PDF IR4302 Data sheet ( Hoja de datos )

Número de pieza	IR4302
Descripción	2-Channel Integrated Analog Input Class D Audio Amplifier
Fabricantes	International Rectifier
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No Preview Available ! IR43x2 Features  2 channel integrated analog input Class D audio amplifier in a small 7 x 7 mm PQFN44 package  No mechanical heatsink required  High peak music power output  Split or single power supply  Differential or single-ended input  Over-current, over-temperature and under voltage protections with self-reset feature  Start/stop click noise reduction  Clip and Fault reporting outputs  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 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 Ω, typical) * In typical application example Package Half-Bridge, Full-Bridge 130 W/ 4 Ω 100 W/ 3 Ω 100 W/ 4 Ω 100 W/ 2 Ω 35 W/ 4 Ω 40 W/ 3 Ω 250 μVrms 0.02 % Typical Connection 7x7mm PQFN44L 1 www.irf.com © 2013 International Rectifier Apr 3, 2013 1 page IR43x2 Absolute Maximum Ratings Absolute Maximum Ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to COM=VN1=VN2; all currents are defined positive into any lead. The Thermal Resistance and Power Dissipation ratings are measured under board mounted and still air conditions. Symbol VPn VBn VSn VCSHn VCC VAA VSS VIN+n IINn VCSD VCOMPn VCLIP ICLIP VFAULT IFAULT IAAZ ISSZ ICCZ IBSZn dVSn/dt dVSS/dt Id@ 25ºC Id@ 100ºC IDM Definition Positive power supply rail voltage, n=1-2 High side floating supply voltage High side floating supply voltage††, n=1-2 CSH pin input voltage, n=1-2 Low side supply voltage†† Floating input positive supply voltage†† Floating input negative supply voltage†† IR4302 IR4322 IR4312 IR4302 IR4322 IR4312 IR4302 IR4322 IR4312 Floating input supply ground voltage , n=1-2 Input current between IN- and IN+ pins†, n=1-2 CSD pin input voltage COMP pin input voltage, n=1-2 CLIP pin input voltage CLIP pin sinking current FAULT pin input voltage FAULT pin sinking current Floating input supply zener clamp current†† Floating input negative supply zener clamp current†† Low side supply zener clamp current††† Floating supply zener clamp current†††, n=1-2 Allowable Vs voltage slew rate, n=1-2 Allowable Vss voltage slew rate††† Continuous output current, from VPn to VSn, VSn to VNn, VCC=10V, VBn-VSn=10V IR4302 IR4322 IR4312 Continuous output current, from VPn to VSn, VSn to VNn, VCC=10V, VBn-VSn=10V IR4302 IR4322 IR4312 Pulsed output current, from VPn to VSn, VSn to VNn, VCC=10V, VBn-VSn=10V††††† IR4302 IR4322 IR4312 Min - - - -0.3 -0.3 -0.3 VBn -15 VSn -0.3 -0.3 -0.3 -0.3 -0.3 -1 (See ISSZ) VSS -0.3 - VSS -0.3 VSS -0.3 GND -0.3 - GND -0.3 - - - - - - - - - - Max 80 60 40 95 75 55 VBn +0.3 VBn +0.3 15 100 70 50 GND +0.3 VAA +0.3 ±3 VAA +0.3 VAA +0.3 VAA +0.3 5 VAA +0.3 5 20 20 20 20 50 50 6.5 7.0 3.6 5.4 5.8 2.9 26 28 15 Units V mA V mA V mA V/ns V/ms A 5 www.irf.com © 2013 International Rectifier Apr 3, 2013 5 Page Functional Bock Diagram IR43x2 11 www.irf.com © 2013 International Rectifier Apr 3, 2013 11 Page

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