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IR4302M_13 Datasheet, PDF (1/17 Pages) International Rectifier – 2 channel integrated analog input Class D audio amplifier in a small 7 x 7 mm PQFN44 package
IR43x2
Features
 2 channel integrated analog input Class D audio
amplifier in a small 7 x 7 mm PQFN44 package
 No mechanical heatsink required
 High peak music power output
 Split or single power supply
 Differential or single-ended input
 Over-current, over-temperature and under
voltage protections with self-reset feature
 Start/stop click noise reduction
 Clip and Fault reporting outputs
 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
IR4302 Output power
(Typical, THD+N=10%)
IR4322 Output power
(Typical, THD+N=10%)
IR4312 Output power
(Typical, THD+N=10%)
*Residual noise
(AES-17, IHF-A, typical)
*THD+N
(1kHz, 1W, 4 Ω, typical)
* In typical application example
Package
Half-Bridge,
Full-Bridge
130 W/ 4 Ω
100 W/ 3 Ω
100 W/ 4 Ω
100 W/ 2 Ω
35 W/ 4 Ω
40 W/ 3 Ω
250 μVrms
0.02 %
Typical Connection
7x7mm PQFN44L
1 www.irf.com © 2013 International Rectifier
Apr 3, 2013