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See Technical Specifications

LM4991LD +BOM

Superior sound quality

Manufacturer:

Texas Instruments
Mfr.Part #:

LM4991LD
Datasheet:

LM4991LD Datasheet (PDF)
Series:

Boomer®
Type:

Class AB
Output Type:

1-Channel (Mono)
Max Output Power X Channels @ Load:

3W x 1 @ 3Ohm
EDA/CAD Models:

Request Free CAD Models for LM4991LD

LM4991LD General Description

In conclusion, the LM4991LD is a powerhouse of an audio power amplifier, equipped with features that prioritize both performance and protection. Its efficiency, clear audio output, and safety measures make it an ideal choice for any portable electronic device, ensuring that users can enjoy top-notch audio quality without any compromises

Key Features

Features for the LM4991

Available in Space-Saving WSON and SOIC Packages
Ultra Low Current Shutdown Mode
Can Drive Capacitive Loads up to 500pF
Improved Click and Pop Circuitry Reduces Noises During Turn-On and Turn-Off Transitions
2.2 - 5.5V Operation
No Output Coupling Capacitors, Snubber Networks, Bootstrap Capacitors or Gain-Setting Resistors Required
Unity-Gain Stable

Key Specifications

Improved PSRR at 217kHz and 1kHz: 64 dB (typ)
P at V_DD = 5.0V, 10% THD, 1kHz
- LM4991LD (only), 3Ω, 4Ω: 3W (typ), 2.5 W (typ)
- All packages, 8Ω load: 1.5 W (typ)
Shutdown current: 0.1µA (typ)

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Specifications

Series	Boomer®	Type	Class AB
Output Type	1-Channel (Mono)	Max Output Power x Channels @ Load	3W x 1 @ 3Ohm
Voltage - Supply	2.2V ~ 5.5V	Features	Depop, Shutdown, Thermal Protection
Mounting Type	Surface Mount	Operating Temperature	-40°C ~ 85°C (TA)
Base Product Number	LM4991