IR43X2 Datasheet, PDF (1/17 Pages) International Rectifier – channel integrated analog input Class D audio amplifier in a small 7 x 7 mm PQFN44 package

IR43x2
Features
x 2 channel integrated analog input Class D audio
amplifier in a small 7 x 7 mm PQFN44 package
x No mechanical heatsink required
x High peak music power output
x Split or single power supply
x Differential or single-ended input
x Over-current, over-temperature and under
voltage protections with self-reset feature
x Start/stop click noise reduction
x Clip and Fault reporting outputs
x High noise immunity
x RoHS compliant
Typical Applications
x Home theatre systems
x Docking station audio systems
x PC audio systems
x Musical instruments
x Karaoke amplifiers
x Game consoles
x Powered speaker systems
x 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 ȍ, typical)
* In typical application example
Package
Half-Bridge,
Full-Bridge
130 W/ 4 ȍ
100 W/ 3 ȍ
35 W/ 4 ȍ
40 W/ 3 ȍ
80 W/ 4 ȍ
50 W/ 2 ȍ
250 ȝVrms
0.02 %
Typical Connection
7x7mm PQFN44L
1 www.irf.com © 2012 International Rectifier
January 2, 2013