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Texas Instruments LM49450SQ — Analog & Data Acquisition

LM49450SQ Audio Amplifier, 1.2W, 2 Channel – Active, Bulk

MPNLM49450SQ
End of Life

Texas Instruments LM49450SQ, audio amplifier, 1.2 W output, 2 channels, bulk package, active lifecycle.

$2.01Ref. price · indicative, final on quote
Texas Instruments LM49450SQ datasheet (PDF)
Series*
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

LM49450SQ specifications
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Product details

The LM49450SQ is a 2-channel audio amplifier from Texas Instruments delivering 1.2 W per channel. It is designed for portable and consumer audio applications where a moderate output stage drives small speakers or headphones — think battery-powered Bluetooth speakers, laptop audio, or portable gaming consoles.

No last-time-buy or end-of-life notice applies.

4 ohm speaker drive — what the rating means

The LM49450SQ is rated for 1.2 W per channel. Driving a 4 ohm speaker draws higher current per watt, which stresses the output stage and supply rail.

Frequently asked questions

Where can I buy LM49450SQ?

Buyers need immediate sourcing options to place an order.

What is the datasheet for LM49450SQ?

Design engineers require complete specifications to validate fit and performance.

What is the price of LM49450SQ?

Sourcing buyers compare costs to stay within budget while filling BOM lines.

Is LM49450SQ in stock?

Immediate availability affects production timelines and procurement decisions.

What is a direct replacement for LM49450SQ?

Maintenance techs and buyers need alternatives when the original is unavailable or EOL.

What is the pinout of LM49450SQ?

Engineers need to verify PCB layout compatibility and integration.