LM49151TLX/NOPB AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM49151TLX/NOPB product

LM49151TLX/NOPB

Amplifiers

Class D audio amplifierI2C audio controlheadphone amplifierspeaker protectionDSBGA

LM49151TLX/NOPB is an integrated portable-audio IC combining a mono Class-D speaker amplifier with stereo ground-referenced headphone drivers and I2C control.

Best for

  • Portable products needing speaker, headphone, and earpiece audio functions in one IC
  • Applications requiring I2C-controlled audio routing and volume
  • Designs needing programmable speaker voltage limiting

Avoid if

  • A package larger than DSBGA is required for assembly constraints
  • The design cannot provide I2C configuration
  • An audio output stage without charge-pump support is required

Check before use

  • Confirm loudspeaker impedance and required output power
  • Confirm the selected mode-control register routing
  • Use low-ESR ceramic capacitors for the charge pump
  • Validate ALC attack and release settings with the target speaker

Key specifications

Speaker power
1.25 W typ at 5 V into 8 Ω
Headphone power
43 mW typ per channel at 5 V into 32 Ω
Supply range
2.7 V to 5.5 V
Package
20-bump DSBGA (YZR)

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-1-260C-UNLIM
ECCN
-
HTSUS
-

Application

Portable audio devicesMobile phones

CAD Models

Download ECAD models for LM49151TLX/NOPB: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint
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3D Model
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KiCad Library
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Where to Buy

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Alternative components

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Design and risk insights

Questions & answers

LM49151TLX/NOPB is a Texas Instruments audio subsystem IC in a 20-bump DSBGA package. It integrates a mono E2S Class-D loudspeaker amplifier, stereo ground-referenced headphone amplifiers, an earpiece bypass path, mixer functions, and I2C control.