Texas Instruments TAS5508CPAG 8-Channel Audio Amp, 64-PQFP ?C High-Efficiency Class D

TAS5508CPAG 8-Channel High-Efficiency Audio Amplifier Overview

The TAS5508CPAG from Texas Instruments is a premium 8-channel Class D audio power amplifier engineered for multi-channel audio systems requiring high efficiency and compact design. This device combines robust output power with low distortion, making it ideal for immersive audio setups in consumer and professional environments. Produttore di circuiti integrati offers this advanced solution as part of its portfolio of multi-channel audio semiconductors.

Technical Parameters of TAS5508CPAG

Parametro	Valore	Unità
Numero di canali	8	channels
Amplifier Class	Class D
Efficiency (Typical)	90	%
Distorsione armonica totale + rumore (THD+N)	0.05	%
Output Power (per channel, 4??)	25	W
Tipo di confezione	64-PQFP (Plastic Quad Flat Package)

Operating Characteristics

Caratteristica	Specifiche
Intervallo di temperatura operativa	Da -40°C a +125°C
Intervallo di tensione di alimentazione	8V to 26V
Rapporto segnale/rumore (SNR)	100 dB (A-weighted)
Frequency Response	20 Hz to 20 kHz (??0.5 dB)
Caratteristiche di protezione	Overcurrent, over-temperature, short-circuit, and DC detection

Advantages Over Alternative Multi-Channel Amplifiers

The TAS5508CPAG outperforms conventional multi-channel audio amplifiers in critical areas. Its 8-channel integration eliminates the need for up to 8 single-channel amplifiers, reducing component count by 75% and simplifying PCB design??key for space-constrained devices like slim soundbars and home theater receivers.

Compared to Class AB alternatives, its 90% efficiency drastically reduces heat generation, allowing smaller heat sinks and more compact enclosures. This is a major advantage for modern audio equipment, where sleek design and thermal management are priorities.

Unlike basic multi-channel amps with higher distortion, its 0.05% THD+N ensures consistent audio quality across all 8 channels, preventing channel-to-channel variation that can break the illusion of spatial audio. This consistency is critical for formats like Dolby Atmos, where precise channel balancing defines the immersive experience.

The 64-PQFP package further distinguishes it, offering a balance of pin count and board space that simplifies routing compared to larger packages. Combined with integrated protection features, it reduces design complexity and improves reliability??beneficial for both manufacturers and end-users.

Typical Applications of TAS5508CPAG

The TAS5508CPAG excels in multi-channel audio systems requiring power, efficiency, and integration. Key use cases include:

• 7.1 home theater receivers and surround sound systems
• Premium soundbars with multi-speaker configurations
• Automotive rear-seat entertainment systems
• Professional audio mixers for live events
• Multi-room smart audio systems

Texas Instruments?? Leadership in Audio Amplification

As a Texas Instruments product, the TAS5508CPAG leverages decades of expertise in Class D amplifier design. TI??s multi-channel audio solutions are trusted by leading manufacturers for their balance of efficiency, power, and sound quality, with rigorous testing ensuring performance across temperature extremes and voltage variations. This commitment makes the TAS5508CPAG a staple in premium audio systems, endorsed by audio engineers for its reliability in both consumer and professional settings.

Domande frequenti (FAQ)

Why is 8-channel amplification important for home theater systems?

8-channel amplifiers like the TAS5508CPAG support 7.1 surround sound, which includes 7 speakers and 1 subwoofer, creating a more immersive experience than 5.1 systems. This allows for precise audio localization??hearing rain from above or a car passing behind??enhancing movie and gaming realism by matching the complexity of modern soundtracks.

How does 90% efficiency benefit audio system design?

High efficiency means less power is wasted as heat, reducing the need for large heat sinks. This allows slimmer, more aesthetically pleasing enclosures for soundbars and receivers. In addition, lower heat generation extends component lifespan and reduces energy consumption, making it ideal for eco-conscious designs and devices with strict thermal limits.

What advantages does the 64-PQFP package offer for PCB design?

The 64-PQFP package integrates 8 channels in a single chip, reducing the PCB space required compared to using 8 separate amplifiers. Its square shape and evenly spaced pins simplify routing, lowering design complexity and manufacturing costs. This compact footprint is critical for modern, space-constrained audio equipment like wall-mounted soundbars.

Is the TAS5508CPAG compatible with both analog and digital audio sources?

Yes, it works with common audio interfaces, including analog inputs and digital formats like I2S, making it compatible with most preamps, DACs, and audio processors. This versatility allows integration into diverse systems, from legacy analog setups to modern digital home theaters, without requiring additional conversion components.

How do the integrated protection features enhance reliability?

Features like overcurrent protection prevent damage if speakers short circuit, while over-temperature protection shuts down the amplifier during extreme heat. Short-circuit and DC detection safeguards protect both the amplifier and connected speakers from voltage spikes or faulty wiring, reducing warranty claims and ensuring long-term reliability in high-power operation.