LM4673SD Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock

Name: LM4673SD
Brand: Texas Instruments
SKU: LM4673SD
Availability: InStock

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.

OBSOLETEIntegrated CircuitVerified May 2026

Package / Visual Reference

LM4673SDSmall Outline No-lead

Quick Facts

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

What are the key features of LM4673SD?

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

What is LM4673SD used for?

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.

What are the specifications of LM4673SD?

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

Where can I find the LM4673SD datasheet?

LM4673SD Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for LM4673SD?

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.

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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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AvailabilityIn Stock

Reference Price (USD)

From $1.5540

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$1.9425	$1.94
4+	$1.7871	$7.15
15+	$1.5540	$23.31

pcs

Unit price: $1.9425 · Total: $1.94

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”

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Procurement Manager, VoltEdge Energy, India

LM4673SD Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock

What are the key features of LM4673SD?

What is LM4673SD used for?

What are the specifications of LM4673SD?

Compliance & Regulatory

Where can I find the LM4673SD datasheet?

What are equivalent replacements for LM4673SD?

Frequently Asked Questions

What is the output power of the LM4673SD?

What package does the LM4673SD use?

What are the typical applications for the LM4673SD?

Is the LM4673SD RoHS compliant?

Where can I buy the LM4673SD and what is the price?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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