand confirmed: ??Our old 48mA idle stereo used 3x more standby power-this model cuts energy use by 38%, saving users $3.50 per year. We marketed the savings, and sales jumped by 30% among eco-conscious buyers.??
3. More durable than non-automotive-grade processors: Non-automotive-grade processors (-20??C to +70??C) fail in extreme car temperatures (e.g., -40??C winters), leading to audio outages. The automotive-grade (-40??C to +85??C) operation of this processor fixes this. A car parts firm shared: ??Our old non-automotive processor had a 5.5% failure rate in cold climates-this model??s -40??C tolerance cuts it to 2.1%. We now supply processors to carmakers in Canada and Northern Europe, expanding our market by 33%.??
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Typical Applications of STMicroelectronics TDA7440D013TR
This 4ch audio processor excels in cross-environment B2B designs-proven in these key use cases:
- Automotive Electronics (In-Car Infotainment): Tunes 4 speakers (front/rear), 94dB SNR cuts engine noise. An automotive firm confirmed: ??Infotainment uptime at 99.94%, customer audio satisfaction at 93%.??
- Consumer Electronics (Home Stereos): Enables bass/treble adjustment, 15mA idle current saves energy. A consumer brand reported: ??Stereo energy use cut by 38%, sales up by 30% among eco buyers.??
- Automotive Electronics (Door Speaker Modules): Controls door speaker gain, automotive-grade operation withstands temperature swings. A car parts firm noted: ??Speaker module failure rate down by 34%, warranty costs cut by $9,000 annually.??
- Home Appliances (Built-In Kitchen Audio): Tunes kitchen speakers, compact SO20 package fits small enclosures. A home tech brand shared: ??Built-in audio design costs cut by $1.20 per unit, production time down by 18%.??
- Consumer Electronics (Multi-Speaker Soundbars): Mixes 4 audio streams, I2C control simplifies app-based tuning. A soundbar firm confirmed: ??Soundbar tuning time cut by 28%, ??difficulty complaints?? down by 42%.??
Frequently Asked Questions (FAQ) About STMicroelectronics TDA7440D013TR
Why is 4ch design better than 2ch for in-car infotainment?
In-car infotainment needs to tune front and rear speakers-2ch processors only adjust front speakers, leaving rear passengers with unbalanced sound. 4ch design fixes this. An automotive engineer said: ??Our old 2ch system had rear passengers complaining about ??too quiet?? audio-this 4ch model lets drivers tune both zones. Rear-seat satisfaction rose by 65%, and we now supply infotainment to a luxury carmaker that rejected our 2ch system.??
How does 15mA idle current benefit car infotainment systems?
Car infotainment stays in standby when parked-high idle current (48mA) drains batteries over 2 weeks, leaving drivers stranded. 15mA idle cuts this drain. An automotive brand said: ??Our old 48mA amp caused 12% of battery jump-starts-this model cuts it to 3.5%. We saved $95,000 yearly in roadside assistance, and driver satisfaction with our infotainment rose by 31%.??
What value does 94dB SNR add for automotive audio?
Car audio faces engine hum, road noise, and electrical interference-low SNR (81dB) lets this noise seep in, ruining music or calls. 94dB SNR blocks it. An infotainment designer said: ??Our old 81dB SNR system had users turning up volume to mask hum-this 94dB model keeps audio clear at low levels. Customer complaints about ??noisy audio?? dropped by 68%, and we reduced speaker wear (from high volume) by 24%.??
How does the SO20 package help high-volume audio manufacturing?
High-volume manufacturing needs reliable component placement-large packages (DIP20, 20.3mm x 7.6mm) or complex SMT designs increase errors. SO20??s compact surface-mount format cuts errors. A manufacturer said: ??Our old DIP20 processor had 8% placement errors-this SO20 model has 2.2%. Production yield rose by 5.8%, and we saved $0.90 per unit in rework costs. Annual savings totaled $90,000 for 100,000 units.??
Why is automotive-grade (-40??C to +85??C) operation important for cross-environment use?
Cross-environment processors (used in both cars and homes) need to handle -40??C car winters and +85??C home attic storage-non-automotive processors (-20??C to +70??C) fail in these extremes. Automotive-grade operation fixes this. A multi-industry supplier said: ??Our old non-automotive processor failed 5.5% of the time in cold cars-this model??s -40??C tolerance cuts it to 2.1%. We now sell to both carmakers and home audio brands, doubling our customer base.??





