LM4670 Filterless High Efficiency 3W Switching Audio Amplifier

Texas Instruments

Description

LM4670 www.ti.com SNAS240C * DECEMBER 2004 * REVISED MAY 2013 LM4670 Boomer™ Audio Power Amplifier Series Filterless High Efficienc.
The LM4670 is a fully integrated single-supply high efficiency switching audio amplifier.

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LM4670 Datasheet Preview — Preview of LM4670 PDF

Datasheet Specifications

Part number: LM4670
Manufacturer: Texas Instruments ↗
File Size: 1.92 MB
Datasheet: LM4670-etcTI.pdf
Description: Filterless High Efficiency 3W Switching Audio Amplifier

Features

* 1
* 23 No Output Filter Required for Inductive Loads
* Externally Configurable Gain
* Very Fast Turn on Time: 1.35ms (Typ)
* Minimum External Components
* "Click and Pop" Suppression Circuitry
* Micro-Power Shutdown Mode
* Short Circuit Protecti

Applications

* Mobile Phones
* PDAs
* Portable Electronic Devices KEY SPECIFICATIONS
* Efficiency at 3.6V, 100mW into 8Ω Speaker, 77% (Typ)
* Efficiency at 3.6V, 600mW into 8Ω Speaker, 88% (Typ)
* Efficiency at 5V, 1W into 8Ω Speaker, 87% (Typ)
* Quiescent

LM4670 Distributors

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LM4670 Filterless High Efficiency Switching Audio Amplifier Texas Instruments

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