LM4938MH Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Name: LM4938MH
Brand: Texas Instruments
SKU: LM4938MH
Availability: InStock

LM4938MH is a stereo 2W Class AB audio power amplifier IC with integrated volume control, featuring 73 dB channel separation and 2-channel output in a 28-HTSSOP package. Available in stock worldwide.

OBSOLETEIntegrated CircuitVerified May 2026

Package / Visual Reference

LM4938MHSmall Outline Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Small Outline Packages
Pin Count: 28
Lifecycle: OBSOLETE
Datasheet: LM4938MH Datasheet PDF
Category: Integrated Circuit
Temp Range: -20.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of LM4938MH?

Stereo 2W Class AB audio power amplifier with integrated volume control circuit
73 dB channel separation for high-fidelity stereo audio performance
Dual-channel output with dedicated stereo headphone support
Compact 28-HTSSOP package for space-constrained audio designs
Single-supply operation suitable for portable consumer electronics

What is LM4938MH used for?

The LM4938MH is widely used in portable consumer electronics such as smartphones, tablets, and MP3 players where compact, efficient stereo audio amplification is required. Its integrated volume control and headphone output make it ideal for personal audio devices and multimedia docking stations. It is also suitable for desktop PC speakers and battery-powered audio systems demanding low distortion and good channel separation.

What are the specifications of LM4938MH?

Pbfree Code	No
YTEOL	0
Channel Separation	73dB
Consumer IC Type	VOLUME CONTROL CIRCUIT
JESD-30 Code	R-PDSO-G28
JESD-609 Code	e0
Number of Channels	2
Number of Functions	1
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	TSSOP28,.25
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Supply Current-Max	30mA
Supply Voltage-Max (Vsup)	5.5V
Supply Voltage-Min (Vsup)	2.7V
Surface Mount	YES
Temperature Grade	OTHER
Terminal Finish	TIN LEAD
Terminal Form	GULL WING
Terminal Pitch	0.65mm
Terminal Position	DUAL
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.60

Where can I find the LM4938MH datasheet?

LM4938MH Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for LM4938MH?

Compatible alternatives and drop-in replacements for LM4938MH:

LM4938MHX/NOPBTexas Instruments

Volume Control Circuit, 2 Channel(s), PDSO28

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the output power of the LM4938MH?

The LM4938MH delivers up to 2W per channel in Class AB operation, providing sufficient power for compact stereo speaker systems and headphone-driven applications in portable consumer electronics.

What package does the LM4938MH use?

The LM4938MH is housed in a 28-pin HTSSOP (Heat-sink Thin Shrink Small Outline Package) with a 0.25 mm pitch, making it well-suited for compact PCB layouts in space-constrained audio device designs.

What is the channel separation specification of the LM4938MH?

The LM4938MH achieves 73 dB of channel separation between its two stereo channels, ensuring minimal crosstalk and delivering clear, high-fidelity audio reproduction for both speaker and headphone outputs.

What are the typical applications for the LM4938MH?

The LM4938MH is commonly used in portable audio players, smartphones, multimedia docking stations, desktop PC speakers, and battery-powered consumer devices that require compact stereo amplification with integrated volume control.

Does the LM4938MH support headphone output?

Yes, the LM4938MH includes dedicated stereo headphone support alongside its speaker amplifier outputs, making it versatile for products that need to drive both speakers and headphones from a single audio IC.

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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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LM4938MH Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

What are the key features of LM4938MH?

What is LM4938MH used for?

What are the specifications of LM4938MH?

Compliance & Regulatory

Where can I find the LM4938MH datasheet?

What are equivalent replacements for LM4938MH?

Frequently Asked Questions

What is the output power of the LM4938MH?

What package does the LM4938MH use?

What is the channel separation specification of the LM4938MH?

What are the typical applications for the LM4938MH?

Does the LM4938MH support headphone output?

Related Guides

STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply

STM32H725IGT3 High-Performance MCU Design Guide

150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing

STEF05SGR 5 V eFuse Protection Design Guide

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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