IR4311
IR4311 is Integrated analog input Class D audio amplifier manufactured by International Rectifier.
- Part of the IR4301 comparator family.
- Part of the IR4301 comparator family.
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
- Ro HS pliant
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 (1k Hz, 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
IN+ INP CSD VSS
5x6mm PQFN22
+B...
