IR4301 datasheet(1/14 Pages) IRF

Part #	IR4301

Description	Integrated analog input Class D audio amplifier in a small 5 x 6 mm PQFN package

PDF	14 Pages

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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1 / 14 page

IR4301, IR4311

1

www.irf.com

December 5, 2012

Features



Integrated analog input Class D audio amplifier

in a small 5 x 6 mm PQFN package



High peak music power output



No mechanical heatsink required



Split or single power supply



Differential or single-ended input



Over-current, over-temperature and under

voltage protections with self-reset function



Start and stop click noise reduction



High noise immunity



RoHS compliant

Typical Applications



Home theatre systems



Docking station audio systems



PC audio systems



Musical instruments



Karaoke amplifiers



Game consoles



Powered speaker systems



General purpose audio power amplifiers

Product Summary

Topology

Half-Bridge,

Full-Bridge

*IR4301 Output power

(Typical, THD+N=10%)

160 W/ 4

Ω

120 W/ 3

Ω

*IR4311 Output power

(Typical, THD+N=10%)

35 W/ 4

Ω

45 W/ 3

Ω

*Residual noise

(AES-17, IHF-A, typical)

250 μVrms

*THD+N

(1kHz, 1W, 4 Ω, typical)

0.02 %

* In typical application example

Package

5x6mm PQFN22

Typical Connection

-B

+B

Speaker

VB

VAA

VSS

IN+

IN-

COMP

CSD

COM

VN

VS

VP

VCC

CSH

GND

VCC

INPUT

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