LM4671 - Filterless High Efficiency 2.5W Switching Audio Amplifier

Product Overview

National Semiconductor

Part number	LM4671
Manufacturer	National Semiconductor
File Size	620.01 KB
Description	Filterless High Efficiency 2.5W Switching Audio Amplifier
Datasheet	LM4671 Datasheet
Additional preview pages of the LM4671 datasheet.

The LM4671 is a single supply, high efficiency 2.5W switching audio amplifier.

a low-power consumption shutdown mode. Shutdown may be enabled by driving the Shutdown pin to a logic low (GND). The gain of the LM4671 is externally configurable which allows independent gain control from multiple sources by summing the signals. Key Specifications.
Efficiency @ 3.6V, 100mW into 8Ω speaker 80% (typ) 88% (typ) 86% (typ) 2.8mA (typ) 0.01µA (typ) 2.4V to 5.5V.
Efficiency @ 3.6V, 400mW into 8Ω speaker speaker.
Efficiency @ 5V, 1W into 8Ω.
Quiescent curren.

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Published: Apr 21, 2010 |