LM49270SQ/NOPBIn StockTexas Instruments
LM49270SQ/NOPB is a filterless 2.2W Class-D audio subsystem IC from Texas Instruments, featuring an OCL headphone amplifier, 3D sound enhancement, and headphone sense detection with 14 dB gain. From $2.81, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 29
- Lifecycle
- ACTIVE
- Datasheet
- LM49270SQ/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.8100(MOQ 500)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Filterless 2.2W Class-D speaker amplifier eliminates external LC filter components, reducing BOM cost and PCB area
- Integrated OCL headphone amplifier with 14 dB gain delivers high-quality stereo output for mobile devices
- Built-in 3D sound enhancement provides immersive audio experience without external DSP
- Headphone sense detection enables automatic speaker/headphone switching for seamless user experience
- 28-pin QFN package (5mm x 5mm) offers compact form factor ideal for space-constrained portable designs
Applications
The LM49270SQ/NOPB is designed for portable consumer electronics requiring high-quality audio output, including smartphones, tablets, and handheld media players. Its integrated Class-D amplifier and headphone amplifier make it ideal for devices that need both speaker and headphone drive capability from a single IC. The 3D enhancement and headphone sense features further suit it for premium audio subsystem designs in wearables and portable gaming devices.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Consumer IC Type | CLASS D AUDIO AMPLIFIER |
| Gain | 14dB |
| JESD-30 Code | S-PQCC-N28 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Output Power-Nom | 0.87W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC28,.2SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 7.6mA |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output power and gain of the LM49270SQ/NOPB?
The LM49270SQ/NOPB delivers a nominal output power of 0.87 W and a maximum of 2.2 W from its Class-D speaker amplifier stage, with a fixed gain of 14 dB. The integrated OCL headphone amplifier provides independent volume control, making it suitable for portable audio applications.
What package does the LM49270SQ/NOPB use and what are its dimensions?
The LM49270SQ/NOPB is housed in a 28-pin Quad Flat No-Lead (QFN) package with a 5mm x 5mm body, as indicated by the JESD-30 code S-PQCC-N28. This compact, lead-free (Pb-free) package is well-suited for space-constrained portable and mobile device designs.
What are the typical applications for the LM49270SQ/NOPB?
The LM49270SQ/NOPB targets portable consumer audio applications such as smartphones, tablets, handheld gaming consoles, and portable media players. Its filterless Class-D output, built-in 3D audio enhancement, and headphone sense detection make it a highly integrated solution for mobile audio subsystems requiring both speaker and headphone outputs.
Is the LM49270SQ/NOPB RoHS compliant and what is its end-of-life status?
Yes, the LM49270SQ/NOPB is fully Pb-free and RoHS compliant, as confirmed by the Pbfree Code 'Yes' and JESD-609 Code e3. The component has a YTEOL (Years to End of Life) rating of 15 years, indicating long-term availability for production designs.
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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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| 500+ | $3.1600 | $1580.00 |
| 1000+ | $2.9800 | $2980.00 |
| 10000+ | $2.8100 | $28100.00 |
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