LM4733 - National Semiconductor

LM4733 3-Channel 30W Audio Power Amplifier

The LM4733 is a three channel audio amplifier capable of typically delivering 30W per channel of continuous average output power into a 4Ω or 8Ω load with less than 10% THD+N from 20Hz - 20kHz. The LM4733 has short circuit protection and a thermal shut down feature that is activated when the die temperature exceeds 150˚C. The LM4733 also has an under voltage.

Features

n Low external component count n Quiet fade-in/out mute mode n Wide supply range: 20V - 64V Applications n n n n Audio Audio Audio Audio amplifier amplifier amplifier amplifier for for for for component stereo compact stereo self-powered speakers high-end and HD TVs Typical Application 200794B5 FIGURE 1. Typical Audio Amplifier Application Circuit © 2003 National Semiconductor Corporation DS200794 www.national.com LM4733 Connection Diagrams Plastic Package (Note 13) 20079401 Top View Order Number LM4733TA See NS Package Number TA27A TO-220 Top Marking 20079402 Top View U - Wafer F.