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Texas Instruments LM49251TLX/NOPB — Memory (DRAM / SRAM / Flash / EEPROM)

LM49251TLX/NOPB Boomer Class D/G Audio Subsystem, 30-DSBGA

MPNLM49251TLX/NOPB
End of Life

Texas Instruments Boomer®, PowerWise® LM49251TLX/NOPB stereo audio subsystem, Class D + Class G output, 2.7V–5.5V supply, 30-WFBGA DSBGA package, -40°C to 85°C.

$1.39Ref. price · indicative, final on quote
Texas Instruments LM49251TLX/NOPB datasheet (PDF)
Packaging30-WFBGA, DSBGA
SeriesBoomer®, PowerWise®
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

LM49251TLX/NOPB specifications
ParameterValue
TypeClass D, Class G
SeriesBoomer®, PowerWise®
Output type2-Channel (Stereo) with Stereo Headphones
MountingSurface Mount
Supply voltage2.7V ~ 5.5V
Max output power x channels @ load1.37W x 2 @ 8Ohm; 20mW x 2 @ 32Ohm
Operating temperature-40°C ~ 85°C (TA)
PackageBulk
FeaturesDepop, I²C, Shutdown, Volume Control
Case30-WFBGA, DSBGA

Product details

Audio subsystem in a 30-ball BGA

The Texas Instruments LM49251TLX/NOPB is a stereo audio subsystem that combines a Class D speaker amplifier with a Class G headphone amplifier in a single 30-DSBGA package. It delivers 1.37 W per channel into 8 Ω speakers and 20 mW per channel into 32 Ω headphones, covering both loudspeaker and headphone drive from one IC. The I²C interface handles volume control, shutdown, and depop sequencing — no separate codec or analog pot needed for gain staging.

Supply and temperature range

Class D for speakers, Class G for headphones

The Class D speaker path delivers 1.37 W per channel into 8 Ω. The Class G headphone amplifier delivers 20 mW per channel into 32 Ω.

Frequently asked questions

Where can I buy LM49251TLX/NOPB?

This part is sourced and quoted to order through independent distribution. Submit an RFQ for current pricing and availability confirmation.

How to configure I2C volume control on LM49251TLX/NOPB?

The I²C interface handles volume, shutdown, and depop. The datasheet (available on request) details the register map and startup sequence to avoid audible clicks.