TPA3125D2N Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock

Name: TPA3125D2N
Brand: Texas Instruments
SKU: TPA3125D2N
Availability: InStock

The TPA3125D2N is a dual-channel Class-D audio amplifier from Texas Instruments delivering 36W nominal output power at 26 dB gain across a 22 kHz audio bandwidth, in a 20-pin DIP package. It drives two stereo speaker channels with high efficiency, reducing heat dissipation and eliminating bulky heatsinks. Ideal for powered speaker systems, home audio receivers, and multimedia applications requiring compact, high-power audio amplification.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

TPA3125D2NDual-In-Line Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Dual-In-Line Packages
Pin Count: 20
Lifecycle: ACTIVE
Datasheet: TPA3125D2N Datasheet PDF
Category: Integrated Circuit
Price: From $2.5200(MOQ 260)
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 TPA3125D2N?

Dual-channel stereo Class-D amplifier with 36W nominal output power per channel
26 dB voltage gain with 22 kHz full-range audio bandwidth for high-fidelity reproduction
High switching efficiency minimizes heat generation, reducing or eliminating heatsink requirements
20-pin DIP package (R-PDIP-T20) enabling easy through-hole assembly and prototyping
Pb-free and RoHS compliant (JESD-609 e4) for environmentally responsible designs
Two independent audio channels for stereo speaker drive from a single IC

What is TPA3125D2N used for?

The TPA3125D2N is widely used in powered desktop speakers, multimedia PC audio systems, home theater receivers, and portable PA systems where efficient stereo amplification with minimal external cooling is required. Its Class-D switching architecture and 36W output power make it ideal for cost-effective, high-efficiency audio designs in consumer and commercial audio equipment.

What are the specifications of TPA3125D2N?

Pbfree Code	Yes
YTEOL	15
Bandwidth-Nom	22kHz
Consumer IC Type	CLASS D AUDIO AMPLIFIER
Gain	26dB
JESD-30 Code	R-PDIP-T20
JESD-609 Code	e4
Number of Channels	2
Number of Functions	1
Output Power-Nom	36W
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	DIP20,.3
Package Shape	RECTANGULAR
Package Style	IN-LINE
Qualification Status	Not Qualified
Supply Current-Max	30mA
Supply Voltage-Max (Vsup)	26V
Supply Voltage-Min (Vsup)	10V
Surface Mount	NO
Technology	CMOS
Temperature Grade	INDUSTRIAL
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	THROUGH-HOLE
Terminal Pitch	2.54mm
Terminal Position	DUAL
Package	Dual-In-Line Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
ECCN	EAR99
HTS Code	8542.33.00.01
Country of Origin	Malaysia

Where can I find the TPA3125D2N datasheet?

TPA3125D2N Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for TPA3125D2N?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the output power and gain of the TPA3125D2N?

The TPA3125D2N delivers 36W nominal output power with a 26 dB gain across a 22 kHz audio bandwidth, providing robust stereo amplification suitable for powered speaker systems and multimedia audio applications.

Does the TPA3125D2N require a heatsink?

The TPA3125D2N uses a high-efficiency Class-D switching amplifier topology that significantly reduces power dissipation compared to linear amplifiers, often allowing operation without a heatsink depending on the output power level and ambient temperature.

What package is the TPA3125D2N available in?

The TPA3125D2N is available in a 20-pin dual in-line package (DIP-20, R-PDIP-T20), making it suitable for through-hole PCB assembly and easy prototyping in stereo audio amplifier applications.

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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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AvailabilityIn Stock

Reference Price (USD)

From $2.5200

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
260+	$3.6900	$959.40
500+	$2.8400	$1420.00
1000+	$2.6800	$2680.00
10000+	$2.5200	$25200.00

pcs

Unit price: $3.6900 · Total: $959.40

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

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

James Wright

Supply Chain Director, CircuitPro Ltd, UK

TPA3125D2N Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock

What are the key features of TPA3125D2N?

What is TPA3125D2N used for?

What are the specifications of TPA3125D2N?

Compliance & Regulatory

Where can I find the TPA3125D2N datasheet?

What are equivalent replacements for TPA3125D2N?

Frequently Asked Questions

What is the output power and gain of the TPA3125D2N?

Does the TPA3125D2N require a heatsink?

What package is the TPA3125D2N available in?

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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