TAS2555YZT Texas Instruments Integrated Circuit (BGA) In Stock
The Texas Instruments TAS2555YZT is a 5.7W mono Class-D audio amplifier with integrated speaker protection, housed in a compact 42-ball DSBGA package for mobile applications. It delivers 111dB SNR with a single-channel output and operates over a -40°C to 85°C temperature range. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- BGA
- Pin Count
- 42
- Lifecycle
- ACTIVE
- Datasheet
- TAS2555YZT Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 5.7W Class-D mono audio output with 111dB signal-to-noise ratio for high-fidelity speaker driving in portable devices
- Integrated speaker protection circuitry monitors and limits excursion and temperature to prevent speaker damage during peak playback
- Ultra-compact 42-ball DSBGA package minimizes board area consumption in space-constrained mobile phone and tablet audio designs
- Wide operating temperature range of -40°C to 85°C ensures reliable audio performance in both consumer and light industrial environments
Applications
The TAS2555YZT is designed for mobile audio amplification in smartphones, tablets, and portable Bluetooth speakers where high output power and speaker protection in a minimal footprint are required. Its integrated protection algorithms prevent speaker damage from thermal overload and over-excursion, making it ideal for products with powerful audio output relative to their physical speaker size. The device is also suitable for wearables and compact consumer electronics where efficient Class-D operation minimizes battery drain during audio playback.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Consumer IC Type | CLASS D AUDIO AMPLIFIER |
| JESD-30 Code | R-PBGA-B42 |
| JESD-609 Code | e1 |
| Noise Figure-Nom | 111dB |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Output Power-Nom | 5.7W |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max | 40mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.95V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TAS2555YZT:
Texas Instruments 5.7W, 1 Channel(s), 1 Func, PBGA42
Frequently Asked Questions
What is the output power of the TAS2555YZT?
The TAS2555YZT delivers 5.7W of nominal output power from its Class-D mono audio amplifier, providing strong speaker drive capability for portable devices such as smartphones and tablets using compact speakers.
Does the TAS2555YZT have built-in speaker protection?
Yes, the TAS2555YZT includes integrated speaker protection that monitors output conditions including thermal stress and speaker excursion, automatically limiting output power to prevent speaker damage during high-volume or sustained audio playback.
What package does the TAS2555YZT use?
The TAS2555YZT is housed in a 42-ball DSBGA (Die-Size Ball Grid Array) package, an extremely compact wafer-level package that minimizes PCB footprint while maintaining reliable electrical and thermal performance in mobile audio designs.
What is the SNR of the TAS2555YZT?
The TAS2555YZT achieves a nominal noise figure of 111 dB SNR, delivering high audio fidelity suitable for premium mobile audio applications where low background noise and clear sound reproduction are important to the end user.
What operating temperature range does the TAS2555YZT support?
The TAS2555YZT is rated for operation from -40°C to 85°C, covering the full consumer and light industrial temperature range, ensuring reliable audio amplifier performance in varying ambient conditions from cold outdoor environments to warm enclosed electronics enclosures.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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