LM4673SD Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
LM4673SD is a Class D mono audio amplifier IC delivering 2.65W output power with 20kHz bandwidth and 10% THD in a compact LLP-8 package. From $1.55, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM4673SD Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5540(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2.65W Class D mono audio amplifier with up to 10% THD at full output
- Wide 20kHz bandwidth suitable for full-range audio applications
- Compact LLP-8 (S-PDSO-N8) package ideal for space-constrained designs
- Single-channel operation simplifies PCB layout and reduces BOM cost
- Pb-free plastic/epoxy construction for RoHS-compliant designs
Applications
The LM4673SD is well-suited for portable consumer electronics such as smartphones, tablets, and Bluetooth speakers where compact, efficient audio amplification is required. Its Class D architecture minimizes power dissipation, making it ideal for battery-powered devices. It is also used in handheld gaming consoles, docking stations, and other low-power multimedia devices demanding high-quality mono audio output.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Bandwidth-Nom | 20kHz |
| Consumer IC Type | CLASS D AUDIO AMPLIFIER |
| Harmonic Distortion | 10% |
| JESD-30 Code | S-PDSO-N8 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Output Power-Nom | 2.65W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.11,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Qualification Status | Not Qualified |
| Supply Current-Max | 3.75mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.4V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| 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 of the LM4673SD?
The LM4673SD delivers a nominal output power of 2.65W into a typical load, with a 20kHz bandwidth and up to 10% total harmonic distortion (THD). This makes it suitable for compact audio applications requiring moderate power levels.
What package does the LM4673SD use?
The LM4673SD comes in an LLP-8 package, also identified by the JESD-30 code S-PDSO-N8 (Small Outline No-lead, 8-pin). This compact, leadless package minimizes PCB footprint and is well-suited for space-constrained consumer electronics designs.
What are the typical applications for the LM4673SD?
The LM4673SD is designed for Class D mono audio amplification in portable consumer devices such as smartphones, tablets, Bluetooth speakers, handheld gaming consoles, and multimedia docking stations. Its high efficiency and compact form factor make it ideal for battery-powered products.
Is the LM4673SD RoHS compliant?
The LM4673SD is noted with a Pb-free code of 'No', indicating it uses lead-free plastic/epoxy packaging materials. Always verify the specific part marking and datasheet for the latest RoHS compliance status before use in regulated applications.
Where can I buy the LM4673SD and what is the price?
The LM4673SD from Texas Instruments is available through global electronic component distributors. Pricing starts from approximately $1.55 per unit, with worldwide shipping options available for both sample quantities and bulk orders.
Related Guides
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
Why Buy from FindMyChip
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.9425 | $1.94 |
| 4+ | $1.7871 | $7.15 |
| 15+ | $1.5540 | $23.31 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”