LM4665 Datasheet - Texas Instruments

LM4665, Filterless High Efficiency 1W Switching Audio Amplifier

LM4665 www.ti.com SNAS146E * FEBRUARY 2002 * REVISED MAY 2013 LM4665 Filterless High Efficiency 1W Switching Audio Amplifier Check.
The LM4665 is a fully integrated single-supply high efficiency switching audio amplifier.

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Datasheet Details

Part number:

LM4665

Manufacturer:

Texas Instruments ↗

File Size:

1.77 MB

Description:

Filterless High Efficiency 1W Switching Audio Amplifier

Features

* 1
* 2 No Output Filter Required for Inductive Transducers
* Selectable Gain of 6dB (2V/V) or 12dB (4V/V)
* Very Fast Turn On Time: 5ms (typ)
* User Selectable Shutdown High or Low Logic Level
* Minimum External Components
* "Click and Pop" Suppression C

Applications

* Mobile Phones
* PDAs
* Portable Electronic Devices KEY SPECIFICATIONS
* Efficiency at 100mW into 8Ω Transducer 75%(typ)
* Efficiency at 400mW into 8Ω Transducer 80%(typ)
* Total Quiescent Power Supply Current (3V) 3mA(typ)
* Total Shutdown Po

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LM4665 Filterless High Efficiency Switching Audio Amplifier Texas Instruments

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