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IR4301 Datasheet, PDF (1/14 Pages) International Rectifier – Integrated analog input Class D audio amplifier in a small 5 x 6 mm PQFN package | |||
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IR4301, IR4311
Features
ï· Integrated analog input Class D audio amplifier
in a small 5 x 6 mm PQFN package
ï· High peak music power output
ï· No mechanical heatsink required
ï· Split or single power supply
ï· Differential or single-ended input
ï· Over-current, over-temperature and under
voltage protections with self-reset function
ï· Start and stop click noise reduction
ï· High noise immunity
ï· RoHS compliant
Typical Applications
ï· Home theatre systems
ï· Docking station audio systems
ï· PC audio systems
ï· Musical instruments
ï· Karaoke amplifiers
ï· Game consoles
ï· Powered speaker systems
ï· General purpose audio power amplifiers
Product Summary
Topology
*IR4301 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
35 W/ 4 Ω
45 W/ 3 Ω
250 μVrms
0.02 %
5x6mm PQFN22
Typical Connection
INPUT
CSH
VB
VAA
GND
IN+
IN-
COMP
CSD
VSS
VCC
COM
1 www.irf.com © 2012 International Rectifier
+B
VP
VS
Speaker
VN
VCC
-B
December 5, 2012
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