IR4301_15 Datasheet, PDF (1/15 Pages) International Rectifier – High peak music power output

IR43x1
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
*IR4301 Output power
(Typical, THD+N=10%)
*IR4321 Output power
(Typical, THD+N=10%)
*IR4311 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
160 W/ 4 Ω
120 W/ 3 Ω
90 W/ 4 Ω
135 W/ 2 Ω
35 W/ 4 Ω
45 W/ 3 Ω
250 μVrms
0.02 %
Typical Connection
INPUT
VAA
GND
CSH
IN+
IN-
COMP
CSD
VSS
VCC
VB
COM
5x6mm PQFN22
+B
VP
VS
Speaker
VN
VCC
-B
1 www.irf.com © 2013 International Rectifier
April 22, 2013