IR4301

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 IN+ INCOMP CSD VSS CSH VCC VB COM 5x6mm PQFN22 +B VP VS Speaker VN VCC -B 1 www.irf.com © 2013 International Rectifier April 22, 2013 Table of Contents Typical Connection Diagram Qualification Information Absolute Maximum Ratings Recommended Operating Conditions Electrical Characteristics Functional Block Diagram Input/Output Pin Equivalent Circuit Diagram Lead Definitions Lead Assignments Package Details Part Marking Information Ordering Information IR43x...