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LM4991 Datasheet - National Semiconductor

LM4991_NationalSemiconductor.pdf

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Datasheet Details

Part number:

LM4991

Manufacturer:

National Semiconductor

File Size:

543.20 KB

Description:

3w audio power amplifier.

LM4991, 3W Audio Power Amplifier

The LM4991 is a mono bridged audio power amplifier capable of delivering 3W of continuous average power into a 3Ω load with less than 10% THD when powered by a 5V power supply (Note 1).

To conserve power in portable applications, the LM4991’s micropower shutdown mode (ISD = 0.1µA, typ) is activated

LM4991 Features

* include thermal shutdown protection, unity-gain stability, and external gain set. Note 1: An LM4991LD that has been properly mounted to a circuit board will deliver 3W into 3Ω (at 10% THD). The other package options for the LM4991 will deliver 1.5W into 8Ω (at 10% THD). See the Application Informati

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