IR4312

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 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 IR43x2 Page 1 4 5 7 8 11 12 14 15 16 17 17 2 www.i...