PowIRaudio0 pages
IR43x1
Features
Product Summary
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
Half-Bridge,
Full-Bridge
Topology
*IR4301 Output power
(Typical, THD+N=10%)
160 W/ 4 Ω
*IR4321 Output power
(Typical, THD+N=10%)
90 W/ 4 Ω
120 W/ 3 Ω
135 W/ 2 Ω
35 W/ 4 Ω
*IR4311 Output power
(Typical, THD+N=10%)
45 W/ 3 Ω
*Residual noise
(AES-17, IHF-A, typical)
*THD+N
(1kHz, 1W, 4 Ω, typical)
* In typical application example
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
250 μVrms
0.02 %
Package
5x6mm PQFN22
Typical Connection
+B
CSH
VB
VP
VAA
GND
IN+
IN-
INPUT
VS
COMP
Speaker
CSD
VSS
VCC
COM
VN
VCC
1
www.irf.com
© 2013 International Rectifier
-B
April 22, 2013
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